An interactive system for the construction and animation of systems dynamics models. - James P. Delgrande; Leslie Mezei (Comput. Graph., 1979)

A graph-theoretic language extension for an interactive computer graphics environment. - James P. Delgrande (Comput. Graph., 1980)

Knowledge Representation: Features of Knowledge. - James P. Delgrande; John Mylopoulos (Advanced Course: Fundamentals of Artificial Intelligence, 1985)

A foundational approach to conjecture and knowledge in knowledge bases. - James P. Delgrande (1985)

An Approach to Default Reasoning Based on a First-Order Conditional Logic. - James P. Delgrande (AAAI, 1987)

A Logic for Representing Default and Prototypical Properties. - James P. Delgrande (IJCAI, 1987)

Formal Limits on the Automatic Generation and Maintenance of Integrity Constraints. - James P. Delgrande (PODS, 1987)

A First-Order Conditional Logic for Prototypical Properties. - James P. Delgrande (Artif. Intell., 1987)

A foundational approach to autonomous knowledge acquisition. - James P. Delgrande (Comput. Intell., 1987)

A Formal Approach to Learning from Examples. - James P. Delgrande (Int. J. Man Mach. Stud., 1987)

Tableau-Based Theorem Proving In Normal Conditional Logics. - Chris Groeneboer; James P. Delgrande (AAAI, 1988)

An Approach to Default Reasoning Based on a First-Order Conditional Logic: Revised Report. - James P. Delgrande (Artif. Intell., 1988)

A note on evidence, confirmation in machine learning. - James P. Delgrande (Comput. Intell., 1989)

An investigation of modal structures as an alternative semantic basis for epistemic logics. - Sharon J. Hamilton; James P. Delgrande (Comput. Intell., 1989)

A Semantically Justified Approach to Nonmonotonic Reasoning in Logic Programming: Extended Abstract. - James P. Delgrande (LPNMR, 1990)

A general approach for determining the validity of commonsense assertions using conditional logics. - Chris Groeneboer; James P. Delgrande (Int. J. Intell. Syst., 1990)

Incorporating Nonmonotonic Reasoning in Horn Clause Theories. - James P. Delgrande (AAAI, 1991)

Default Logic Revisited. - James P. Delgrande; W. Ken Jackson (KR, 1991)

Accessibility in Logics of Explicit Belief. - James P. Delgrande (KR, 1992)

Time Units and Calendars. - Diana Cukierman; James P. Delgrande (AAAI, 1994)

A Preference-Based Approach to Default Reasoning: Preliminary Report. - James P. Delgrande (AAAI, 1994)

Incorporating Specificity into Circumscriptive Theories. - James P. Delgrande; Torsten Schaub (KI, 1994)

A General Approach to Specificity in Default Reasoning. - James P. Delgrande; Torsten Schaub (KR, 1994)

Alternative Approaches to Default Logic. - James P. Delgrande; Torsten Schaub; W. Ken Jackson (Artif. Intell., 1994)

On a General Approach to Hedged Reasoning. - James P. Delgrande (Comput. Intell., 1994)

Syntactic Conditional Closures for Defeasible Reasoning. - James P. Delgrande (IJCAI, 1995)

A Framework for Logics of Explicit Belief. - James P. Delgrande (Comput. Intell., 1995)

Characterizing Temporal Repetition. - Diana Cukierman; James P. Delgrande (AAAI/IAAI, Vol. 2, 1996)

A Representation for Efficient Temporal Reasoning. - James P. Delgrande; Arvind Gupta (AAAI/IAAI, Vol. 1, 1996)

The Complexity of Minimum Partial Truth Assignments and Implication in Negation-Free Formulae. - James P. Delgrande; Arvind Gupta (Ann. Math. Artif. Intell., 1996)

Compiling Reasoning with and about Preferences into Default Logic. - James P. Delgrande; Torsten Schaub (IJCAI (1), 1997)

Compiling Specificity Into Approaches to Nonmonotonic Reasoning. - James P. Delgrande; Torsten Schaub (Artif. Intell., 1997)

Revising TimeGraph-II. - James P. Delgrande; Arvind Gupta (Canadian AI, 1998)

Reasoning with Sets of Preferences in Default Logic. - James P. Delgrande; Torsten Schaub (PRICAI, 1998)

Towards a Formal Characterization of Temporal Repetition with Closed Time. - Diana Cukierman; James P. Delgrande (TIME, 1998)

On First-Order Conditional Logics. - James P. Delgrande (Artif. Intell., 1998)

Expressing Time Intervals and Repetition within a Formalization of Calendars. - Diana Cukierman; James P. Delgrande (Comput. Intell., 1998)

Point-Based Approaches to Qualitative Temporal Reasoning. - James P. Delgrande; Arvind Gupta; Tim Van Allen (AAAI/IAAI, 1999)

Considerations on a Similarity-Based Approach to Beleif Change. - James P. Delgrande (IJCAI, 1999)

A Consistency-Based Model for Belief Change: Preliminary Report. - James P. Delgrande; Torsten Schaub (AAAI/IAAI, 2000)

Considerations on Compositional Update Operators. - Matthew Suderman; James P. Delgrande (AI, 2000)

A Formalization of Structured Temporal Objects and Repetition. - Diana Cukierman; James P. Delgrande (ECAI, 2000)

Logic Programs with Compiled Preferences. - James P. Delgrande; Torsten Schaub; Hans Tompits (ECAI, 2000)

A Compilation of Brewka and Eiter's Approach to Prioritization. - James P. Delgrande; Torsten Schaub; Hans Tompits (JELIA, 2000)

Expressing preferences in default logic. - James P. Delgrande; Torsten Schaub (Artif. Intell., 2000)

A Compiler for Ordered Logic Programs - James P. Delgrande; Torsten Schaub; Hans Tompits (CoRR, 2000)

Knowledge and Planning in an Action-Based Multi-agent Framework: A Case Study. - Bradley Bart; James P. Delgrande; Oliver Schulte (AI, 2001)

How to Reason Credulously and Skeptically within a Single Extension. - James P. Delgrande; Torsten Schaub (ECSQARU, 2001)

On Computing Solutions to Belief Change Scenarios. - James P. Delgrande; Torsten Schaub; Hans Tompits; Stefan Woltran (ECSQARU, 2001)

plp: A Generic Compiler for Ordered Logic Programs. - James P. Delgrande; Torsten Schaub; Hans Tompits (LPNMR, 2001)

A comparison of point-based approaches to qualitative temporal reasoning. - James P. Delgrande; Arvind Gupta; Tim Van Allen (Artif. Intell., 2001)

COBA: A Consistency-Based Belief Revision System. - James P. Delgrande; Aaron Hunter 001; Torsten Schaub (JELIA, 2002)

AAAI 2002 Workshops. - M. Brian Blake; Karen Zita Haigh; Henry Hexmoor; Rino Falcone; Leen-Kiat Soh; Chitta Baral; Sheila A. McIlraith; Piotr J. Gmytrasiewicz; Simon Parsons; Rainer Malaka; Antonio Krüger; Paolo Bouquet; et al. (AI Mag., 2002)

Updating <=, <-chains. - James P. Delgrande; Arvind Gupta (Inf. Process. Lett., 2002)

Reasoning Credulously and skeptically within a single extension. - James P. Delgrande; Torsten Schaub (J. Appl. Non Class. Logics, 2002)

Lukaszewicz-style Answer Set Programming: A Preliminary Report. - James P. Delgrande; Mona Gharib; Robert E. Mercer; Vincent Risch; Torsten Schaub (Answer Set Programming, 2003)

On the Relation between Reiter's Default Logic and Its (Major). - James P. Delgrande; Torsten Schaub (ECSQARU, 2003)

Weak Conditional Logics of Normality. - James P. Delgrande (IJCAI, 2003)

Prolegomenon to a Theory of Conservative Belief Revision. - James P. Delgrande; Abhaya C. Nayak; Maurice Pagnucco (IJCAI, 2003)

A consistency-based approach for belief change. - James P. Delgrande; Torsten Schaub (Artif. Intell., 2003)

A Framework for Compiling Preferences in Logic Programs. - James P. Delgrande; Torsten Schaub; Hans Tompits (Theory Pract. Log. Program., 2003)

Conservative Belief Revision. - James P. Delgrande; Abhaya C. Nayak; Maurice Pagnucco (AAAI, 2004)

A Theory for Convex Interval Relations including Unbounded Intervals. - Diana Cukierman; James P. Delgrande (FLAIRS, 2004)

Two Approaches to Merging Knowledge Bases. - James P. Delgrande; Torsten Schaub (JELIA, 2004)

Domain-Specific Preferences for Causal Reasoning and Planning. - James P. Delgrande; Torsten Schaub; Hans Tompits (KR, 2004)

Preliminary considerations on the modelling of belief change operators by metric spaces. - James P. Delgrande (NMR, 2004)

Consistency-based approaches to merging knowledge bases: preliminary report. - James P. Delgrande; Torsten Schaub (NMR, 2004)

The SOL Time Theory: A Formalization of Structured Temporal Objects and Repetition. - Diana Cukierman; James P. Delgrande (TIME, 2004)

Representing von Neumann-Morgenstern Games in the Situation Calculus. - Oliver Schulte; James P. Delgrande (Ann. Math. Artif. Intell., 2004)

Reasoning with Sets of Defaults in Default Logic. - James P. Delgrande; Torsten Schaub (Comput. Intell., 2004)

A Classification and Survey of Preference Handling Approaches in Nonmonotonic Reasoning. - James P. Delgrande; Torsten Schaub; Hans Tompits; Kewen Wang 001 (Comput. Intell., 2004)

On Computing Belief Change Operations using Quantified Boolean Formulas. - James P. Delgrande; Torsten Schaub; Hans Tompits; Stefan Woltran (J. Log. Comput., 2004)

05321 Executive Summary - Belief Change in Rational Agents: Perspectives from Artificial Intelligence, Philosophy, and Economics. - James P. Delgrande; Jérôme Lang; Hans Rott; Jean-Marc Tallon (Belief Change in Rational Agents, 2005)

05321 Abstracts Collection - Belief Change in Rational Agents: Perspectives from Artificial Intelligence, Philosophy, and Economics. - James P. Delgrande; Jérôme Lang; Hans Rott; Jean-Marc Tallon (Belief Change in Rational Agents, 2005)

05321 - Panel on belief change. - Isaac Levi; Giacomo Bonanno; Bernard Walliser; Didier Dubois; Hans Rott; James P. Delgrande; Jérôme Lang (Belief Change in Rational Agents, 2005)

Iterated Belief Change: A Transition System Approach. - Aaron Hunter 001; James P. Delgrande (IJCAI, 2005)

Expressing Default Logic Variants in Default Logic. - James P. Delgrande; Torsten Schaub (J. Log. Comput., 2005)

Gricean Belief Change. - James P. Delgrande; Abhaya C. Nayak; Maurice Pagnucco (Stud Logica, 2005)

Belief Change in the Context of Fallible Actions and Observations. - Aaron Hunter 001; James P. Delgrande (AAAI, 2006)

Iterated Revision as Prioritized Merging. - James P. Delgrande; Didier Dubois; Jérôme Lang (KR, 2006)

On a rule-based interpretation of default conditionals. - James P. Delgrande (Ann. Math. Artif. Intell., 2006)

Belief Change and Cryptographic Protocol Verification. - Aaron Hunter 001; James P. Delgrande (AAAI, 2007)

An Explicit Model of Belief Change for Cryptographic Protocol Verification. - Aaron Hunter 001; James P. Delgrande (AAAI Spring Symposium: Logical Formalizations of Commonsense Reasoning, 2007)

07351 Executive Summary - Formal Models of Belief Change in Rational Agents. - Giacomo Bonanno; James P. Delgrande; Jérôme Lang; Hans Rott (Formal Models of Belief Change in Rational Agents, 2007)

07351 Abstracts Collection - Formal Models of Belief Change in Rational Agents. - Giacomo Bonanno; James P. Delgrande; Jérôme Lang; Hans Rott (Formal Models of Belief Change in Rational Agents, 2007)

COBA 2.0: A Consistency-Based Belief Change System. - James P. Delgrande; Daphne H. Liu; Torsten Schaub; Sven Thiele (ECSQARU, 2007)

Compositional Belief Update. - James P. Delgrande; Francis Jeffry Pelletier; Matthew Suderman (FLAIRS, 2007)

Belief Change Based on Global Minimisation. - James P. Delgrande; Jérôme Lang; Torsten Schaub (IJCAI, 2007)

An Action Description Language for Iterated Belief Change. - Aaron Hunter 001; James P. Delgrande (IJCAI, 2007)

A Preference-Based Framework for Updating Logic Programs. - James P. Delgrande; Torsten Schaub; Hans Tompits (LPNMR, 2007)

Using Answer Sets to Solve Belief Change Problems. - Aaron Hunter 001; James P. Delgrande; Joel Faber (LPNMR, 2007)

A consistency-based framework for merging knowledge bases. - James P. Delgrande; Torsten Schaub (J. Appl. Log., 2007)

A General Framework for Expressing Preferences in Causal Reasoning and Planning. - James P. Delgrande; Torsten Schaub; Hans Tompits (J. Log. Comput., 2007)

Parallel Belief Revision. - James P. Delgrande; Yi Jin 006 (AAAI, 2008)

Horn Clause Belief Change: Contraction Functions. - James P. Delgrande (KR, 2008)

Belief Revision of Logic Programs under Answer Set Semantics. - James P. Delgrande; Torsten Schaub; Hans Tompits; Stefan Woltran (KR, 2008)

Compositional Belief Update. - James P. Delgrande; Yi Jin 006; Francis Jeffry Pelletier (J. Artif. Intell. Res., 2008)

Preface. - James P. Delgrande; Jérôme Lang; Hans Rott (J. Log. Comput., 2008)

09351 Abstracts Collection - Information processing, rational belief change and social interaction. - Giacomo Bonanno; James P. Delgrande; Hans Rott (Information processing, rational belief change and social interaction, 2009)

09351 Executive Summary - Information processing, rational belief change and social interaction. - Giacomo Bonanno; James P. Delgrande; Hans Rott (Information processing, rational belief change and social interaction, 2009)

Merging Logic Programs under Answer Set Semantics. - James P. Delgrande; Torsten Schaub; Hans Tompits; Stefan Woltran (ICLP, 2009)

What Next for ASP? (A Not-Entirely-Well-Informed Opinion). - James P. Delgrande (LPNMR, 2009)

A General Approach to the Verification of Cryptographic Protocols Using Answer Set Programming. - James P. Delgrande; Torsten Grote; Aaron Hunter 001 (LPNMR, 2009)

Optimal Multicore Scheduling: An Application of ASP Techniques. - Viren Kumar; James P. Delgrande (LPNMR, 2009)

A general approach to belief change in answer set programming - James P. Delgrande; Torsten Schaub; Hans Tompits; Stefan Woltran (CoRR, 2009)

Special Issue on Formal Models of Belief Change in Rational Agents. - Giacomo Bonanno; James P. Delgrande; Jérôme Lang; Hans Rott (J. Appl. Log., 2009)

Horn Clause Contraction Functions: Belief Set and Belief Base Approaches. - James P. Delgrande; Renata Wassermann (KR, 2010)

On the representation and verification of cryptographic protocols in a theory of action. - James P. Delgrande; Aaron Hunter 001; Torsten Grote (PST, 2010)

A program-level approach to revising logic programs under the answer set semantics. - James P. Delgrande (Theory Pract. Log. Program., 2010)

Revising by an Inconsistent Set of Formulas. - James P. Delgrande (IJCAI, 2011)

Revising Horn Theories. - James P. Delgrande; Pavlos Peppas (IJCAI, 2011)

Iterated Belief Change Due to Actions and Observations. - Aaron Hunter 001; James P. Delgrande (J. Artif. Intell. Res., 2011)

Considerations on Belief Revision in an Action Theory. - James P. Delgrande (Correct Reasoning, 2012)

Belief Revision with Sensing and Fallible Actions. - James P. Delgrande; Hector J. Levesque (KR, 2012)

Parallel belief revision: Revising by sets of formulas. - James P. Delgrande; Yi Jin 006 (Artif. Intell., 2012)

Foundations and Challenges of Change and Evolution in Ontologies (Dagstuhl Seminar 12441). - James P. Delgrande; Thomas Meyer 002; Ulrike Sattler (Dagstuhl Reports, 2012)

Revising beliefs on the basis of evidence. - James P. Delgrande (Int. J. Approx. Reason., 2012)

Guest Editors' Introduction. - Giacomo Bonanno; James P. Delgrande; Hans Rott (J. Philos. Log., 2012)

Protocol Verification in a Theory of Action. - Aaron Hunter 001; James P. Delgrande; Ryan McBride (Canadian AI, 2013)

An Application of Answer Set Programming for Situational Analysis in a Maritime Traffic Domain. - Zahra Vaseqi; James P. Delgrande (Canadian AI, 2013)

A Formal Account of Nondeterministic and Failed Actions. - James P. Delgrande; Hector J. Levesque (IJCAI, 2013)

AGM-Style Belief Revision of Logic Programs under Answer Set Semantics. - James P. Delgrande; Pavlos Peppas; Stefan Woltran (LPNMR, 2013)

Horn Clause Contraction Functions. - James P. Delgrande; Renata Wassermann (J. Artif. Intell. Res., 2013)

A Model-Theoretic Approach to Belief Change in Answer Set Programming. - James P. Delgrande; Torsten Schaub; Hans Tompits; Stefan Woltran (ACM Trans. Comput. Log., 2013)

Towards a Knowledge Level Analysis of Forgetting. - James P. Delgrande (KR, 2014)

Belief Change and Base Dependence. - Mehrdad Oveisi; James P. Delgrande; Francis Jeffry Pelletier; Fred Popowich (KR, 2014)

An Approach to Forgetting in Disjunctive Logic Programs that Preserves Strong Equivalence. - James P. Delgrande; Kewen Wang 001 (CoRR, 2014)

asprin: Customizing Answer Set Preferences without a Headache. - Gerhard Brewka; James P. Delgrande; Javier Romero 003; Torsten Schaub (AAAI, 2015)

A Syntax-Independent Approach to Forgetting in Disjunctive Logic Programs. - James P. Delgrande; Kewen Wang 001 (AAAI, 2015)

The Logic of Qualitative Probability. - James P. Delgrande; Bryan Renne (IJCAI, 2015)

Kernel Contraction and Base Dependence: Redundancy in the Base Resulting in Different Types of Dependence. - Mehrdad Oveisi; James P. Delgrande; Fred Popowich; Francis Jeffry Pelletier (IJCAI, 2015)

Extending AGM Contraction to Arbitrary Logics. - Zhiqiang Zhuang; Zhe Wang 001; Kewen Wang 001; James P. Delgrande (IJCAI, 2015)

Implementing Preferences with asprin. - Gerhard Brewka; James P. Delgrande; Javier Romero 003; Torsten Schaub (LPNMR, 2015)

An Implementation of Consistency-Based Multi-agent Belief Change Using ASP. - Paul Vicol; James P. Delgrande; Torsten Schaub (LPNMR, 2015)

Belief revision in Horn theories. - James P. Delgrande; Pavlos Peppas (Artif. Intell., 2015)

Belief Change with Uncertain Action Histories. - Aaron Hunter 001; James P. Delgrande (J. Artif. Intell. Res., 2015)

Guest Editors' Introduction. - James P. Delgrande; Jérôme Lang (J. Philos. Log., 2015)

On a Minimal Logic of Default Conditionals. - James P. Delgrande; Bryan Renne (Computational Models of Rationality, 2016)

A Minimization-Based Approach to Iterated Multi-Agent Belief Change. - Paul Vicol; James P. Delgrande; Torsten Schaub (ECAI, 2016)

Reconsidering AGM-Style Belief Revision in the Context of Logic Programs. - Zhiqiang Zhuang; James P. Delgrande; Abhaya C. Nayak; Abdul Sattar 001 (ECAI, 2016)

A New Approach for Revising Logic Programs. - Zhiqiang Zhuang; James P. Delgrande; Abhaya C. Nayak; Abdul Sattar 001 (CoRR, 2016)

On the Role of Possibility in Action Execution and Knowledge in the Situation Calculus. - Vahid Vaezian; James P. Delgrande (Canadian AI, 2017)

A Study of Kernel Contraction in EL. - Amr Dawood; James P. Delgrande; Zhiwei Liao (COMMONSENSE, 2017)

A Unifying Framework for Probabilistic Belief Revision. - Zhiqiang Zhuang; James P. Delgrande; Abhaya C. Nayak; Abdul Sattar 001 (IJCAI, 2017)

A Knowledge Level Account of Forgetting. - James P. Delgrande (J. Artif. Intell. Res., 2017)

Kernel Contraction and Base Dependence. - Mehrdad Oveisi; James P. Delgrande; Francis Jeffry Pelletier; Fred Popowich (J. Artif. Intell. Res., 2017)

Incorporating Relevance in Epistemic States in Belief Revision. - James P. Delgrande; Pavlos Peppas (KR, 2018)

General Belief Revision. - James P. Delgrande; Pavlos Peppas; Stefan Woltran (J. ACM, 2018)

The logic of qualitative probability. - James P. Delgrande; Bryan Renne; Joshua Sack (Artif. Intell., 2019)

A Generalisation of AGM Contraction and Revision to Fragments of First-Order Logic. - Zhiqiang Zhuang; Zhe Wang 001; Kewen Wang 001; James P. Delgrande (J. Artif. Intell. Res., 2019)

An Epistemic Approach to Nondeterminism: Believing in the Simplest Course of Events. - James P. Delgrande; Hector J. Levesque (Stud Logica, 2019)

Dyadic Obligations over Complex Actions as Deontic Constraints in the Situation Calculus. - Jens Claßen; James P. Delgrande (KR, 2020)

A Preference-Based Approach to Defeasible Deontic Inference. - James P. Delgrande (KR, 2020)

An Account of Intensional and Extensional Actions, and its Application to Belief, Nondeterministic Actions and Fallible Sensors. - Jens Claßen; James P. Delgrande (KR, 2021)

Using Conditional Independence for Belief Revision. - Matthew James Lynn; James P. Delgrande; Pavlos Peppas (AAAI, 2022)

Epistemic Logic of Likelihood and Belief. - James P. Delgrande; Joshua Sack; Gerhard Lakemeyer; Maurice Pagnucco (IJCAI, 2022)

Projection of Belief in the Presence of Nondeterministic Actions and Fallible Sensing. - Jens Claßen; James P. Delgrande (KR, 2022)

Current and Future Challenges in Knowledge Representation and Reasoning (Dagstuhl Seminar 22282). - James P. Delgrande; Birte Glimm; Thomas Meyer 002; Miroslaw Truszczynski; Milene Santos Teixeira; Frank Wolter (Dagstuhl Reports, 2022)

Current and Future Challenges in Knowledge Representation and Reasoning. - James P. Delgrande; Birte Glimm; Thomas Andreas Meyer; Miroslaw Truszczynski; Frank Wolter (CoRR, 2023)

A general framework for preferences in answer set programming. - Gerhard Brewka; James P. Delgrande; Javier Romero 003; Torsten Schaub (Artif. Intell., 2023)

Current and Future Challenges in Knowledge Representation and Reasoning (Dagstuhl Perspectives Workshop 22282). - James P. Delgrande; Birte Glimm; Thomas Meyer 002; Miroslaw Truszczynski; Frank Wolter (Dagstuhl Manifestos, 2024)