297 search results - page 19 / 60 » On the Decidability of Consistent Query Answering |
VLDB
2000
ACM
14 years 11 hour ago
2000
ACM
Strict consistency of replicated data is infeasible or not required by many distributed applications, so current systems often permit stale replication, in which cached copies of ...
PODS
2003
ACM
14 years 8 months ago
2003
ACM
A query against a database behind a site like Napster may search, e.g., for all users who have downloaded more jazz titles than pop music titles. In order to express such queries,...
EUC
2008
Springer
13 years 10 months ago
2008
Springer
Context-awareness is a key issue in pervasive computing. Context-aware applications are prone to the context consistency problem, where applications are confronted with conflictin...
CN
1999
13 years 8 months ago
1999
A key performance measure for the World Wide Web is the speed with which content is served to users. As traffic on the Web increases, users are faced with increasing delays and fa...
CIKM
2007
Springer
14 years 2 months ago
2007
Springer
Searching answers to complex questions is a challenging IR task. In this paper, we examine the use of query templates with semantic slots to formulate slot-based queries. These qu...