6654 search results - page 66 / 1331 » Querying Faceted Databases |
ICDE
2008
IEEE
14 years 10 months ago
2008
IEEE
The typical workload in a database system consists of a mixture of multiple queries of different types, running concurrently and interacting with each other. Hence, optimizing perf...
ICDE
2002
IEEE
14 years 10 months ago
2002
IEEE
The ability to provide accurate and efficient result estimations of user queries is very important for the query optimizer in database systems. In this paper, we show that the tra...
PVLDB
2010
13 years 7 months ago
2010
Probabilistic databases hold promise of being a viable means for large-scale uncertainty management, increasingly needed in a number of real world applications domains. However, q...
WWW
2009
ACM
14 years 9 months ago
2009
ACM
To deal with the problem of empty or too little answers returned from a Web database in response to a user query, this paper proposes a novel approach to provide relevant and rank...
ICDT
2009
ACM
14 years 9 months ago
2009
ACM
This article deals with consistent query answering to conjunctive queries under primary key constraints. The repairs of an inconsistent database db are obtained by selecting a max...