69 search results - page 2 / 14 » Query Planning for Searching Inter-dependent Deep-Web Databa... |
WEBI
2009
Springer
13 years 11 months ago
2009
Springer
—The key to Deep Web crawling is to submit promising keywords to query form and retrieve Deep Web content efficiently. To select keywords, existing methods make a decision based ...
WISE
2005
Springer
13 years 10 months ago
2005
Springer
Many databases have become Web-accessible through form-based search interfaces (i.e., search forms) that allow users to specify complex and precise queries to access the underlying...
CIKM
2011
Springer
12 years 4 months ago
2011
Springer
There exist many interrelated information sources on the Internet that can be categorized into structured (database) and semistructured (documents). A key challenge is to integrat...
ADBIS
2009
Springer
13 years 2 months ago
2009
Springer
We consider the problem of selecting views and indexes that minimize the evaluation costs of the important queries under an upper bound on the disk space available for storing the ...
DMKD
2004
ACM
13 years 10 months ago
2004
ACM
To enable information integration, schema matching is a critical step for discovering semantic correspondences of attributes across heterogeneous sources. As a new attempt, this p...