Publications


Relations (with parts and wholes) - Ontology engineering (and in particular subject domains) - Ontology-driven conceptual data modelling - Natural language - Education - Granularity - PhD Thesis - Varia

sort by type of publication or by year


Relations, relationships

see also the subsection on parts and wholes

  1. Keet, C.M. An analysis of positionalism's roles in use. 13th International Conference on Formal Ontology in Information Systems 2023 (FOIS'23). IOS Press, FAIA vol. 377, 77-91. 18-20 July Sherbrooke, Canada / Sept online.

  2. Keet, C.M., Chirema, T. A model for verbalising relations with roles in multiple languages. 20th International Conference on Knowledge Engineering and Knowledge Management (EKAW'16). Blomqvist, E., Ciancarini, P., Poggi, F., Vitali, F. (Eds.). Springer LNAI vol. 10024, 384-399. 19-23 November 2016, Bologna, Italy. -- tool and examples

  3. Keet, C.M. Preventing, Detecting, and Revising Flaws in Object Property Expressions. Journal on Data Semantics, 2014, 3(3): 189-206. DOI: 10.1007/s13740-013-0028-y

  4. Keet, C.M., Khan, M.T., Ghidini, C. Ontology Authoring with FORZA. 22nd ACM International Conference on Information and Knowledge Management (CIKM'13). ACM proceedings, pp569-578. Oct. 27 - Nov. 1, 2013, San Francisco, USA.

  5. Keet, C.M. Detecting and Revising Flaws in OWL Object Property Expressions. 18th International Conference on Knowledge Engineering and Knowledge Management (EKAW'12), A. ten Teije et al. (Eds.). Oct 8-12, Galway, Ireland. Springer, Lecture Notes in Artificial Intelligence LNAI 7603, 252-266. BEST RESEARCH PAPER AWARD

  6. Keet, C.M. and Artale, A. A basic characterization of relation migration. International Workshop on Fact-Oriented Modeling (ORM'10), Crete, Greece, October 27-29, 2010. Meersman, R. et al. (Eds.), OTM Workshops, Springer, Lecture Notes in Computer Science LNCS 6428, 484-493.

  7. Keet, C.M. Positionalism of relations and its consequences for fact-oriented modelling. International Workshop on Fact-Oriented Modeling (ORM'09), Vilamoura, Portugal, November 4-6, 2009. Meersman, R., Herrero, P., and Dillon T. (Eds.), OTM Workshops, Springer, LNCS 5872, 735-744.

  8. Keet, C.M. Constraints for representing transforming entities in bio-ontologies. 11th Congress of the Italian Association for Artificial Intelligence (AI*IA'09), R. Serra and R. Cucchiara (Eds.), Reggio Emilia, Italy, Dec. 9-12, 2009. Springer-Verlag Lecture Notes in Artificial Intelligence LNAI 5883, 11-20.

  9. Keet, C.M. Granulation with indistinguishability, equivalence or similarity. IEEE International Conference on Granular Computing (GrC'07), San Francisco, November 2-4, 2007. IEEE Computer Society (ISBN 0-7695-3032-X), 11-16. see chapter 3 of my PhD thesis for an extended version

Parts and wholes

  1. Keet, C.M. The computer program as a functional whole. 11th International Conference on Formal Ontology in Information Systems 2020 (FOIS'20). Brodaric, B and Neuhaus, F. (Eds.). IOS Press, FAIA vol. 330, 216-230. September, 2020, Bolzano, Italy.

  2. Keet, C.M., Khumalo, L. Parthood and Part--Whole Relations in Zulu Language and Culture. Applied Ontology, 2020, 15(3): 361-384.

  3. Keet, C.M., Khumalo, L. On the ontology of part-whole relations in Zulu language and culture. 10th International Conference on Formal Ontology in Information Systems 2018 (FOIS'18). IOS Press, FAIA vol. 306, 225-238. 17-21 September, 2018, Cape Town, South Africa.

  4. Keet, C.M., Kutz, O. Orchestrating a Network of Mereo(topo)logical Theories: An Abridged Report. International Joint Conference on Artificial Intelligence (IJCAI'18). ACM, 5289-5293.

  5. Keet, C.M., Kutz, O. Orchestrating a Network of Mereo(topo)logical Theories. proceedings of the Ninth International Conference on Knowledge Capture (K-CAP'17), Austin, Texas, USA, December 4-6, 2017. ACM, 11:1-11:8. BEST PAPER AWARD

  6. Keet, C.M. A note on the compatibility of part-whole relations with foundational ontologies. FOUST-II: 2nd Workshop on Foundational Ontology, Joint Ontology Workshops 2017, 21-23 September 2017, Bolzano, Italy. CEUR-WS Vol. 2050. 12p.

  7. Keet, C.M. Representing and aligning similar relations: parts and wholes in isiZulu vs English. Language, Data, and Knowledge 2017 (LDK'17). In: Gracia J., Bond F., McCrae J., Buitelaar P., Chiarcos C., Hellmann S. (eds). Springer LNAI vol 10318, 58-73. 19-20 June, 2017, Galway, Ireland.

  8. Keet, C.M. Relating some stuff to other stuff. 20th International Conference on Knowledge Engineering and Knowledge Management (EKAW'16). Blomqvist, E., Ciancarini, P., Poggi, F., Vitali, F. (Eds.). Springer LNAI vol. 10024, 368-383. 19-23 November 2016, Bologna, Italy -- Stuff ontology page with supplementary material

  9. Keet, C.M., Khumalo, L. On the verbalization patterns of part-whole relations in isiZulu. 9th International Natural Language Generation conference (INLG'16), 5-8 September, 2016, Edinburgh, UK. ACL, 174-183.

  10. Keet, C.M., Fernández-Reyes, F.C., Morales-González, A. Representing mereotopological relations in OWL ontologies with OntoPartS. 9th Extended Semantic Web Conference (ESWC'12), Simperl et al. (eds.), 27-31 May 2012, Heraklion, Crete, Greece. Springer, Lecture Notes in Computer Science LNCS 7295, 240-254.

  11. Morales-González, A., Fernández-Reyes, F.C., Keet, C.M. OntoPartS: a tool to select part-whole relations in OWL ontologies. ESWC 2012 Satellite Events. E. Simperl et al. (Eds.). Springer, LNCS vol. 7540, 1-6. 29-31 May 2012, Heraklion, Crete, Greece. Demo with paper.

  12. Artale, A. and Keet, C.M. Essential, mandatory, and shared parts in conceptual data models. In: Innovations in Information Systems modeling: Methods and Best Practices. IGI Global, Advances in Database Research Series, Halpin, T.A., Proper, H.A., Krogstie, J. (Eds.). 2008. pp17-52. preprint

  13. Artale, A., Guarino, N., and Keet, C.M. Formalising temporal constraints on part-whole relations. 11th International Conference on Principles of Knowledge Representation and Reasoning (KR'08). Gerhard Brewka, Jerome Lang (Eds.) AAAI Press. Sydney, Australia, September 16-19, 2008.

  14. Artale, A. and Keet, C.M. Essential and mandatory part-whole relations in conceptual data models. 21st International Workshop on Description Logics (DL'08). 13-16 May 2008, Dresden, Germany. CEUR-WS Vol-353.

  15. Keet, C.M. and Artale, A. Representing and Reasoning over a Taxonomy of Part-Whole Relations. Applied Ontology -- Special Issue on Ontological Foundations for Conceptual Modelling, IOS Press, 2008, 3(1-2): 91-110.

  16. Keet, C.M. Part-whole relations in Object-Role Models. 2nd International Workshop on Object-Role Modelling (ORM'06), Montpellier, France, Nov 2-3, 2006. In: OTM Workshops 2005. Meersman, R., Tari, Z., Herrero., P. et al. (Eds.), Lecture Notes in Computer Science LNCS 4278. Berlin: Springer-Verlag, 2006. pp1116-1127.

  17. Keet, C.M. Introduction to part-whole relations: mereology, conceptual modelling and mathematical aspects. KRDB Research Centre Technical Report KRDB06-3, Faculty of Computer Science, Free University of Bozen-Bolzano, Italy. October 2, 2006. 32p. pdf


Ontology engineering

See also: with more or less relevance for the biosciences and other subject domains
  1. Keet, C.M., Khan, Z.C. On the Roles of Competency Questions in Ontology Engineering. 24th International Conference on Knowledge Engineering and Knowledge Management (EKAW'24). Springer LNAI vol. 15370, pp123–132. Amsterdam, Netherlands, November 26-28, 2024.

  2. Dawson, W.L., Keet, C.M. Ontology Pattern Substitution: Toward their use for domain ontologies. FOIS'24 Demonstrations Track. Enschede, The Netherlands, 15-19 July 2024. CEUR-WS (in print)

  3. Kaffee, L.-A., Biswas, R., Keet, C.M., Vakaj, E. K., de Melo, G. Multilingual Knowledge Graphs and Low-Resource Languages: A Review. Transactions on Graph Data and Knowledge, Vol. 1, Issue 1, 10:1-10:19.

  4. Keet, C.M. The What and How of Modelling Information and Knowledge: From Mind Maps to Ontologies. Springer, 2023. ISBN-10: 3031396944; ISBN-13: 978-3031396946.

  5. Bernabé, C.H., Keet, C.M., Khan, Z.C., Mahlaza, Z. A method to improve alignments between domain and foundational ontologies. 13th International Conference on Formal Ontology in Information Systems 2023 (FOIS'23). IOS Press, FAIA vol. 377, 125-139. 18-20 July Sherbrooke, Canada. DISTINGUISHED PAPER AWARD

  6. Keet, C.M. An analysis of positionalism's roles in use. 13th International Conference on Formal Ontology in Information Systems 2023 (FOIS'23). IOS Press, FAIA vol. 377, 77-91. 18-20 July Sherbrooke, Canada / Sept online.

  7. Antia, M.-J., Keet, C.M. Automating the Generation of Competency Questions for Ontologies with AgOCQs. 5th Iberoamerican conference on Knowledge Graphs and Semantic Web (KGSWC'23). F. Ortiz-Rodriguez et al. (Eds.). Springer LNCS vol 14382, 1-15. 13-15 Nov 2023, Zaragoza, Spain.

  8. Keet, C.M. In-house Developed Tools for Ontology Engineering Education (Demo). Proceedings of the Joint Ontology Workshops 2023 Episode IX: The Quebec Summer of Ontology --FOIS'23 Demonstrations. July 17-20, 2023, Sherbrooke, Canada. CEUR-WS Vol. 3637, paper 51.

  9. Sattler, U., Hogan, A. Keet, C.M., Presutti, V., Almeida, J.P.A., Takeda, H. Monnin, P., Pirrò, G., d’Amato, C. (Eds.). The Semantic Web – ISWC 2022 -- 21st International Semantic Web Conference, October 23–27, 2022, Proceedings. Springer LNCS vol. 13489.

  10. Raboanary, T., Keet, C.M. An Architecture for Generating Questions, Answers, and Feedback from Ontologies. 16th Metadata and Semantics Research Conference (MTSR'22), Garoufallou, E., Vlachidis, A. (eds). 7 Nov - 10 Nov. London, UK. Springer CCIS vol 1789, pp135-147. 2023.

  11. Emeruem, C., Keet, C.M., Khan, Z.C., Wang, S. BFO Classifier: Aligning domain ontologies to BFO. FOUST-VI: 6th Workshop on Foundational Ontology, part of JOWO'22. Prince Sales, T., Hedblom, M. and Tan, H. (Eds). CEUR-WS vol 3249. 13p. 15-19 August, Jonkoping, Sweden 2022.

  12. Gillis-Webber, F., Keet, C.M. A Review of Multilingualism in and for Ontologies. Technical Report, Arxiv.org, October 6, 2022. 22p.

  13. Keet, C.M., Khan, Z.C. Foundational Ontologies: From Theory to Practice and Back. Journal of Knowledge Structures and Systems, 2022, 3(1): 67-71. (invited commentary)

  14. Raboanary, T., Wang, S., Keet, C.M. Generating Answerable Questions from Ontologies for Educational Exercises. 15th Metadata and Semantics Research Conference (MTSR'21). Garoufallou, E., Ovalle-Perandones, M-A., Vlachidis, A (Eds.). Springer CCIS vol. 1537, 28-40. 29 Nov - 3 Dec, online.

  15. Keet, C.M., Grütter, R. Toward a systematic conflict resolution framework for ontologies. Journal of Biomedical Semantics, 2021, 12:15.

  16. Keet, C.M. An exploration into cognitive bias in ontologies. Cognition And OntologieS (CAOS'21), part of JOWO'21. 13-16 September 2021, Bolzano, Italy. Sanfilippo, E.M. et al. (Eds.). CEUR-WS vol. 2969. 17p.

  17. Keet, C.M. Bias in ontologies -- a preliminary assessment. Technical Report, Arxiv.org, January 20, 2021. 10p.

  18. Khan, Z.C., Keet, C.M. Structuring Abstraction to Achieve Ontology Modularisation. Advanced Concepts, Methods, and Applications in Semantic Computing. Daramola, O., Moser, T. (eds.). IGI Global, 2021, pp72-92.

  19. Keet, C.M., Dumontier, M. (Eds.). Knowledge Engineering and Knowledge Management -- 22nd International Conference, EKAW 2020, Bolzano, Italy, September 16-20, 2020, Proceedings. Springer LNAI vol. 12387.

  20. Fillottrani, P.R., Keet, C.M.. An analysis of commitments in ontology language design. 11th International Conference on Formal Ontology in Information Systems 2020 (FOIS'20). Brodaric, B and Neuhaus, F. (Eds.). IOS Press, FAIA vol. 330, 46-60. September, 2020, Bolzano, Italy.

  21. Keet, C.M. The computer program as a functional whole. 11th International Conference on Formal Ontology in Information Systems 2020 (FOIS'20). Brodaric, B and Neuhaus, F. (Eds.). IOS Press, FAIA vol. 330, 216-230. September, 2020, Bolzano, Italy.

  22. Grütter, R., Keet, C.M. Towards a Framework for Meaning Negotiation and Conflict Resolution in Ontology Authoring. 11th International Conference on Biomedical Ontologies (ICBO'20), 16-19 Sept 2020, Bolzano, Italy. CEUR-WS vol. 2807, D.1-12.

  23. Keet, C.M. An Introduction to Ontology Engineering. v1.5, February 2020, 306p.

  24. Potoniec, J., Wisniewski, D., Lawrynowicz, A., Keet, C.M. Dataset of Ontology Competency Questions to SPARQL-OWL Queries Translations. Data in Brief, 2020, 29: 105098.

  25. Davies, K., Keet, C.M., Lawrynowicz, A. More Effective Ontology Authoring with Test-Driven Development and the TDDonto2 tool. International Journal on Artificial Intelligence Tools, 2019, 28(7): 1950023.

  26. Wisniewski, D., Potoniec, J., Lawrynowicz, A., Keet, C.M. Analysis of Ontology Competency Questions and their Formalisations in SPARQL-OWL. Journal of Web Semantics, 2019, 59:100534.

  27. Suárez-Figueroa, M.C., Cheng, G., Gentile, A.L, Guéret, C., Keet, M., Bernstein, A. (eds.). ISWC 2019 Satellites. CEUR-WS vol 2456. 342p. Auckland, New Zealand, October 26-30, 2019.

  28. Keet, C.M., Mahlaza, Z., Antia, M.-J. CLaRO: a Controlled Language for Authoring Competency Questions. 13th Metadata and Semantics Research Conference (MTSR'19). E. Garoufallou et al. (Eds.). Springer CCIS vol 1057, 3-15. 28-31 Oct 2019, Rome, Italy. BEST STUDENT PAPER AWARD

  29. Fillottrani, P.R., Keet, C.M.. Dimensions Affecting Representation Styles in Ontologies. 1st Iberoamerican conference on Knowledge Graphs and Semantic Web (KGSWC'19). Springer CCIS vol. 1029, 186-200. 23-30 June 2019, Villa Clara, Cuba.

  30. Keet, C.M. An Introduction to Ontology Engineering. v1, July 2018, 270p.

  31. Keet, C.M. An Introduction to Ontology Engineering. College Publications, vol 20, November 2018.

  32. Keet, C.M., Davies, K., Lawrynowicz, A. More Effective Ontology Authoring with Test-Driven Development. Technical Report 1812.06015. https://arxiv.org/abs/1812.06015. December 2018.

  33. Wisniewski, D., Potoniec, J., Lawrynowicz, A. Keet, C.M. Competency Questions and SPARQL-OWL Queries Dataset and Analysis. Technical Report 1811.09529. https://arxiv.org/abs/1811.09529. November 2018.

  34. Keet, C.M., Khumalo, L. On the ontology of part-whole relations in Zulu language and culture. 10th International Conference on Formal Ontology in Information Systems 2018 (FOIS'18). IOS Press, FAIA vol. 306, 225-238. 17-21 September, 2018, Cape Town, South Africa.

  35. Khan, Z.C., Keet, C.M. NOMSA: Automated modularisation for abstraction modules. Proceedings of the EKAW 2018 Posters and Demonstrations Session (EKAW'18). CEUR-WS vol. 2262, pp13-16. 12-16 Nov. 2018, Nancy, France. (poster paper)

  36. Keet, C.M., Kutz, O. Orchestrating a Network of Mereo(topo)logical Theories: An Abridged Report. International Joint Conference on Artificial Intelligence (IJCAI'18). ACM, 5289-5293.

  37. Keet, C.M., Kutz, O. Orchestrating a Network of Mereo(topo)logical Theories. proceedings of the Ninth International Conference on Knowledge Capture (K-CAP'17), Austin, Texas, USA, December 4-6, 2017. ACM, 11:1-11:8. BEST PAPER AWARD

  38. Keet, C.M. A note on the compatibility of part-whole relations with foundational ontologies. FOUST-II: 2nd Workshop on Foundational Ontology, Joint Ontology Workshops 2017, 21-23 September 2017, Bolzano, Italy. CEUR-WS Vol. 2050. 12p.

  39. Khan, Z.C., Keet, C.M. Automatically changing modules in modular ontology development and management. Annual Conference of the South African Institute of Computer Scientists and Information Technologists (SAICSIT'17). ACM Proceedings, 19:1-19:10. Thaba Nchu, South Africa. September 26-28, 2017.

  40. Davies, K. Keet, C.M., Lawrynowicz, A. TDDonto2: A Test-Driven Development Plugin for arbitrary TBox and ABox axioms. The Semantic Web: ESWC 2017 Satellite Events, Blomqvist, E et al. (eds.). Springer LNCS vol 10577, 120-125. Portoroz, Slovenia, May 28 - June 2, 2017. (demo paper)

  41. Fillottrani, P.R., Keet, C.M. Patterns for Heterogeneous TBox Mappings to Bridge Different Modelling Decisions. 14th Extended Semantic Web Conference (ESWC'17), E. Blomqvist et al. (Eds.). Springer LNCS 10249, 371-386. Portoroz, Slovenia, May 28 - June 2, 2017.

  42. Keet, C.M. Representing and aligning similar relations: parts and wholes in isiZulu vs English. Language, Data, and Knowledge 2017 (LDK'17). In: Gracia J., Bond F., McCrae J., Buitelaar P., Chiarcos C., Hellmann S. (eds). Springer LNAI vol 10318, 58-73. 19-20 June, 2017, Galway, Ireland.

  43. Keet, C.M. Relating some stuff to other stuff. 20th International Conference on Knowledge Engineering and Knowledge Management (EKAW'16). Blomqvist, E., Ciancarini, P., Poggi, F., Vitali, F. (Eds.). Springer LNAI vol. 10024, 368-383. 19-23 November 2016, Bologna, Italy -- Stuff ontology page with supplementary material

  44. Keet, C.M., Chirema, T. A model for verbalising relations with roles in multiple languages. 20th International Conference on Knowledge Engineering and Knowledge Management (EKAW'16). Blomqvist, E., Ciancarini, P., Poggi, F., Vitali, F. (Eds.). Springer LNAI vol. 10024, 384-399. 19-23 November 2016, Bologna, Italy. -- tool and examples

  45. Khan, Z.C., Keet, C.M. Dependencies between modularity metrics towards improved modules. 20th International Conference on Knowledge Engineering and Knowledge Management (EKAW'16). Blomqvist, E., Ciancarini, P., Poggi, F., Vitali, F. (Eds.). Springer LNAI vol. 10024, 400-415. 19-23 November 2016, Bologna, Italy.

  46. Keet, C.M., Lawrynowicz, A. Test-Driven Development of Ontologies. 13th Extended Semantic Web Conference (ESWC'16). Springer LNCS vol. 9678, 642-657. 29 May - 2 June, 2016, Crete, Greece.

  47. Lawrynowicz, A., Keet, C.M. The TDDonto Tool for Test-Driven Development of DL Knowledge bases. 29th International Workshop on Description Logics (DL'16). April 22-25, Cape Town, South Africa. CEUR WS vol. 1577.

  48. Khan, Z.C., Keet, C.M. An empirically-based framework for ontology modularization. Applied Ontology 10th anniversary special issue, 2015, 10(3-4):171-195.

  49. Khan, Z.C., Keet, C.M. ROMULUS: a Repository of Ontologies for MULtiple USes populated with foundational ontologies. Journal on Data Semantics, 2016, 5(1):19-36. DOI: 10.1007/s13740-015-0052-1 accepted version

  50. Keet, C.M., Lawrynowicz, A. Test-Driven Development of Ontologies (extended version). Technical Report, Arxiv.org http://arxiv.org/abs/1512.06211. Dec 19, 2015. 32p.

  51. Khan, Z.C., Keet, C.M. Toward a framework for ontology modularity. Annual Conference of the South African Institute of Computer Scientists and Information Technologists (SAICSIT'15), 28-30 September 2015, Stellenbosch, South Africa. ACM Proceedings.

  52. Chavula, C., Keet, C.M. An Orchestration Framework for Linguistic Task Ontologies. 9th Metadata and Semantics Research Conference (MTSR'15), Garoufallou, E. et al. (Eds.). Springer CCIS vol. 544, 3-14. 9-11 September, 2015, Manchester, UK. -- ontologies (in NCS1.zip)

  53. Khan, Z.C., Keet, C.M. SUGOI: Automated Ontology Interchangeability. Knowledge Engineering and Knowledge Management: EKAW 2014 Satellite Events. Lambrix, P., Hyvonen, E., Blomqvist. E., Presutti, V., Qi, G., Sattler, U., Ding, Y., Ghidini, C. Springer LNAI vol. 8982, 150-153.

  54. Chavula, C., Keet, C.M. Is Lemon Sufficient for Building Multilingual Ontologies for Bantu Languages? 11th OWL: Experiences and Directions Workshop (OWLED'14). Keet, C.M., Tamma, V. (Eds.). Riva del Garda, Italy, Oct 17-18, 2014. CEUR-WS vol. 1265, 61-72.

  55. Keet, C.M. A core ontology of macroscopic stuff. 19th International Conference on Knowledge Engineering and Knowledge Management (EKAW'14). K. Janowicz et al. (Eds.). 24-28 Nov, 2014, Linkoping, Sweden. Springer LNAI vol. 8876, 209-224. -- Stuff ontology page with supplementary material

  56. Khan, Z.C., Keet, C.M. Feasibility of automated foundational ontology interchangeability. 19th International Conference on Knowledge Engineering and Knowledge Management (EKAW'14). K. Janowicz et al. (Eds.). 24-28 Nov, 2014, Linkoping, Sweden. Springer LNAI 8876, 225-237.

  57. Keet, C.M., Khumalo, L. Basics for a grammar engine to verbalize logical theories in isiZulu. 8th International Web Rule Symposium (RuleML'14), A. Bikakis et al. (Eds.). Springer LNCS 8620, 216-225. August 18-20, 2014, Prague, Czech Republic.

  58. Keet, C.M., Khumalo, L. Toward verbalizing logical theories in isiZulu. 4th Workshop on Controlled Natural Language (CNL'14), Davis, B, Kuhn, T, Kaljurand, K. (Eds.). Springer LNAI 8625, 78-89. 20-22 August 2014, Galway, Ireland.

  59. Keet, C.M., d'Amato, C., Khan, Z.C., Lawrynowicz, A. Exploring Reasoning with the DMOP Ontology. 3rd Workshop on Ontology Reasoner Evaluation (ORE'14). Samantha Bail, S., Glimm, B, Jimenez-Ruiz, E., Matentzoglu, N., Parsia, B., Steigmiller, A. (Eds.). July 13, 2014, Vienna, Austria. CEUR-WS Vol 1207, 64-70.

  60. Khan, Z.C., Keet, C.M. Foundational ontology mediation in ROMULUS. Knowledge Discovery, Knowledge Engineering and Knowledge Management: IC3K 2013 Selected Papers. A. Fred et al. (Eds.). Springer CCIS vol. 454, pp. 132-152, 2015. preprint

  61. Keet, C.M., Suárez-Figueroa, M.C., Poveda-Villalón, M. Pitfalls in Ontologies and TIPS to Prevent Them. Knowledge Discovery, Knowledge Engineering and Knowledge Management: IC3K 2013 Selected Papers. A. Fred et al. (Eds.). Springer CCIS vol. 454, pp. 115-131, 2015. preprint

  62. Keet, C.M. Preventing, Detecting, and Revising Flaws in Object Property Expressions. Journal on Data Semantics, 2014, 3(3): 189-206. DOI: 10.1007/s13740-013-0028-y

  63. Keet, C.M., Khan, M.T., Ghidini, C. Ontology Authoring with FORZA. 22nd ACM International Conference on Information and Knowledge Management (CIKM'13). ACM proceedings, pp569-578. Oct. 27 - Nov. 1, 2013, San Francisco, USA.

  64. Keet, C.M., Suárez-Figueroa, M.C., Poveda-Villalón, M. The current landscape of pitfalls in ontologies. 5th International Conference on Knowledge Engineering and Ontology Development (KEOD'13), Vilamoura, Portugal, 19-22 September. Filipe, J. and Dietz, J. (Eds.), SCITEPRESS, pp132-139.

  65. Khan, Z., Keet, C.M. Addressing issues in foundational ontology mediation. 5th International Conference on Knowledge Engineering and Ontology Development (KEOD'13), Vilamoura, Portugal, 19-22 September. Filipe, J. and Dietz, J. (Eds.), SCITEPRESS, pp5-16.

  66. Khan, Z., Keet, C.M. Toward semantic interoperability with aligned foundational ontologies in ROMULUS. Seventh International Conference on Knowledge Capture (K-CAP'13), ACM proceedings. 23-26 June 2013, Banff, Canada. (poster/demo)

  67. Keet, C.M., Khan, M.T., Ghidini, C. Guided ENtity reuse and class Expression geneRATOR. Seventh International Conference on Knowledge Capture (K-CAP'13). ACM proceedings. 23-26 June 2013, Banff, Canada. (poster/demo)

  68. Kutz, O., Lange, C., Mossakowski, T., Keet, C.M., Neuhaus, F., Gruninger, M. The Babel of the Semantic Web Tongues -- In Search of the Rosetta Stone of Interoperability. What will the Semantic Web look like 10 years from now? SW2022, co-located with ISWC'12, Boston, USA. November 11-15, 2012. CEUR-WS Vol. xx (accepted).

  69. Keet, C.M. Detecting and Revising Flaws in OWL Object Property Expressions. 18th International Conference on Knowledge Engineering and Knowledge Management (EKAW'12), A. ten Teije et al. (Eds.). Oct 8-12, Galway, Ireland. Springer, Lecture Notes in Artificial Intelligence LNAI 7603, 252-266. BEST RESEARCH PAPER AWARD

  70. Khan, Z., Keet, C.M. ONSET: Automated Foundational Ontology Selection and Explanation. 18th International Conference on Knowledge Engineering and Knowledge Management (EKAW'12), A. ten Teije et al. (Eds.). Oct 8-12, Galway, Ireland. Springer, Lecture Notes in Artificial Intelligence LNAI 7603, 237-251.

  71. Keet, C.M., Fernández-Reyes, F.C., Morales-González, A. Representing mereotopological relations in OWL ontologies with OntoPartS. 9th Extended Semantic Web Conference (ESWC'12), Simperl et al. (eds.), 27-31 May 2012, Heraklion, Crete, Greece. Springer, Lecture Notes in Computer Science LNCS 7295, 240-254.

  72. Morales-González, A., Fernández-Reyes, F.C., Keet, C.M. OntoPartS: a tool to select part-whole relations in OWL ontologies. 9th Extended Semantic Web Conference (ESWC'12), 29-31 May 2012, Heraklion, Crete, Greece. Demo with paper

  73. Keet, C.M. Reasoning, Automated. Encyclopedia of Systems Biology, W. Dubitzky, O. Wolkenhauer, K. Cho, H. Yokota (eds.), Springer, 2012 (in press).

  74. Keet, C.M. The use of foundational ontologies in ontology development: an empirical assessment. 8th Extended Semantic Web Conference (ESWC'11), G. Antoniou et al (Eds.), Heraklion, Crete, Greece, 29 May-2 June, 2011. Springer, Lecture Notes in Computer Science LNCS 6643, 321-335.

  75. Keet, C.M. Dependencies between Ontology Design Parameters. International Journal of Metadata, Semantics and Ontologies, 2010, 5(4): 265-284. DOI: 10.1504/IJMSO.2010.035550. published version at IJMSO

  76. Keet, C.M. Ontology engineering with rough concepts and instances. 17th International Conference on Knowledge Engineering and Knowledge Management (EKAW'10), P. Cimiano and H.S. Pinto (Eds.). 11-15 October 2010, Lisbon, Portugal. Springer LNAI 6317, 507-517. supplementary material

  77. Calbimonte, J.-P., Porto, F., and Keet, C.M. Functional dependencies in OWL ABox. XXIV Brazilian Symposium on Databases (SBBD'09), Fortaleza, Brazil, 5-9 Oct, 2009. IEEE SIGMOD's Digital Symposium Collection. pp16-30

  78. Keet, C.M. and Rodriguez, M. Toward using biomedical ontologies: trade-offs between ontology languages. AAAI 2007 Workshop on Semantic e-Science (SeS'07), 23 July 2007, Vancouver, Canada. AAAI 2007 TR WS-07-11 (ISBN 978-1-57735-338-6), 65-68.

  79. Keet, C.M. and Rodriguez, M. Comprehensiveness versus Scalability: guidelines for choosing an appropriate knowledge representation language for bio-ontologies. KRDB Research Centre Technical Report KRDB07-5, Faculty of Computer Science, Free University of Bozen-Bolzano, Italy. May 9, 2007. 8p. pdf

  80. Keet, C.M. Aspects of Ontology Integration. Technical Report, Napier University, Edinburgh, Scotland. 2004.

Papers on ontologies in various subject domains (including bio)
  1. Burgueño, L., Keet, C.M., Kienzle, J., Michael, J., Babur, Ö. A Human Behavior Exploration Approach Using LLMs for Cyber-Physical Systems. 6th MDE Intelligence workshop -- MODELS Companion '24: Proceedings of the ACM/IEEE 27th International Conference on Model Driven Engineering Languages and Systems. pp578-586. 22-27 September 2024, Linz, Austria.

  2. Keet, C.M. Exploring the Ontology of Pandemic. 13th International Conference on Biomedical Ontology (ICBO'22). CEUR-WS. Ann Arbour, MI, USA, September 25-28, 2022. CEUR-WS vol. 3805, A.1-10

  3. Mahlaza, Z., Keet, C.M. ToCT: A task ontology to manage complex templates. FOIS'21 Ontology Showcase, 13-16 September 2021, Bolzano, Italy. Sanfilippo, E.M. et al. (Eds.). CEUR-WS vol. 2969. 9p.

  4. Keet, C.M. The African Wildlife Ontology tutorial ontologies. Journal of Biomedical Semantics, 2020, 11:4.

  5. Rautenbach, J.G., Keet, C.M. Toward equipping Artificial Moral Agents with multiple ethical theories. RobOntics: International Workshop on Ontologies for Autonomous Robotics, co-located with BoSK'20, Bolzano. CEUR-WS vol. 2708, 5 (7 pages). -- Extended version: https://arxiv.org/abs/2003.00935

  6. Keet, C.M., Lawrynowicz, A., d'Amato, C., Kalousis, A., Nguyen, P., Palma, R., Stevens, R., Hilario, M. The Data Mining OPtimization ontology. Web Semantics: Science, Services and Agents on the World Wide Web, 2015, 32:43-53. preprint

  7. Keet, C.M., Lawrynowicz, A., d'Amato, C., Hilario, M. Modeling issues and choices in the Data Mining OPtimisation Ontology. 8th Workshop on OWL: Experiences and Directions (OWLED'13), 26-27 May 2013, Montpellier, France. CEUR-WS vol 1080.

  8. Alberts, R., Fogwill, T., Keet, C.M. Several Required OWL Features for Indigenous Knowledge Management Systems. 7th Workshop on OWL: Experiences and Directions (OWLED'12). Klinov, P. and Horridge, M. (Eds.). 27-28 May, Heraklion, Crete, Greece. CEUR-WS Vol. 849.

  9. Keet, C.M. Transforming semi-structured life science diagrams into meaningful domain ontologies with DiDOn. Journal of Biomedical Informatics, 2012, 45(3): 482-494. DOI: dx.doi.org/10.1016/j.jbi.2012.01.004.

  10. Keet, C.M. Bottom-up ontology development reusing semi-structured life sciences diagrams. AFRICON'11 -- Special Session on Robotics and Artificial Intelligence in Africa, Livingstone, Zambia 13-15 September, 2011. IEEE Xplore.

  11. Keet, C.M. Constraints for representing transforming entities in bio-ontologies. 11th Congress of the Italian Association for Artificial Intelligence (AI*IA'09), R. Serra and R. Cucchiara (Eds.), Reggio Emilia, Italy, Dec. 9-12, 2009. Springer-Verlag Lecture Notes in Artificial Intelligence LNAI 5883, 11-20.

  12. Keet, C.M. Ontology design parameters for aligning agri-informatics with the Semantic Web. 3rd International Conference on Metadata and Semantics (MTSR'09) -- Special Track on Agriculture, Food & Environment, Oct 1-2 2009 Milan, Italy. F. Sartori, M.A. Sicilia, and N. Manouselis (Eds.), Springer Communications in Computer and Information Science CCIS 46, 239-244.

  13. Keet, C.M. Structuring GIS information with types of granularity: a case study. VI International Conference on Geomatics (Geomatics'09), 10-12 February 2009, Havana, Cuba.

  14. Keet, C.M., Alberts, R., Gerber, A., Chimamiwa, G. Enhancing web portals with Ontology-Based Data Access: the case study of South Africa's Accessibility Portal for people with disabilities. Fifth International Workshop OWL: Experiences and Directions (OWLED'08). 26-27 Oct. 2008, Karlsruhe, Germany.

  15. Keet, C.M., Roos, M. and Marshall, M.S. A survey of requirements for automated reasoning services for bio-ontologies in OWL. Third international Workshop OWL: Experiences and Directions (OWLED 2007), 6-7 June 2007, Innsbruck, Austria. CEUR-WS (ISSN 1613-0073) Vol-258.

  16. Keet, C.M. Representations of the ecological niche. Third International Workshop on Philosophy and Informatics (WSPI2006), Saarbrucken, Germany. 3-4 May 2006. Johansson, I., Klein, B., Roth-Berghofer, T. (Eds.), IFOMIS Reports (ISSN 1611-4019), 14, 2006. pp75-88. appendix

  17. Keet, C.M. Factors affecting ontology development in ecology. Data Integration in the Life Sciences 2005 (DILS'05), Ludaescher, B, Raschid, L. (eds.). San Diego, USA, 20-22 July 2005. Lecture Notes in Bioinformatics LNBI 3615, Springer Verlag, 2005. pp46-62. supplementary material

  18. Keet, C.M. Current characteristics and historical perspective of Computer Science and IT with/for biology. CSBio Reader: extended abstracts of the 'CS&IT with/for biology' Seminar Series, Free University of Bozen-Bolzano, 2005. pp1-8.

  19. Keet, C.M. and Franconi, E. (eds.). CSBio reader: extended abstracts of the 'CS&IT with/for biology' Seminar Series. Free University of Bozen-Bolzano, 2005.

  20. Keet, C.M. Ontology Integration for Applied Bioscience. Summer School & Workshop Semantic Interoperability and Data Mining in Biomedicine (research student poster session), 3-11 July 2004, Balatonfüred, Hungary. poster


Ontology-driven conceptual data modelling

see also parts and wholes

  1. Maree, S., Taylor, R., Keet, C.M. TRENDy: a tool for temporal modelling and database generation. 24th International Conference on Knowledge Engineering and Knowledge Management (EKAW'24) Posters & Demos. CEUR-WS, (in print). Amsterdam, Netherlands, November 26-28, 2024.

  2. Berman, S., Keet, C. M., Shunmugam, T. The temporal conceptual data modelling language TREND. Technical Report, Arxiv.org, number 2408.09427. 44p. 18 August 2024.

  3. Fillottrani, P. R., Keet, C.M. Logics for conceptual data modelling: a review. Transactions on Graph Data and Knowledge, Vol. 2, Issue 1, 4:1-4:30.

  4. Arrieta, K., Fillottrani, P. R., Keet, C.M. CoSMo: A multilingual modular language for Content Selection Modelling. The 39th ACM/SIGAPP Symposium On Applied Computing (SAC'24). ACM Proceedings, pp706-713. Avila, Spain, 8-12 April 2024.

  5. Keet, C.M. The What and How of Modelling Information and Knowledge: From Mind Maps to Ontologies. Springer, 2023. ISBN-10: 3031396944; ISBN-13: 978-3031396946.

  6. Arrieta, K., Fillottrani, P.R., Keet, C.M. CoSMo: A constructor specification language for Abstract Wikipedia's content selection process. Technical Report, Arxiv.org, number 2308.02539. 32p. 1 August 2023.

  7. Braun, G., Fillottrani, P.R., Keet, C.M. A Framework for Interoperability Between Models with Hybrid Tools, Journal of Intelligent Information Systems, 2023, 60:437-462.

  8. Fillottrani, P.R., Keet, C.M.. Evidence-based lean conceptual data modelling languages. Journal of Computer Science and Technology, 2021, 2021, 21(2): 93-111.

  9. Fillottrani, P.R., Keet, C.M. KnowID: An architecture for efficient Knowledge-driven Information and Data access. Data Intelligence, 2020, 2(4): 487-512.

  10. Fillottrani, P.R., Jamieson, S., Keet, C.M. Connecting knowledge to data through transformations in KnowID: system description. Künstliche Intelligenz, 2020, 2020, 34, 373-379. CRC

  11. Ma, W., Keet, C.M., Olford, W., Toman, D., Weddell, G. The Utility of the Abstract Relational Model and Attribute Paths in SQL. 21st International Conference on Knowledge Engineering and Knowledge Management (EKAW'18). Springer LNAI vol. 11313, 195-211. 12-16 Nov. 2018, Nancy, France. BEST PAPER AWARD

  12. Fillottrani, P.R., Keet, C.M. Evidence-based lean logic profiles for conceptual data modelling languages. Technical Report 1809.03001. https://arxiv.org/abs/1809.03001

    13. -->
  13. Keet, C.M., Berman, S. Determining the preferred representation of temporal constraints in conceptual models. 36th International Conference on Conceptual Modeling (ER'17). Mayr, H.C., Guizzardi, G., Ma, H. Pastor. O. (Eds.). Springer LNCS vol. 10650, 437-450. 6-9 Nov 2017, Valencia, Spain. -- supplementary material

  14. Khan, Z.C., Keet, C.M., Fillottrani, P.R., Cenci, K.M. Experimentally motivated transformations for intermodel links between conceptual models. 20th Conference on Advances in Databases and Information Systems (ADBIS'16). J. Pokorny et al. (eds.). Springer LNCS vol 9809, 104-118. August 28-31, Prague, Czech Republic. supplementary material

  15. Fillottrani, P.R., Keet, C.M. A Design for Coordinated and Logics-mediated Conceptual Modelling. 29th International Workshop on Description Logics (DL'16). April 22-25, Cape Town, South Africa. CEUR WS vol. 1577 (abstract).

  16. Keet, C.M., Fillottrani, P.R. An ontology-driven unifying metamodel of UML Class Diagrams, EER, and ORM2. Data & Knowledge Engineering, 2015, 98: 30-53.

  17. Fillottrani, P.R., Keet, C.M. Evidence-based Languages for Conceptual Data Modelling Profiles. 19th Conference on Advances in Databases and Information Systems (ADBIS'15). Morzy et al. (Eds.). Springer LNCS vol. 9282, 215-229. Poitiers, France, Sept 8-11, 2015. -- supplementary data

  18. Keet, C.M., Fillottrani, P.R. An analysis and characterisation of publicly available conceptual models. 34th International Conference on Conceptual Modeling (ER'15). Johannesson, P., Lee, M.L. Liddle, S.W., Opdahl, A.L., Pastor Lopez, O. (Eds.). Springer LNCS vol 9381, 585-593. 19-22 Oct, Stockholm, Sweden. - supplementary data

  19. Fillottrani, P.R., Keet, C.M., Toman, D. Polynomial encoding of ORM conceptual models in CFDInc∀-. 28th International Workshop on Description Logics (DL'15). CEUR-WS vol 1350, pp401-414. 7-10 June 2015, Athens, Greece.

  20. Keet, C.M., Ongoma, E.A.N. Temporal Attributes: their Status and Subsumption. Asia-Pacific Conference on Conceptual Modelling (APCCM'15). Koehler, H., Saeki, M. (Eds.), Conferences in Research and Practice in Information Technology (CRPIT), Vol. 165. 27-30 January, 2015, Sydney, Australia.

  21. Fillottrani, P.R., Keet, C.M. KF metamodel formalization. Technical Report, Arxiv.org http://arxiv.org/abs/1412.6545. Dec 19, 2014. 26p.

  22. Ongoma, E.A.N., Keet, C.M., Meyer, T. Transition Constraints for Temporal Attributes. 27th International Workshop on Description Logics (DL'14). Bienvenu, M., Ortiz, M., Rosati, R., Simkus, M. (Eds.). CEUR-WS vol 1193, 684-695. 17-20 July 2014, Vienna, Austria.

  23. Fillottrani, P.R., Keet, C.M. Conceptual Model Interoperability: a Metamodel-driven Approach. 8th International Web Rule Symposium (RuleML'14), A. Bikakis et al. (Eds.). Springer LNCS 8620, 52-66. August 18-20, 2014, Prague, Czech Republic.

  24. Britz, A., Calvanese, D., Keet, C.M., Klarman, S. Proceedings of the First International Workshop on Logics and Reasoning for Conceptual Modeling (LRCM'13). Co-located with LPAR-19. December 14, Stellenbosch, South Africa.

  25. Keet, C.M., Fillottrani, P.R. Toward an ontology-driven unifying metamodel for UML Class Diagrams, EER, and ORM2. 32nd International Conference on Conceptual Modeling (ER'13). W. Ng, V.C. Storey, and J. Trujillo (Eds.). Springer LNCS 8217, 313-326. 11-13 November, 2013, Hong Kong. NOMINATED FOR BEST PAPER AWARD

  26. Khan, Z., Keet, C.M. The foundational ontology library ROMULUS. 3rd International Conference on Model & Data Engineering (MEDI'13). A. Cuzzocrea and S. Maabout (Eds.) September 25-27, 2013, Amantea, Calabria, Italy. Springer LNCS 8216, 200-211.

  27. Keet, C.M., Fillottrani, P.R. Structural entities of an ontology-driven unifying metamodel for UML, EER, and ORM2. 3rd International Conference on Model & Data Engineering (MEDI'13). A. Cuzzocrea and S. Maabout (Eds.) September 25-27, 2013, Amantea, Calabria, Italy. Springer LNCS 8216, 188-199.

  28. Keet, C.M. Ontology-driven formal conceptual data modeling for biological data analysis, Chapter 6 in: Biological Knowledge Discovery Handbook: Preprocessing, Mining and Postprocessing of Biological Data. Mourad Elloumi and Albert Y. Zomaya (Eds.). Wiley. 2013. 129-154. preprint

  29. Keet, C.M. Enhancing Identification Mechanisms in UML Class Diagrams with Meaningful Keys. SAICSIT Annual Research Conference 2011 (SAICSIT'11), Cape Town, October 3-5, 2011. ACM Conference Proceedings, 283-286. extended version as SoCS11-1 technical report

  30. Keet, C.M. and Artale, A. A basic characterization of relation migration. International Workshop on Fact-Oriented Modeling (ORM'10), Crete, Greece, October 27-29, 2010. Meersman, R. et al. (Eds.), OTM Workshops, Springer, Lecture Notes in Computer Science LNCS 6428, 484-493.

  31. Calvanese, D., Keet, C.M., Nutt, W., Rodriguez-Muro, M., Stefanoni, G. Web-based Graphical Querying of Databases through an Ontology: the WONDER System. ACM Symposium on Applied Computing (ACM SAC'10), March 22-26 2010, Sierre, Switzerland. pp 1389-1396.

  32. Keet, C.M. Positionalism of relations and its consequences for fact-oriented modelling. International Workshop on Fact-Oriented Modeling (ORM'09), Vilamoura, Portugal, November 4-6, 2009. Meersman, R., Herrero, P., and Dillon T. (Eds.), OTM Workshops, Springer, LNCS 5872, 735-744.

  33. Keet, C.M. Unifying industry-grade class-based conceptual data modeling languages with CMcom. 21st International Workshop on Description Logics (DL'08), 13-16 May 2008, Dresden, Germany. CEUR-WS, Vol-353.

  34. Keet, C.M. A formal comparison of conceptual data modeling languages. 13th International Workshop on Exploring Modeling Methods in Systems Analysis and Design (EMMSAD'08). Montpellier, France, 16-17 June 2008. CEUR-WS Vol-337, pp25-39.

  35. Tziviskou, C. and Keet, C.M. A Meta-Model for Ontologies with ORM2. Third International Workshop on Object-Role Modelling (ORM'07), Algarve, Portugal, Nov 28-30, 2007. Meersman, R., Tari, Z., Herrero., P. et al. (Eds.), Springer, LNCS 4805, 624-633.

  36. Keet, C.M. Prospects for and issues with mapping the Object-Role Modeling language into DLRifd. 20th International Workshop on Description Logics (DL'07), 8-10 June 2007, Bressanone, Italy. CEUR-WS Vol-250 / (ISBN 978-88-6046-008-5), 331-338. appendix (mapping and figures)

  37. Keet, C.M. Mapping the Object-Role Modeling language ORM2 into Description Logic language DLRifd. KRDB Research Centre Technical Report KRDB07-2, Faculty of Computer Science, Free University of Bozen-Bolzano, Italy. February 15, 2007. 23p. pdf (also as arXiv:cs.LO/0702089v1) and the updated version

  38. M. Jarrar, C.M. Keet, and P. Dongilli. Multilingual verbalization of ORM conceptual models and axiomatized ontologies. STARLab Technical Report, Vrije Universiteit Brussels, Belgium. February 2006. see also tech reports for the supported 10 languages

  39. Keet, C.M. Conceptual Modelling and Ontologies for Biology: experiences with the bacteriocin database. Agropecuaria Conference (Interjoven 2004). 3-6 June 2004, San Jose de las Lajas, Cuba. poster

  40. Keet, C.M. Biological Data and Conceptual Modelling Methods. Journal of Conceptual Modeling, Issue 29, October 2003.



Natural language

  1. Mahlaza, Z., Sayed, I., Van der Leek, A, Keet, C.M.. IsiZulu noun classification based on replicating the ensemble approach for Runyankore. The First Workshop on Language Models for Low-Resource Languages (LoResLM25), co-located with COLING'25. January 202, 2025, Abu Dhabi. (in print).

  2. Mahlaza, Z., Magwenzi, T., Keet, C.M., Khumalo, L. Automatically Generating IsiZulu Words From Indo-Arabic Numerals. 17th International Natural Language Generation Conference (INLG'24), Tokyo, Japan, September 23-27, 2024. ACL.

  3. Burgueño, L., Keet, C.M., Kienzle, J., Michael, J., Babur, Ö. A Human Behavior Exploration Approach Using LLMs for Cyber-Physical Systems. 6th MDE Intelligence workshop at MODELS 2024. 22-27 September 2024, Linz, Austria. (in print)

  4. Mahlaza, Z., Raboanary, T., Seakgwa, K., Keet, C.M. ReproHum #0866-04: Another Evaluation of Readers’ Reactions to News Headlines. ReproNLP Shared Task on Reproducibility of Evaluations in NLP (ReproNLP'24). Torino, Italy. May 21, 2024.

  5. Keet, C.M. Lee, H.-Y., Zarrieß, S. (Eds.). Proceedings of the 16th International Conference on Natural Language Generation. Association for Computational Linguistics, 2023. 11-15 September 2023, Prague, Czech Republic.

  6. Keet, C.M., Khumalo, L. Contextualising Levels of Language Resourcedness affecting Digital Processing of Text. Technical Report, Arxiv.org, number 2309.17035. 18p. 29 September 2023.

  7. Arrieta, K., Fillottrani, P.R., Keet, C.M. CoSMo: A constructor specification language for Abstract Wikipedia's content selection process. Technical Report, Arxiv.org, number 2308.02539. 32p. 1 August 2023.

  8. Raboanary, T., Wang, S., Keet, C.M. Towards the generalisation of the generation of answerable questions from ontologies for education. International Journal of Metadata, Semantics and Ontologies, 2023, 16(1):86-103.

  9. Mahlaza, Z., Keet, C.M. Surface realisation architecture for low-resourced African languages. ACM Transactions on Asian and Low-Resource Language Information Processing, 2023, 22(3):1-26.

  10. Raboanary, T., Keet, C.M. An Architecture for Generating Questions, Answers, and Feedback from Ontologies. 16th Metadata and Semantics Research Conference (MTSR'22), Garoufallou, E., Vlachidis, A. (eds). 7 Nov - 10 Nov. London, UK. Springer CCIS vol 1789, pp135-147. 2023.

  11. Gillis-Webber, F., Keet, C.M. A Review of Multilingualism in and for Ontologies. Technical Report, Arxiv.org, October 6, 2022. 22p.

  12. Raboanary, T., Wang, S., Keet, C.M. Generating Answerable Questions from Ontologies for Educational Exercises. 15th Metadata and Semantics Research Conference (MTSR'21). Garoufallou, E., Ovalle-Perandones, M-A., Vlachidis, A (Eds.). Springer CCIS vol. 1537, 28-40. 29 Nov - 3 Dec, online.

  13. Gillis-Webber, F., Keet, C.M. A Survey of Multilingual OWL Ontologies in BioPortal. 13th Semantic Web Applications and Tools for Healthcare and Life Sciences (SWAT4HCLS'22). Wolstencroft, K. et al. (Eds.). CEUR-WS Vol. 3127, 87-96. Leiden, the Netherlands, January 10-13 2022.

  14. Antia, M.-J., Keet, C.M. Assessing and Enhancing Bottom-up CNL Design for Competency Questions for Ontologies. 7th International Workshop on Controlled Natural language (CNL'21), 8-9 Sept. 2021, Amsterdam, the Netherlands. ACL, 1.11.

  15. Keet, C.M. Natural Language Generation Requirements for Social Robots in Sub-Saharan Africa. IST-Africa 2021, IST-Africa 2021 Conference Proceedings. IST-Africa Institute and IIMC Ireland. Cunningham, M. and Cunningham, P. (Eds). 10-14 May 2021, online. (discussion paper)

  16. Mahlaza, Z., Keet, C.M. Formalisation and classification of grammar and template-mediated techniques to model and ontology verbalisation. International Journal of Metadata, Semantics and Ontologies, 2020, 14(3): 249-262.

  17. Mahlaza, Z., Keet, C.M. OWLSIZ: An isiZulu CNL for structured knowledge validation. 3rd Workshop on Natural Language Generation from the Semantic Web (WebNLG'20), ACL, pp15-25. 18 Dec 2020, Dublin, Ireland.

  18. Mahlaza. Z, Keet, C.M. A method for measuring verb similarity for two closely related languages with application to Zulu and Xhosa. South African Computer Journal, 2019, 31(2): 34-56.

  19. Keet, C.M., Mahlaza, Z., Antia, M.-J. CLaRO: a Controlled Language for Authoring Competency Questions. 13th Metadata and Semantics Research Conference (MTSR'19). E. Garoufallou et al. (Eds.). Springer CCIS vol. 1057, 3-15. 28-31 Oct 2019, Rome, Italy. BEST STUDENT PAPER AWARD

  20. Mahlaza, Z., Keet, C.M. A classification of grammar-infused templates for ontology and model verbalisation. 13th Metadata and Semantics Research Conference (MTSR'19). E. Garoufallou et al. (Eds.). Springer CCIS vol. 1057, 64-76. 28-31 Oct 2019, Rome, Italy.

  21. Gillis-Webber, F., Tittel, S., Keet, C.M.. A Model for Language Annotations on the Web. 1st Iberoamerican conference on Knowledge Graphs and Semantic Web (KGSWC'19). Springer CCIS vol. 1029, 1-16. 23-30 June 2019, Villa Clara, Cuba.

  22. Davis, B., Keet, C.M., Wyner, A. (Eds.). Proceedings of the Sixth International Workshop on Controlled Natural Language 2018. IOS Press, FAIA vol. 304. Maynooth, Co. Kildare, Ireland, August 27-28, 2018.

  23. Mahlaza, Z. Keet, C.M. Measuring verb similarity using binary coefficients with application to isiXhosa and isiZulu. Annual Conference of the South African Institute of Computer Scientists and Information Technologists (SAICSIT'18). ACM Proceedings, e8, 7 pages. September 26-28, 2018, Port Elizabeth, South Africa.

  24. Gilbert, N., Keet, C.M. Automating question generation and marking of language learning exercises for isiZulu. 6th International Workshop on Controlled Natural language (CNL'18). IOS Press, FAIA vol 304, 31-40. Co. Kildare, Ireland, 27-28 August 2018.

  25. Byamugisha, J., Keet, C.M., DeRenzi, B. Pluralizing Nouns across Agglutinating Bantu Languages. 27th International Conference on Computational Linguistics (COLING'18). ACL, 2633-2643. August 20-26, 2018, Santa Fe, New Mexico, USA.

  26. Mjaria, F., Keet, C.M. A statistical approach to error correction for isiZulu spellcheckers. IST-Africa 2018, P. Cunningham, M. Cunningham (Eds). IIMC International Information Management Corporation, pp1-9. 9-11 May, Botswana.

  27. Keet, C.M., Khumalo, L. Evaluation of the effects of a spellchecker on the intellectualization of isiZulu. Alternation, 2017, 24(2): 75-97. accepted version

  28. Keet, C.M. Natural language template selection for temporal constraints. CREOL: Contextual Representation of Events and Objects in Language, Joint Ontology Workshops 2017, 21-23 September 2017, Bolzano, Italy. CEUR-WS Vol. 2050. 12p. supplementary material

  29. Keet, C.M., Khumalo, L. Grammar rules for the isiZulu complex verb. Southern African Linguistics and Applied Language Studies, 2017, 35(2): 183-200. accepted version

  30. Byamugisha, J., Keet, C.M., DeRenzi, B. Evaluation of a Runyankore grammar engine for healthcare messages. 10th International Natural Language Generation conference (INLG'17). ACL, pp105-113. 4-7 Sept 2017, Santiago de Compostela, Spain.

  31. Keet, C.M. Representing and aligning similar relations: parts and wholes in isiZulu vs English. Language, Data, and Knowledge 2017 (LDK'17). In: Gracia J., Bond F., McCrae J., Buitelaar P., Chiarcos C., Hellmann S. (eds). Springer LNAI vol 10318, 58-73. 19-20 June, 2017, Galway, Ireland.

  32. Keet, C.M. Xakaza, M., Khumalo, L. Verbalising OWL ontologies in isiZulu with Python. The Semantic Web: ESWC 2017 Satellite Events, Blomqvist, E et al. (eds.). Springer LNCS vol 10577, 59-64. Portoroz, Slovenia, May 28 - June 2, 2017. (demo paper)

  33. Keet, C.M., Chirema, T. A model for verbalising relations with roles in multiple languages. 20th International Conference on Knowledge Engineering and Knowledge Management (EKAW'16). Blomqvist, E., Ciancarini, P., Poggi, F., Vitali, F. (Eds.). Springer LNAI vol. 10024, 384-399. 19-23 November 2016, Bologna, Italy. -- tool and examples

  34. Keet, C.M. An assessment of orthographic similarity measures for several African languages. Technical Report, Arxiv.org, http://arxiv.org/abs/1608.03065. Aug 10, 2016. 9p.

  35. Keet, C.M., Khumalo, L. On the verbalization patterns of part-whole relations in isiZulu. 9th International Natural Language Generation conference (INLG'16), 5-8 September, 2016, Edinburgh, UK. Association for Computational Linguistics, 174-183.

  36. Byamugisha, J., Keet, C.M., DeRenzi, B. Tense and Aspect in Runyankore using a Context-Free Grammar. 9th International Natural Language Generation conference (INLG'16), 5-8 September, 2016, Edinburgh, UK. Association for Computational Linguistics, 84-88.

  37. Sanby, L., Todd, I., Keet, C.M. Comparing the template-based approach to GF: the case of Afrikaans. 2nd International Workshop on Natural Language Generation and the Semantic Web (WebNLG'16). ACL. September 6, 2016, Edinburgh, Scotland.

  38. Byamugisha, J., Keet, C.M., DeRenzi, B. Bootstrapping a Runyankore CNL from an isiZulu CNL. 5th Workshop on Controlled Natural Language (CNL'16), Springer LNAI vol 9767, 25-36. 25-27 July 2016, Aberdeen, UK. BEST STUDENT PAPER AWARD

  39. Byamugisha, J., Keet, C.M., Khumalo, L. Pluralising Nouns in isiZulu and Related Languages. 17th International Conference on Intelligent Text Processing and Computational Linguistics (CICLing'16), Springer LNCS vol 9623, 271-283. April 3-9, 2016, Konya, Turkey. supplementary material FIRST PRIZE "Verifiability, Reproducibility and Working Description Award"

  40. Ndaba, B., Suleman, H., Keet, C.M., Khumalo, L. The Effects of a Corpus on isiZulu Spellcheckers based on N-grams. IST-Africa 2016. Paul Cunningham and Miriam Cunningham (Eds). IIMC International Information Management Corporation. May 11-13, 2016, Durban, South Africa.

  41. Keet, C.M., Khumalo, L. Toward a knowledge-to-text controlled natural language of isiZulu. Language Resources and Evaluation, 2017, 51:131-157. DOI: 10.1007/s10579-016-9340-0 accepted version

  42. Chavula, C., Keet, C.M. An Orchestration Framework for Linguistic Task Ontologies. 9th Metadata and Semantics Research Conference (MTSR'15), Garoufallou, E. et al. (Eds.). Springer CCIS vol. 544, 3-14. 9-11 September, 2015, Manchester, UK. -- ontologies (in NCS1.zip)

  43. Keet, C.M., Barbour, G. Limitations of Regular Terminology Development practices: the case of the isiZulu Computing Terminology. Alternation, 2014, 12: 13-48.

  44. Keet, C.M., Khumalo, L. Basics for a grammar engine to verbalize logical theories in isiZulu. 8th International Web Rule Symposium (RuleML'14), A. Bikakis et al. (Eds.). Springer LNCS 8620, 216-225. August 18-20, 2014, Prague, Czech Republic.

  45. Keet, C.M., Khumalo, L. Toward verbalizing logical theories in isiZulu. 4th Workshop on Controlled Natural Language (CNL'14), Davis, B, Kuhn, T, Kaljurand, K. (Eds.). Springer LNAI 8625, 78-89. 20-22 August 2014, Galway, Ireland.

  46. Chavula, C., Keet, C.M. Is Lemon Sufficient for Building Multilingual Ontologies for Bantu Languages? 11th OWL: Experiences and Directions Workshop (OWLED'14). Keet, C.M., Tamma, V. (Eds.). Riva del Garda, Italy, Oct 17-18, 2014. CEUR-WS vol. 1265, 61-72.

  47. M. Jarrar, C.M. Keet, and P. Dongilli. Multilingual verbalization of ORM conceptual models and axiomatized ontologies. STARLab Technical Report, Vrije Universiteit Brussels, Belgium. February 2006. see also tech reports for the supported 10 languages


Granularity

  1. Keet, C.M. Rough Subsumption Reasoning with rOWL. SAICSIT Annual Research Conference 2011 (SAICSIT'11), Cape Town, South Africa, October 3-5, 2011. ACM Conference Proceedings, 133-140.

  2. Keet, C.M. Granularity. Encyclopedia of Systems Biology, W. Dubitzky, O. Wolkenhauer, K. Cho, H. Yokota (eds.), Springer, 2012 (in press).

  3. Keet, C.M. On the feasibility of Description Logic knowledge bases with rough concepts and vague instances. 23rd International Workshop on Description Logics (DL'10), 4-7 May 2010, Waterloo, Canada. supplementary material

  4. Keet, C.M. The granular perspective as semantically enriched granulation hierarchy. International Journal of Granular Computing, Rough Sets and Intelligent Systems, 2011, 2(1): 51-70. DOI: 10.1504/IJGCRSIS.2011.041460 (invited extended version of the GrC'09 paper). published version at IJGCRSIS

  5. Keet, C.M. From granulation hierarchy to granular perspective. IEEE International Conference on Granular Computing (GrC'09), Nanchang, China, August 17-19, 2009. IEEE Computer Society, pp 306-311. see chapter 3 of my PhD thesis for an extended version

  6. Keet, C.M. Structuring GIS information with types of granularity: a case study. VI International Conference on Geomatics (Geomatics'09), 10-12 February 2009, Havana, Cuba.

  7. Keet, C.M. A top-level categorization of types of granularity. In: Novel Developments in Granular Computing: Applications for Advanced Human Reasoning and Soft Computation. JingTao Yao (Ed.). IGI Global. ISBN: 978-1-60566-324-1. 2010. pp81-117. preprint

  8. Keet, C.M. Toward cross-granular querying over modularized ontologies. International Workshop on Ontologies: Reasoning and Modularity (WORM'08). 2 June 2008, Tenerife, Spain. CEUR-WS Vol-348, pp6-17.

  9. Keet, C.M. Granulation with indistinguishability, equivalence or similarity. IEEE International Conference on Granular Computing (GrC'07), San Francisco, November 2-4, 2007. IEEE Computer Society (ISBN 0-7695-3032-X), 11-16. see chapter 3 of my PhD thesis for an extended version

  10. Keet, C.M. Enhancing comprehension of ontologies and conceptual models through abstractions. 10th Congress of the Italian Association for Artificial Intelligence (AI*IA'07), Rome, September 10-13, 2007. Basili, R, Pazienza, M.T. (Eds.) Springer-Verlag, Lecture Notes in Artificial Intelligence, LNAI 4733, 814-822. see chapter 4 of my PhD thesis for an extended version

  11. Keet, C.M. A taxonomy of types of granularity. IEEE International Conference on Granular Computing (GrC'06), Atlanta, USA, May 10-12 2006. IEEE Computer Society (ISBN 1-4244-0134-8) / IEEE Xplore, vol 1, 106-111. see chapter 2 of my PhD thesis for an extended and updated version

  12. Keet, C.M. Using abstractions to facilitate management of large ORM models and ontologies. International Workshop on Object-Role Modeling (ORM'05). Cyprus, 3-4 November 2005. In: OTM Workshops 2005. Halpin, T., Meersman, R. (eds.), Lecture Notes in Computer Science LNCS 3762. Berlin: Springer-Verlag, 2005. pp603-612.

  13. Keet, C.M. and Kumar, A. Applying partitions to infectious diseases. XIX International Congress of the European Federation for Medical Informatics (MIE'05). Geneva, Switzerland, 28-31 August, 2005. In: Connecting Medical Informatics and bio-informatics, Engelbrecht, R., Geissbuhler, A., Lovis, C. Mihalas, G. (eds.). Amsterdam: IOS Press, 2005. pp1236-1241.


Education

  1. Fonseca, C. M., Borbinha, J., Guizzardi, G., Aveiro, D., Liaskos, S, Keet, C.M., Serral, E., Baião, F., Araújo, J., Prince Sales, T., Mira da Silva, M., de Cesare, S., Pinto, H. S., Bellatreche, L., Hacks, S. (Eds.). Companion Proceedings of the 42nd International Conference on Conceptual Modeling: ER Forum, 7th SCME, Project Exhibitions, Posters and Demos, and Doctoral Consortium (ER-Companion 2023), CEUR-WS Vol-3618. Lisbon, Portugal, November 06-09, 2023.
    (as editor of SCME)

  2. Keet, C.M. In-house Developed Tools for Ontology Engineering Education (Demo). Proceedings of the Joint Ontology Workshops 2023 Episode IX: The Quebec Summer of Ontology --FOIS'23 Demonstrations. July 17-20, 2023, Sherbrooke, Canada. CEUR-WS Vol. 3637, paper 51.

  3. Raboanary, T., Wang, S., Keet, C.M. Towards the generalisation of the generation of answerable questions from ontologies for education. International Journal of Metadata, Semantics and Ontologies, 2023, 16(1):86-103.

  4. Raboanary, T., Wang, S., Keet, C.M. Generating Answerable Questions from Ontologies for Educational Exercises. 15th Metadata and Semantics Research Conference (MTSR'21). Garoufallou, E., Ovalle-Perandones, M-A., Vlachidis, A (Eds.). Springer CCIS vol. 1537, 28-40. 29 Nov - 3 Dec, online.

  5. Keet, C.M. The African Wildlife Ontology tutorial ontologies. Journal of Biomedical Semantics, 2020, 11:4.

  6. Gilbert, N, Keet, C.M. Automating question generation and marking of language learning exercises for isiZulu. 6th International Workshop on Controlled Natural language (CNL'18). IOS Press, FAIA vol 304, 31-40. Co. Kildare, Ireland, 27-28 August 2018.

  7. Keet, C.M. An Introduction to Ontology Engineering. College Publications, volume 20, November 2018, 344p. (and v1.5 in 2020)

  8. Keet, C.M. Augmenting CS1 courses with a semester-long contest. CLI Symposium 2016, May 15-18, Phuket, Thailand (at the ICPC World Finals 2016)

  9. Keet, C.M. An Experiment with Peer Instruction in Computer Science to Enhance Class Attendance. 23rd Annual Meeting of the Southern African Association for Research in Mathematics, Science, and Technology Education (SAARMSTE'15). Huillet, E. (Ed.), pp319-331. 13-16 January 2015, Maputo, Mozambique.

  10. Zwane, N., Silubonde, S., Keet, C.M. VocabLift: Computer-based word games to learn vocabulary of multiple languages. 6th Workshop on African Language Technology (AfLaT'14), 27-28 Nov, 2014, Cape Town, South Africa. [software demo]

  11. Keet, C.M. (2013). An Assessment of Theory of Computation in Computer Science Curricula. 21st Annual Meeting of the Southern African Association for Research in Mathematics, Science, and Technology Education (SAARMSTE'13). BellVille, South Africa, January 14-17, 2013.



Varia

  1. Book reviews
    1. Keet, C.M. (2012). Book review "Artificial Intelligence: The Basics" by Kevin Warwick. International Studies in the Philosophy of Science, 2012, 26(3): 351-354.

    2. Keet, C.M. (2008). Book review "The Changing Dynamic of Cuban Civil Society" by Gray and Kapcia. Latin American Politics and Society, 2008, 50(4): 189-192. preprint

  2. Politics etc
    1. Giuliano Pontara. (2011). The nonviolent personality. Translated and edited by C.M. Keet. (low bandwidth version)

    2. Keet, C.M. (2009). Dirty wars, databases, and indices. Peace & Conflict Review 4(1):75-78.

    3. Keet, C.M. (2009). Games tegen terrorisme en voor conflictoplossing. Vredesterts, April 2009, issue 49. preprint

    4. Keet, C.M. (2008). Book review "The Changing Dynamic of Cuban Civil Society" by Gray and Kapcia. Latin American Politics and Society, 2008, 50(4): 189-192. preprint

    5. Keet, M. Interview with the Hizbollah webmaster. Sesame, 2003, 217:22.

    6. Keet, M. The role of Pakistan in deterring terrorism. An Focal, 2003, 13,11:24.

    7. Keet, C.M. (2003). Towards a resolution of terrorism using game theory - coalitions, negotiations and audience costs. Dept of Politics and Public Admin Working Papers, University of Limerick. Number 1, December '03. preprint

    8. Keet, C.M. (2003). Democracy in the European Union. UL Perspectives, Journal of Political Studies, 2, 71-80. Preprint: html pdf

  3. Magazine/news articles and popular media
    1. Maria Keet. A computer science technique could help gauge when the pandemic is 'over'. The Conversation, 20 March 2022. (Republised widely, including by The Next Web and The Raw Story)

    2. Teodora Petkova (with Maria Keet). Ontology Engineering and the Love for Modeling and Analysis: A Dialogue with Maria Keet, January 25, 2022.

      3. Maria (Marijke) Keet. No taming of the enthusiast -- a scenic route into computer science. Porcupine Press. November 2021.

    3. Helen Swingler (with Maria Keet). Award for world-first textbook on ontological engineering. UCT News, 14 October 2021.

    4. Maria Keet. How we're making the tools to connect isiXhosa and isiZulu to the digital age. The Conversation, 12 March 2018. (Republised widely, including by News24/CityPress, Mail & Guardian, and Phys.org)

PhD Thesis

Keet, C.M. A Formal Theory of Granularity. PhD Thesis, KRDB Research Centre, Faculty of Computer Science, Free University of Bozen-Bolzano, Italy. 2008.