421 search results - page 30 / 85 » Answering Queries Using Cooperative Semantic Caching |
SIGIR
2005
ACM
14 years 4 months ago
2005
ACM
State-of-the-art question answering (QA) systems employ termdensity ranking to retrieve answer passages. Such methods often retrieve incorrect passages as relationships among ques...
ICDT
1995
ACM
14 years 2 months ago
1995
ACM
A tuple t1 of relation R subsumes tuple t2 of R, with respect to a query Q if for every database, tuple t1 derives all, and possibly more, answers to query Q than derived by tuple ...
AAAI
2008
14 years 1 months ago
2008
Answer-set programming (ASP) is widely recognised as a viable tool for declarative problem solving. However, there is currently a lack of tools for developing answer-set programs....
ADBIS
2004
Springer
14 years 4 months ago
2004
Springer
Abstract. Query reformulation techniques based on semantic knowledge have been used in two ways in database management systems, namely for query optimization and for data integrati...
TMC
2008
13 years 10 months ago
2008
Location-based spatial queries (LBSQs) refer to spatial queries whose answers rely on the location of the inquirer. Efficient processing of LBSQs is of critical importance with the...