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10-14 June 2012
Rome, Italy
13th International Conference on
Principles of Knowledge Representation and Reasoning
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Jan 11-13
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Nov 30
Dec 9
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Jun 10-14

Program

SUNDAY, JUNE 10

10:00-13:15: TUTORIALS (IN PARALLEL) (with 11:30-11:45 Coffee Break)

Modeling and Solving in Answer Set Programming - room B1
Torsten Schaub

Graph-Based Methods for Problem Decomposition - room B2
Georg Gottlob, Gianluigi Greco, Francesco Scarcello

13:15-14:30 LUNCH - roof garden

14:30-17:45 TUTORIALS (IN PARALLEL) (with 16:00-16:15 Coffee Break)

Introduction to Social Choice - room B1
Jerome Lang

IBM Watson - room B2
Alfio M. Gliozzo

17:45-20:00 Reception

MONDAY, JUNE 11

09:00-10:00 LECTURE IN REMEMBRANCE OF JOHN MCCARTHY - room A

Through the Lens of Drosophila:
John McCarthy's Quest for Human-Level Artificial Intelligence

Leora Morgenstern

10:00-10:30 COFFEE - roof garden

10:30-12:30 TECHNICAL SESSIONS (IN PARALLEL)

Belief Revision I - room A

Horn Belief Contraction: Remainders, Envelopes and Complexity
Kira Adaricheva, Robert Sloan, Balazs Szorenyi, Gyorgy Turan

Model Based Horn Contraction
Zhiqiang Zhuang, Maurice Pagnucco

Credibility-Limited Revision Operators in Propositional Logic
Richard Booth, Eduardo Ferme, Sébastien Konieczny and Ramon Pino Perez

Belief Revision with Sensing and Fallible Actions
James P. Delgrande, Hector J. Levesque

Decision Making and Reasoning about Preferences - room B

Paradoxes of Multiple Elections: An Approximation Approach
Vincent Conitzer, Lirong Xia

Strong Equivalence of Qualitative Optimization Problems
Wolfgang Faber, Miroslaw Truszczynski, Stefan Woltran

Ranking Sets of Possibly Interacting Objects Using Shapley Extensions
Stefano Moretti and Alexis Tsoukiàs

An Axiomatic Framework for Influence Diagram Computation with Partially Ordered Utilities
Nic Wilson, Radu Marinescu

12:30-14:00 LUNCH - roof garden

14:00-15:30 SHORT PAPER PRESENTATIONS (2 SESSIONS IN PARALLEL)

SESSION A - room A

- Description Logics

Justification Masking in Ontologies
Matthew Horridge, Bijan Parsia and Ulrike Sattler

The Complexity of Explaining Negative Query Answers in DL-Lite
Diego Calvanese, Magdalena Ortiz, Mantas Simkus and Giorgio Stefanoni

Exchanging Description Logic Knowledge Bases
Marcelo Arenas, Elena Botoeva, Diego Calvanese, Vladislav Ryzhikov and Evgeny Sherkhonov

Extending Unification in EL towards General TBoxes
Franz Baader, Stefan Borgwardt and Barbara Morawska

- Belief Revision

Revising Partial Pre-Orders with Partial Pre-Orders: A Unit-Based Revision Framework
Jianbing Ma, Salem Benferhat and Weiru Liu

Compositional Belief Merging
Patricia Everaere, Sébastien Konieczny and Pierre Marquis

- Argumentation

Weighted Attacks in Argumentation Frameworks
Sylvie Coste-Marquis, Sébastien Konieczny, Pierre Marquis and Mohand Akli

Modelling Time and Reliability in Structured Argumentation Frameworks
Maximiliano Celmo David Budán, Mauro Gómez Lucero, Carlos Iván Chesñevar and Guillermo Ricardo Simari

Efficient Argumentation for Medical Decision-Making
Robert Craven, Francesca Toni, Adrian Hadad and Matthew Williams

SESSION B - room B

- Reasoning and Search

Search Strategy Simulation in Constraint Booleanization
Jinbo Huang

Stream Reasoning with Answer Set Programming: Preliminary Report
Martin Gebser, Torsten Grote, Roland Kaminski, Philipp Obermeier, Orkunt Sabuncu and Torsten Schaub

Towards Parallel Nonmonotonic Reasoning with Billions of Facts
Ilias Tachmazidis, Grigoris Antoniou, Giorgos Flouris and Spyros Kotoulas

Assertion Absorption in Object Queries over Knowledge Bases
Jiewen Wu, Alexander Hudek, David Toman and Grant Weddell

- Logic Programming

Forgetting in Logic Programs under Strong Equivalence
Yisong Wang, Yan Zhang, Yi Zhou and Mingyi Zhang

Worst-case Optimal Reasoning with Forest Logic Programs
Cristina Feier

- Principled Applications

Thinking Inside the Box: A Comprehensive Spatial Representation for Video Analysis
Anthony G. Cohn, Jochen Renz and Muralikrishna Sridhar

Solving Puzzles Described in English by Automated Translation to Answer Set Programming and Learning how to do that Translation
Chitta Baral and Juraj Dzifcak

Achieving Completeness in Bounded Model Checking of Action Theories in ASP
Laura Giordano, Alberto Martelli and Daniele Theseider Dupre'

15:30-16:00 COFFEE - roof garden

16:00-17:00 TECHNICAL SESSIONS (IN PARALLEL)

Uncertainty - room A

A Bipolar Framework for Combining Beliefs about Vague Propositions
Jonathan Lawry, Didier Dubois

Stable Models in Generalized Possibilistic Logic
Didier Dubois, Henri Prade, Steven Schockaert

Reports from the Field - room B

JASP: A Framework for Integrating Answer Set Programming with Java
Onofrio Febbraro, Giovanni Grasso, Nicola Leone, Francesco Ricca

The Winograd Schema Challenge
Hector J. Levesque, Ernest Davis, Leora Morgenstern

17:00-18:30 GREAT MOMENTS IN KR TALK - room A

Logic Programming Solution to the Frame Problem
Vladimir Lifschitz

TUESDAY, JUNE 12

09:00-10:00 INVITED TALK - room A

Preference Elicitation and Preference Learning in Social Choice:
New Foundations for Group Recommendation

Craig Boutilier

10:00-10:30 COFFEE - roof garden

10:30-12:30 TECHNICAL SESSIONS (IN PARALLEL)

Description Logics I - room A

Query Containment in Description Logics Reconsidered
Meghyn Bienvenu, Carsten Lutz, Frank Wolter

Undecidability of Fuzzy Description Logics
Stefan Borgwardt and Rafael Peñaloza

An Automata-Theoretic Approach to Uniform Interpolation and Approximation in the Description Logic EL
Carsten Lutz, Inanc Seylan, Frank Wolter

Practical Reasoning with Nominals in the EL Family of Description Logics
Yevgeny Kazakov, Markus Krötzsch and Frantisek Simancik

Answer Set Programming and Logic Programming - room B

Logic Programs with Intensional Functions
Vladimir Lifschitz

Stable Models of Formulas with Intensional Functions
Michael Bartholomew, Joohyung Lee

Answer Set Programming via Mixed Integer Programming
Guohua Liu, Tomi Janhunen, Ilkka Niemela

On the Small-Scope Hypothesis for Testing Answer-Set Programs
Johannes Oetsch, Michael Prischink, Jörg Pührer, Martin Schwengerer and Hans Tompits

12:30-14:00 LUNCH - roof garden

14:00-15:30 TECHNICAL SESSIONS (IN PARALLEL)

Inconsistency-Tolerant and Similarity-Based Reasoning - room A

Declarative Entity Resolution via Matching Dependencies and Answer Set Programs
Zeinab Bahmani, Leopoldo Bertossi, Solmaz Kolahi, Laks V.S. Lakshmanan

Paraconsistent Hybrid Theories
Michael Fink

Homogeneous Logical Proportions: Their Uniqueness and Their Role in Similarity-Based Prediction
Henri Prade, Gilles Richard

Knowledge Representation and Knowledge-Based Systems - room B

From Knowledge Represented in Frame-Based Languages to Declarative Representation and Reasoning via ASP
Chitta Baral, Shanshan Liang

Specifying and Reasoning with Underspecified Knowledge Bases Using Answer Set Programming
Vinay K. Chaudhri, Tran Cao Son

Generalized Ontology-Based Production Systems
Riccardo Rosati, Enrico Franconi

15:30 EXCURSION AND CONFERENCE DINNER

WEDNESDAY, JUNE 13

09:00-10:00 INVITED TALK - room A

The Rise and Fall of Linear Temporal Logic
Moshe Y. Vardi

10:00-10:30 COFFEE - roof garden

10:30-12:30 TECHNICAL SESSIONS (IN PARALLEL)

Epistemic Logics - room A

Ambiguous Language and Differences in Beliefs
Joseph Y. Halpern, Willemien Kets

Automated Verification of Epistemic Properties for General Game Playing
Sebastian Haufe, Michael Thielscher

Only-Knowing Meets Nonmonotonic Modal Logic
Gerhard Lakemeyer, Hector J. Levesque

Ordered Epistemic Logic: Semantics, Complexity and Applications
Hanne Vlaeminck, Joost Vennekens, Maurice Bruynooghe, Marc Denecker

Automated Reasoning and Computation - room B

On Unit-Refutation Complete Formulae with Existentially Quantified Variables
Lucas Bordeaux, Mikolas Janota, Joao Marques-Silva, Pierre Marquis

Fixed-Parameter Algorithms for Finding Minimal Models
Martin Lackner, Andreas Pfandler

A Generic Querying Algorithm for Greedy Sets of Existential Rules
Michail Thomazo, Jean-Franaois Baget, Marie-Laure Mugnier, Sebastian Rudolph

Efficiently Computable Datalog^E Programs
Nicola Leone, Marco Manna, Giorgio Terracina, Pierfrancesco Veltri

12:30-14:00 LUNCH - roof garden

14:00-15:30 TECHNICAL SESSIONS (IN PARALLEL)

Belief Revision II - room A

Belief Revision within Fragments of Propositional Logic
Nadia Creignou, Odile Papini, Reinhard Pichler, Stefan Woltran

Ontology Evolution under Semantic Constraints
Bernardo Cuenca Grau, Ernesto Jimenez-Ruiz, Evgeny Kharlamov, Dmitriy Zheleznyakov

Robust Equivalence Models for Semantic Updates of Answer-Set Programs
Martin Slota, Joao Leite

Abstraction and Diagnosis - room B

An Abstraction Technique for the Verification of Artifact-Centric Systems
Francesco Belardinelli, Alessio Lomuscio, Fabio Patrizi

Abstract Normative Systems: Semantics and Proof Theory
Silvano Colombo Tosatto, Guido Boella, Leendert van der Torre, Serena Villata

Conflict-Based Diagnosis of Discrete Event Systems: Theory and Practice
Alban Grastien, Patrik Haslum, Sylvie Thiebaux

15:30-16:00 COFFEE - roof garden

16:00-17:30 POSTERS - SHORT PAPERS & DOCTORAL CONSORTIUM - roof garden

17:30-18:30 INVITED TALK - room A

Ontology-Based Data Management: Present and Future
Maurizio Lenzerini

THURSDAY, JUNE 14

09:00-10:00 TECHNICAL SESSIONS (IN PARALLEL)

Argumentation - room A

Complexity-Sensitive Decision Procedures for Abstract Argumentation
Wolfgang Dvorak, Matti Jervisalo, Johannes Peter Wallner, Stefan Woltran

Fixpoints and Iterated Updates in Abstract Argumentation
Davide Grossi

Spatial and Temporal Reasoning - room B

Compactness and Its Implications for Qualitative Spatial and Temporal Reasoning
Jinbo Huang

Implicit Constraints for Qualitative Spatial and Temporal Reasoning
Jochen Renz

10:00-10:30 COFFEE - roof garden

10:30-13:15 TECHNICAL SESSIONS (IN PARALLEL) (with 11:30-11:45 break)

Description Logics II - room A

Acyclicity Conditions and Their Application to Query Answering in Description Logics
Bernardo Cuenca Grau, Ian Horrocks, Markus Krötzsch, Clemens Kupke, Despoina Magka, Boris Motik and Zhe Wang

Rewriting Ontological Queries into Small Nonrecursive Datalog Programs
Georg Gottlob, Thomas Schwentick

Conjunctive Query Answering with OWL 2 QL
Stanislav Kikot, Roman Kontchakov, Michael Zakharyaschev

Non-Uniform Data Complexity of Query Answering in Description Logics
Carsten Lutz, Frank Wolter

High Performance Query Answering over DL-Lite Ontologies
Mariano Rodriguez-Muro, Diego Calvanese

Reasoning about Actions and Planning - room B

Temporal Composite Actions with Constraints
Patrick Doherty, Jonas Kvarnström and Andrzej Szalas

Abstracting Abstraction in Search with Applications to Planning
Christer Bäckström and Peter Jonsson

Synthesizing Agent Protocols from LTL Specifications against Multiple Partially-Observable Environments
Giuseppe De Giacomo, Paolo Felli, Alessio Lomuscio

Bounded Situation Calculus Action Theories and Decidable Verification
Giuseppe De Giacomo, Yves Lespérance and Fabio Patrizi

13:15 END OF CONFERENCE