The enormous number of questions needed to acquire a full preference model when the size of the outcome space is large forces us to work with partial models that approximate the u...
The paper presents a calculus based on resolution for credulous reasoning in Answer Set Programming. The new approach allows a top-down and goal directed resolution, in the same s...
Abstract: In our participation in the TREC 2007 Question Answering (QA) track, we focused on three tasks. First, we processed the new blog corpus and converted it to formats which ...
Katja Hofmann, Valentin Jijkoun, Mahboob Alam Khal...
— We consider the situation where users rank items from a given set, and each user ranks only a (small) subset of all items. We assume that users can be classified into C classe...
Our goal is to build knowledge-based systems capable of answering a wide variety of questions, including questions that are unanticipated when the knowledge base is built. For sys...