Sciweavers

297 search results - page 28 / 60
» On the Decidability of Consistent Query Answering
Sort
View
TREC
2001
13 years 9 months ago
SiteQ: Engineering High Performance QA System Using Lexico-Semantic Pattern Matching and Shallow NLP
s In TREC-10, we participated in the web track (only ad-hoc task) and the QA track (only main task). In the QA track, our QA system (SiteQ) has general architecture with three proc...
Gary Geunbae Lee, Jungyun Seo, Seungwoo Lee, Hanmi...
SIGIR
2005
ACM
14 years 2 months ago
Detecting dominant locations from search queries
Accurately and effectively detecting the locations where search queries are truly about has huge potential impact on increasing search relevance. In this paper, we define a search...
Lee Wang, Chuang Wang, Xing Xie, Josh Forman, Yans...
PODS
2006
ACM
196views Database» more  PODS 2006»
14 years 8 months ago
The containment problem for REAL conjunctive queries with inequalities
Query containment is a fundamental algorithmic problem in database query processing and optimization. Under set semantics, the query-containment problem for conjunctive queries ha...
T. S. Jayram, Phokion G. Kolaitis, Erik Vee
INFOSCALE
2007
ACM
13 years 10 months ago
Evaluation study of a distributed caching based on query similarity in a P2P network
Several caching techniques have been used to reduce the bandwidth consumption and to provide faster answers in P2P systems. In this paper, we address the problem of reducing unnec...
Mouna Kacimi, Kokou Yétongnon
DLOG
2009
13 years 6 months ago
Generalized Closed World Reasoning in Description Logics with Extended Domain Closure
Abstract. Generalized closed world reasoning allows for the assumption of a specified maximal set of negated atomic assertions retaining the consistency of an indefinite knowledge ...
Oliver Gries