1059 search results - page 37 / 212 » Improving Semantic Query Answering |
IS
2008
13 years 10 months ago
2008
Consistent query answering is the problem of characterizing and computing the semantically correct answers to queries from a database that may not satisfy certain integrity constr...
PODS
2005
ACM
14 years 10 months ago
2005
ACM
Abstract. We present a semantics and answer set programs for relational peer data exchange systems. When a peer answers a query, it exchanges data with other peers in order to supp...
KIVS
2005
Springer
14 years 3 months ago
2005
Springer
: In modern information systems the dominant retrieval paradigms have shifted from exact matching towards retrieving a list of the most relevant objects. This is because users usua...
ESWS
2008
Springer
13 years 12 months ago
2008
Springer
In order to overcome the limitations of deductive logic-based approaches to deriving operational knowledge from ontologies, especially when data come from distributed sources, indu...
IJCAI
2003
13 years 11 months ago
2003
Information integration systems provide a uniform query interface to a set of sources. One of the key challenges for an information integration system is to provide maximally comp...