| 623 | -- | 624 | Nicola Guarino, Roberto Poli. Editorial: The role of formal ontology in the information technology |
| 625 | -- | 640 | Nicola Guarino. Formal ontology, conceptual analysis and knowledge representation |
| 641 | -- | 667 | Barry Smith. Formal ontology, common sense and cognitive science |
| 669 | -- | 685 | John F. Sowa. Top-level ontological categories |
| 687 | -- | 696 | Roberto Poli. Bimodality of formal ontology and mereology |
| 697 | -- | 721 | Nino B. Cocchiarella. Knowledge representation in conceptual realism |
| 723 | -- | 740 | Carola Eschenbach, Wolfgang Heydrich. Classical mereology and restricted domains |
| 741 | -- | 763 | Jean Petitot. Sheaf mereology and Husserl s morphological ontology |
| 765 | -- | 784 | Godehard Link. Algebraic semantics for natural language: some philosophy, some application |
| 785 | -- | 807 | Johannes Dölling. ntological domains, semantic sorts and systematic ambiguity |
| 809 | -- | 818 | Kathleen Dahlgren. A linguistic ontology |
| 819 | -- | 830 | Jerry R. Hobbs. Sketch of an ontology underlying the way we talk about the world |
| 831 | -- | 846 | Anthony G. Cohn, David A. Randell, Zhan Cui. Taxonomies of logically defined qualitative spatial relations |
| 847 | -- | 863 | Paolo Terenziani. Towards a causal ontology coping with the temporal constraints between causes and effects |
| 865 | -- | 889 | Peter Gerstl, Simone Pribbenow. Midwinters, end games, and body parts: a classification of part-whole relations |
| 891 | -- | 906 | Flavio Bonfatti, Luca Pazzi. Ontological foundations for state and identity within the object-oriented paradigm |
| 907 | -- | 928 | Thomas R. Gruber. Toward principles for the design of ontologies used for knowledge sharing? |
| 929 | -- | 944 | John A. Bateman. On the relationship between ontology construction and natural language: a socio-semiotic view |
| 945 | -- | 965 | Thomas Pirlein, Rudi Studer. An environment for reusing ontologies within a knowledge engineering approach |