297 search results - page 35 / 60 » On the Decidability of Consistent Query Answering |
EDBT
2008
ACM
14 years 8 months ago
2008
ACM
In the paper we discuss the problem of data integration in a P2P environment. In such setting each peer stores schema of its local data, mappings between the schema and schemas of...
ACL
2009
13 years 6 months ago
2009
Short Messaging Service (SMS) is popularly used to provide information access to people on the move. This has resulted in the growth of SMS based Question Answering (QA) services....
IEICET
2008
13 years 8 months ago
2008
We consider the polynomial time learnability of finite unions of ordered tree patterns with internal structured variables, in the query learning model of Angluin (1988). An ordered...
GIS
2009
ACM
14 years 1 months ago
2009
ACM
The in-network query processing paradigm in sensor networks postulates that a query is routed among sensors and collects the answers from the sensors on its trajectory. It works f...
ICDT
2009
ACM
14 years 9 months ago
2009
ACM
Graph-theoretic aggregation problems have been considered both in OLAP (grid graph) and XML (tree). This paper gives new results for MIN aggregation in a tree, where we want the M...