6846 search results - page 22 / 1370 » Querying a summary of database |
DMDW
2000
13 years 8 months ago
2000
A common optimization technique in the OLAP application domain is the use of summary aggregate data. For an appropriate support of analysis hot spots, we propose a query based agg...
SIGIR
2005
ACM
14 years 9 days ago
2005
ACM
We report on two experiments performed to test the importance of Term Order in automatic summarisation. Experiment one was undertaken as part of DUC 2004 to which three systems we...
DBPL
1995
Springer
13 years 10 months ago
1995
Springer
We study the problem of maintaining recursively-de ned views, such as the transitive closure of a relation, in traditional relational languages that do not have recursion mechanis...
DASFAA
2005
IEEE
14 years 11 days ago
2005
IEEE
Peer-to-peer (P2P) computing is gaining more and more significance due to its widespread use currently and potential deployments in future applications. In this paper, we propose ...
PVLDB
2010
13 years 5 months ago
2010
Ontology-based data access is a powerful form of extending database technology, where a classical extensional database (EDB) is enhanced by an ontology that generates new intensio...