The computational complexity of abduction
Artificial Intelligence - Special issue on knowledge representation
Semantic Query Optimization through Abduction and Constraint Handling
FQAS '98 Proceedings of the Third International Conference on Flexible Query Answering Systems
Abduction in Logic Programming
Computational Logic: Logic Programming and Beyond, Essays in Honour of Robert A. Kowalski, Part I
An abductive framework for computing knowledge base updates
Theory and Practice of Logic Programming
Negotiation by abduction and relaxation
Proceedings of the 6th international joint conference on Autonomous agents and multiagent systems
Abductive framework for nonmonotonic theory change
IJCAI'95 Proceedings of the 14th international joint conference on Artificial intelligence - Volume 1
Cooperative query answering by abstract interpretation
SOFSEM'11 Proceedings of the 37th international conference on Current trends in theory and practice of computer science
ICCBR'10 Proceedings of the 18th international conference on Case-Based Reasoning Research and Development
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We propose that agents may use abductive reasoning to adopt a Cooperative Answering behavior. In the event of failure or inadequacy of answers to a query (question), the agent should provide related answers by employing Query Relaxation. These answers are to be related to the query and might be useful to the querying agent. In order to achieve that, we consider agents with knowledge bases consisting of Abductive Logic Programs. Such agents are able to explain failure and guide the search for related answers. A distinctive aspect of our proposal is that in order to avoid undesirable results, one can select the parts of the query that cannot be relaxed.