1125 search results - page 63 / 225 » Query Answering in Inconsistent Databases |
PODS
2003
ACM
14 years 10 months ago
2003
ACM
In this paper we propose a new bottom-up query evaluation method for stratified deductive databases based on the Magic Set approach. As the Magic Sets rewriting may lead to unstra...
SIGMOD
2009
ACM
14 years 10 months ago
2009
ACM
A common criticism of database systems is that they are hard to query for users uncomfortable with a formal query language. To address this problem, form-based interfaces and keyw...
MDM
2004
Springer
14 years 3 months ago
2004
Springer
In this paper, we consider a data model for uncertain trajectories of moving objects. In our model, the trajectory is a vector of uniform stochastic processes. We study “univers...
TDM
2004
13 years 11 months ago
2004
This paper examines the use of XML for modern extractionbased question answering (QA). We feel that the XML community has taken too narrow a view of structured retrieval, and that...
CIKM
2010
Springer
13 years 8 months ago
2010
Springer
Recently, several research efforts have addressed answering skyline queries efficiently over large datasets. However, this research lacks methods to compute these queries over un...