198 search results - page 6 / 40 » Rate-based query optimization for streaming information sour... |
VLDB
2004
ACM
14 years 1 months ago
2004
ACM
The Web is becoming a universal information dissemination medium, due to a number of factors including its support for content dynamicity. A growing number of Web information prov...
ADBIS
2007
Springer
14 years 1 months ago
2007
Springer
The exponential growth of the web and the extended use of database management systems in widely distributed information systems has brought to the fore the need for seamless interc...
AAAI
1998
13 years 9 months ago
1998
We present an approach for optimizing the performance of information agents by materializing useful information . A critical problem with information agents, particularly those ga...
COOPIS
2003
IEEE
14 years 28 days ago
2003
IEEE
We consider the problem of query evaluation in Peer-to-Peer (P2P) systems that support semantic-based retrieval services. We confine ourselves to the case where the peers employ t...
ICDE
2005
IEEE
14 years 1 months ago
2005
IEEE
Current federated systems deploy cost-based query optimization mechanisms; i.e., the optimizer selects a global query plan with the lowest cost to execute. Thus, cost functions in...