Index Advanced Research with Autonomous Unmanned Aerial Vehicles, 731 Agents, 234 Allen, Paul G., 507 Amgoud, Leila, 175, 194 Angele, Jurgen, 507 Approximative Query Techniques for Agents with Heterogeneous Ontologies and Perceptive Capabilities, 459 Argumentation, 174 Automated Reformulation of Specifications by Safe Delay of Constraints, 388 Axiomatizing the Cyclic Interval Calculus, 95 Bacchus, Fahiem, 613 Baget, Jean-François, 407 Baral, Chitta, 554, 720 Barker, Ken, 488, 507 Barrett, Anthony, 654 Belief Revision and Update, 310 Bell, John, 2 Benferhat, Salem, 130 Besnard, Philippe, 183 Bloch, Isabelle, 329 Bochman, Alexander, 427 Boella, Guido, 255 Bonnefon, Jean François, 130 Bottazzi, Emanuele, 267 Breadth-First Heuristic Search, 701 Brewka, Gerhard, 213 C&L Intention Revisited, 527 Cadoli, Marco, 388 Calvanese, Diego, 469 Catenacci, Carola, 267 Causal Logic of Logic Programming, A, 427 Causation and Causal Conditionals, 2 Cayrol, Claudette, 194 Ceusters, Werner, 114 Characterization of Semantics for Argument Systems, 183 Chaudhri, Vinay K., 488, 507 Chaw, Shaw Yi, 488 Chen, XiaoPing, 606 Chopra, Samir, 319 Clark, Peter, 488, 507 Combining Answer Set Programming with Description Logics for the Semantic Web, 141 Compact Representations of Preference, 202 Complex Preferences for Answer Set Optimization, 213 Complexity Analysis, 368 Complexity of Model Checking and Bounded Predicate Arities for Non-ground Answer Set Programming, 377 Condensed Representations for Inductive Logic Programming, 438 Conditioning and Conditional Logics, 1 Condotta, Jean-François, 95 Coste-Marquis, Sylvie, 203 Davis, Ernest, 235 De Giacomo, Giuseppe, 469 De Raedt, Luc, 438 Delgrande, James P., 673 Denecker, Marc, 106, 545 Description Logics, 140 Discovering State Invariants, 536 Distance Semantics for Relevance-Sensitive Belief Revision, 319 Doherty, Patrick, 459, 731 Domain-Specific Preferences for Causal Reasoning and Planning, 673 Doutre, Sylvie, 183 Eiter, Thomas, 141, 377, 447, 720 Eliminating Disjunctions in Stable Logic Programming, On, 447 Eschenbach, Carola, 300 Everaere, Patricia, 357 Evidence and Belief, 733 Experimental Analysis of Possibilistic Default Reasoning, An, 130 KR 2004 743 Expressive Power and Succinctness of Propositional Languages for Preference Representation, 203 Extending the Knowledge-Based Approach to Planning with Incomplete Information and Sensing, 613 Faber, Wolfgang, 377 Fan, James, 488 Ferrario, Roberta, 267 Fielding, James M. , 114 Fink, Michael, 377, 447 First-Order Theory of Communicating First-Order Formulas, A, 235 Fisseler, Jens, 34 Foo, Norman, 311, 319 Four Dimensions of Artifacts, The, 289 Friedland, Noah S., 507 From Hybrid Systems to Universal Plans Via Domain Compilation, 654 Gabaldon, Alfredo, 634 GAI Networks for Utility Elicitation, 224 Galton, Antony, 45 Gangemi, Aldo, 267 Garbacz, Pawel, 289 Géffner, Hector, 662 Gilboa, Itzhak, 733 Glass, David H., 348 GlossOnt: A Concept-focused Ontology Building Tool, 498 Gonzales, Christophe, 224 Great Moments in Knowledge Representation Series, 737 Groot, Perry, 399 Guarino, Nicola, 267 Haarslev, Volker, 163 Hahn, Udo, 55 Halpern, Joseph Y., 12, 121 Hamilton, Margaret, 246 Hansen, Eric A., 701 Harland, James, 246 Herzig, Andreas, 527 Historical Remarks on Nonmonotonic Reasoning, Especially Circumscription, 738 How to Interweave Knowledge about Object Structure and Concepts, 300 Hustadt, Ullrich, 152 744 KR 2004 Improved Integer Local Search for Complex Scheduling Problems, An, 692 Improving the Forward Chaining Algorithm for Conceptual Graphs Rules, 407 Indoor Environment Classification and Perceptual Matching, 73 Inductive Situation Calculus, 545 Inferential Complexity Control for Model-Based Abduction, 415 Intransitivity and Vagueness, 121 Invited Keynote Presentations, 730 Israel, David, 488, 507 Kaelbling, Leslie Pack, 683 Kaneiwa, Ken, 278 Kern-Isberner, Gabriele, 34 Knowledge Discovery by Reversing Inductive Knowledge Representation, 34 Knowledge of Other Agents and Communicative Actions in the Fluent Calculus, 623 Knowledge Representation and Planning, 612 Knowledge Representation Logics, 564 Konieczny, Sébastien, 357 Kwok, Rex, 311 Lakemeyer, Gerhard, 516, 587 Lang, Jérôme, 203, 644 Learning Probabilistic Relational Planning Rules, 683 Lembo, Domenico, 469 Lenzerini, Maurizio, 469 Levesque, Hector J., 516, 587 Liberatore, Paolo, 203 Ligozat, Gérard, 95 Lin, Fangzhen, 536 Liu, Weiru, 348 Liu, Yongmei, 587 Logic-Based Formulation of Active Visual Perception, A, 64 Logic of Arbitrary and Indefinite Objects, A, 565 Logic of Limited Belief for Reasoning with Disjunctive Information, A, 587 Logic of Motion, A, 85 Logic Programming, 426 Logical Foundations of Negotiation: Strategies and Preferences, 311 Longin, Dominique, 527 Lukasiewicz, Thomas, 23, 141 Lukaszewicz, Witold, 459 Lv, Guanfeng, 576 Mailhé, Boris, 338 Majority Logic, 598 Mancini, Toni, 388 Marquis, Pierre, 203, 357 Martin, Yves, 623 Masolo, Claudio, 267 Matthews, Gavin, 507 McCarthy, John, 738 Meaning and Links: A Semantic Odyssey, 740 Merging Belief Bases, 347 Merging Strategy-Proofness, On, 357 Meyer, Thomas, 311 Miraglia, Pierluigi, 507 Mishra, Sunil, 488 Mizoguchi, Riichiro, 278 Möller, Ralf, 163 Motik, Boris, 152 Multidimensional Mereotopology, 45 Narasamdya, Iman, 623 Nau, Dana, 85 Neves, Rui Da Silva, 130 Observation Expectation Reasoning in Agent Systems, 246 Ontological Knowledge Base Reasoning with SortHierarchy and Rigidity, 278 Ontological Theory for Ontological Engineering: Biomedical Systems Information Integration, 114 Ontology, 266 Optimization Techniques for Retrieving Resources Described in OWL/RDF Documents: First Results, 163 Pacuit, Eric, 598 Park, Youngja, 498 Parthood as Spatial Inclusion—Evidence from Biomedical Conceptualizations, 55 Partial Implication Semantics for Desirable Propositions, 606 Pasula, Hanna M., 683 Patel-Schneider, Peter F., 735 Peppas, Pavlos, 319 Perny, Patrice, 224 Petrick, Ronald P. A., 613 Pfeifer, Gerald, 377 Phase Transitions in Classical Planning: An Experimental Study, 710 Philosophical and Psychological Issues, 105 Pino-Pérez, Ramón, 329 Pirri, Fiora, 73 Planning Graphs and Knowledge Compilation, 662 Polynomial-Time Algorithm for Constructing kMaintainable Policies, A, 720 Poole, David, 479 Porter, Bruce, 488, 507 Prade, Henri, 175, 338 Precondition Control and the Progression Algorithm, 634 Preface and Acknowledgements, xi Preference-Based Interpretation of Other Agents’ Actions, A, 644 Program Committee, xv Provan, Gregory, 415 Qi, Guilin, 348 Qualitative Probabilistic Matching with Hierarchical Descriptions, 479 Query Processing for Ontologies, 458 Question-Answering System for AP Chemistry: Assessing KR&R Technologies, A, 488 Ramon, Jan, 438 Randell, David, 64 Reaching Agreement through Argumentation: A Possibilistic Approach, 175 Real Knowledge Representation Systems, 487 Reasoning about Action, 515 Reasoning about Knowledge by Variable Forgetting, 576 Reasoning about Triggered Actions in AnsProlog and Its Application to Molecular Interactions in Cells, 554 Reducing SHIQ- Description Logic to Disjunctive Datalog Programs, 152 Regulative and Constitutive Norms in Normative Multiagent Systems, 255 Rintanen, Jussi, 710 Roelofsen, Floris, 369 Romero, Pedro, 488 Rosati, Riccardo, 469 Salame, Samer, 598 Salay, Nancy, 507 Satisfiability for Propositional Contexts, 369 KR 2004 745 Sattler, Ulrike, 152 Schaub, Torsten, 673 Schindlauer, Roman, 141 Schmeidler, David, 733 Schulz, Stefan, 55 Serafini, Luciano, 369 Shanahan, Murray, 64 Shapiro, Stuart C., 565 Simon, Jonathan, 114 Situations, Si! Situation Terms, No!, 516 Sleeping Beauty Reconsidered: Conditioning and Reflection in Asynchronous Systems, 12 Smith, Barry, 114 Smyth, Clinton, 479 Social Roles and their Descriptions, 267 Space and Time, 84 Spatial Reasoning, 44 Split-Combination Method for Merging Inconsistent Possibilistic Knowledge Bases, A, 348 Staab, Steffen, 507 Su, Kaile, 576 Subrahmanian, V. S., 85 Szalas, Andrzej, 459 Tecuci, Dan, 488 ten Teije, Annette, 399 Ternovska, Eugenia, 545 Thielscher, Michael, 623 Tompits, Hans, 141, 447, 673 Towards a Quantitative, Platform-Independent Analysis of Knowledge Systems, 507 Towards a Structured Analysis of Approximate Problem Solving: A Case Study in Classification, 399 Trân, Bình Vu, 246 Tran, Nam, 554 Unified Treatment for Knowledge Dynamics, A, 329 Updating of a Possibilistic Knowledge Base by Crisp or Fuzzy Transition Rules, 338 Use of an ATMS for Handling Conflicting Desires, On the, 194 Uzcátegui, Carlos, 329 746 KR 2004 van der Torre, Leendert, 255 van Harmelen, Frank, 399 Vieu, Laure, 267 Weak Nonmonotonic Probabilistic Logics, 23 What Is OWL (and Why Should I Care)?, 735 What to Ask to a Peer: Ontology-based Query Reformulation, 469 What's in a Model? Epistemological Analysis of Logic Programming, 106 Witbrock, Michael, 507 Woltran, Stefan, 377, 447 Woods, William A., 740 Yaman, Fusun, 85 Yeh, Peter, 488 Zettlemoyer, Luke S., 683 Zhang, Dongmo, 311 Zhang, Weixiong, 692 Zhang, Xiaotao, 692 Zhang, Yan, 576 Zhou, Rong, 701 Zhou, Yi, 606