413 search results - page 11 / 83 » Optimizing Queries Across Diverse Data Sources |
ICDT
2007
ACM
14 years 1 months ago
2007
ACM
We consider the problem of querying data sources that have limited capabilities and can thus only be accessed by complying with certain binding patterns for their attributes. This ...
ICDE
1999
IEEE
14 years 8 months ago
1999
IEEE
We develop a data integration approach for the efficient evaluation of queries over autonomous source databases. The approach is based on some novel applications and extensions of...
PODS
2000
ACM
13 years 11 months ago
2000
ACM
The problem of query containment is fundamental to many aspects of database systems, including query optimization, determining independence of queries from updates, and rewriting ...
SIGMOD
2000
ACM
13 years 11 months ago
2000
ACM
We present MOCHA, a new self-extensible database middleware system designed to interconnect distributed data sources. MOCHA is designed to scale to large environments and is based...
WWW
2010
ACM
14 years 1 months ago
2010
ACM
This paper is concerned with actively predicting search intent from user browsing behavior data. In recent years, great attention has been paid to predicting user search intent. H...