6846 search results - page 4 / 1370 » Querying a summary of database |
WWW
2010
ACM
13 years 12 months ago
2010
ACM
Typical approaches for querying structured Web Data collect (crawl) and pre-process (index) large amounts of data in a central data repository before allowing for query answering....
SIGMOD
1998
ACM
13 years 10 months ago
1998
ACM
In large data recording and warehousing environments, it is often advantageous to provide fast, approximate answers to queries, whenever possible. Before DBMSs providing highly-ac...
VLDB
2002
ACM
13 years 6 months ago
2002
ACM
Many valuable text databases on the web have non-crawlable contents that are "hidden" behind search interfaces. Metasearchers are helpful tools for searching over many s...
ICDT
2007
ACM
14 years 22 days ago
2007
ACM
Abstract. Recent studies have proposed structural summary techniques for pathquery evaluation on semi-structured data sources. One major line of this research
DCC
2000
IEEE
13 years 11 months ago
2000
IEEE
As large-scale databases become commonplace, there has been signi cant interest in mining them for commercial purposes. One of the basic tasks that underlies many of these mining ...