736 search results - page 41 / 148 » Answering Imprecise Queries over Web Databases |
VLDB
2000
ACM
13 years 11 months ago
2000
ACM
Approximate query answering systems provide very fast alternatives to OLAP systems when applications are tolerant to small errors in query answers. Current sampling-based approach...
CIKM
2010
Springer
13 years 6 months ago
2010
Springer
Recently, several research efforts have addressed answering skyline queries efficiently over large datasets. However, this research lacks methods to compute these queries over un...
ICDE
2007
IEEE
14 years 9 months ago
2007
IEEE
We study the problem of answering queries posed on virtual views of XML documents, a problem commonly encountered when enforcing XML access control and integrating data. We approa...
SAC
2010
ACM
14 years 2 months ago
2010
ACM
Biological scientists have made large amounts of data available on the Web, which can be accessed by canned or precomputed queries presented via web forms. To satisfy further info...
ICDE
2006
IEEE
14 years 9 months ago
2006
IEEE
The high quality, structured data from Web structured sources is invaluable for many applications. Hidden Web databases are not directly crawlable by Web search engines and are on...