| 2006 | A Blueprint for a Calculator of Intensions. Alik Pelman |
| 2006 | A Dynamic Theory of Ontology. John F. Sowa |
| 2006 | A Reusable Ontology for Fluents in OWL. Christopher A. Welty, Richard Fikes |
| 2006 | A theory of granular parthood based on qualitative cardinality and size measures. Thomas Bittner, Maureen Donnelly |
| 2006 | Against Idiosyncrasy in Ontology Development. Barry Smith |
| 2006 | An Algebra for Composing Ontologies. Saket Kaushik, Csilla Farkas, Duminda Wijesekera, Paul Ammann |
| 2006 | Approximation of Ontologies in CASL. Klaus Lüttich |
| 2006 | Behavior of a Technical Artifact: An Ontological Perspective in Engineering. Stefano Borgo, Massimiliano Carrara, Pieter E. Vermaas, Pawel Garbacz |
| 2006 | Distinctions Produce a Taxonomic Lattice: Are These the Units of Mentalese? Andrew U. Frank |
| 2006 | Formal Ontology in Information Systems, Proceedings of the Fourth International Conference, FOIS 2006, Baltimore, Maryland, USA, November 9-11, 2006 Brandon Bennett, Christiane Fellbaum |
| 2006 | Formalizing Ontology Alignment and its Operations with Category Theory. Antoine Zimmermann, Markus Krötzsch, Jérôme Euzenat, Pascal Hitzler |
| 2006 | From GENIA to BIOTOP - Towards a Top-Level Ontology for Biology. Stefan Schulz, Elena Beisswanger, Udo Hahn, Joachim Wermter, Anand Kumar, Holger Stenzhorn |
| 2006 | Linking FrameNet to the Suggested Upper Merged Ontology. Jan Scheffczyk, Adam Pease, Michael Ellsworth |
| 2006 | Linking the Gene Ontology with Social Ontology: A Prolegomena to the Ontology of Personhood. David R. Koepsell |
| 2006 | Modular Ontology Design Using Canonical Building Blocks in the Biochemistry Domain. Christopher J. Thomas, Amit P. Sheth, William S. York |
| 2006 | Nontological Engineering. Waclaw Kusnierczyk |
| 2006 | On What Goes On: The Ontology of Processes and Events. Antony Galton |
| 2006 | OntOWLClean: Cleaning OWL ontologies with OWL. Christopher A. Welty |
| 2006 | PR-OWL: A Framework for Probabilistic Ontologies. Paulo Cesar G. da Costa, Kathryn B. Laskey |
| 2006 | Principles for the Development of Upper Ontologies in Higher-level Information Fusion Applications. Eric Little, Lowell Vizenor |
| 2006 | Problems of Scale in Building, Maintaining and Using Very Large Formal Ontologies. Douglas B. Lenat |
| 2006 | Qualities in Possible Worlds. Stefano Borgo, Claudio Masolo |
| 2006 | Simultaneous Events and the "Once-Only" Effect. Haythem O. Ismail |
| 2006 | Spatial Dimensionality as a Classification Criterion for Qualities. Florian Probst, Martin Espeter |
| 2006 | Temporal Qualification and Change with First-Order Binary Predicates. Pierre Grenon |
| 2006 | The Image as Spatial Region: Location and Adjacency within the Radiological Image. James Matthew Fielding, Dirk Marwede |
| 2006 | The Instrumental Stit A Study of Action and Instrument. Pawel Garbacz |
| 2006 | Towards A Realism-Based Metric for Quality Assurance in Ontology Matching. Werner Ceusters |
| 2006 | Towards Foundational Semantics - Ontological Semantics Revisited. Philipp Cimiano, Uwe Reyle |
| 2006 | Towards an ontology of agency and action From STIT to OntoSTIT+. Nicolas Troquard, Robert Trypuz, Laure Vieu |
| 2006 | Using Selectional Restrictions to Query an OWL Ontology. Leila Kosseim, Reda Siblini, Christopher J. O. Baker, Sabine Bergler |
| 2006 | What is a Biological Function? Patricia Diaz-Herrera |