Learning to monitor a machine tool. - Mieczyslaw M. Kokar; Jerzy Letkowski; Thomas F. Callahan (J. Intell. Robotic Syst., 1995)

Extending UML to Support Ontology Engineering for the Semantic Web. - Kenneth Baclawski; Mieczyslaw M. Kokar; Paul A. Kogut; Lewis Hart; Jeffrey E. Smith; William S. Holmes III; Jerzy Letkowski; Michael L. Aronson (UML, 2001)

Consistency Checking of RM-ODP Specifications. - Kenneth Baclawski; Mieczyslaw M. Kokar; Jeffrey E. Smith; Jerzy Letkowski (WOODPECKER, 2001)

Extending the Unified Modeling Language for ontology development. - Kenneth Baclawski; Mieczyslaw M. Kokar; Paul A. Kogut; Lewis Hart; Jeffrey E. Smith; Jerzy Letkowski; Pat Emery (Softw. Syst. Model., 2002)

Constructing RuleML-Based Domain Theories on Top of OWL Ontologies. - Christopher J. Matheus; Mieczyslaw M. Kokar; Kenneth Baclawski; Jerzy Letkowski (RuleML, 2003)

Towards a Symptom Ontology for Semantic Web Applications. - Kenneth Baclawski; Christopher J. Matheus; Mieczyslaw M. Kokar; Jerzy Letkowski; Paul A. Kogut (ISWC, 2004)

Using SWRL and OWL to Capture Domain Knowledge for a Situation Awareness Application Applied to a Supply Logistics Scenario. - Christopher J. Matheus; Kenneth Baclawski; Mieczyslaw M. Kokar; Jerzy Letkowski (RuleML, 2005)

An Application of Semantic Web Technologies to Situation Awareness. - Christopher J. Matheus; Mieczyslaw M. Kokar; Kenneth Baclawski; Jerzy Letkowski (ISWC, 2005)

Applying Semantic Web Reasoning to Counter-Terrorism. - Paul A. Kogut; Yui Leung; Kathleen Ryan; Linda Gohari; Mieczyslaw M. Kokar; Jerzy Letkowski (Emergent Information Technologies and Enabling Policies for Counter-Terrorism, 2006)

Augmenting the analyst via situation-dependent reasoning with trust-annotated facts. - Brian Ulicny; Gerald M. Powell; Chester Brown; Mieczyslaw M. Kokar; Christopher J. Matheus; Jerzy Letkowski (CogSIMA, 2011)