853 search results - page 12 / 171 » Understanding queries in a search database system |
COLING
2008
13 years 9 months ago
2008
In this paper, we will describe a search tool for a huge set of ngrams. The tool supports queries with an arbitrary number of wildcards. It takes a fraction of a second for a sear...
VLDB
2005
ACM
14 years 1 months ago
2005
ACM
“W3QL: A Query Language for the WWW”, published in 1995, presented a language with several distinctive features. Employing existing indexes as access paths, it allowed the sel...
VLDB
2002
ACM
14 years 7 months ago
2002
ACM
Several organizations have developed very large market basket databases for the maintenance of customer transactions. New applications, e.g., Web recommendation systems, present th...
VLDB
1997
ACM
13 years 11 months ago
1997
ACM
Information integration systems have to cope with the different and limited query interfaces of the underlying information sources. First, the integration systems need description...
ISPAN
2002
IEEE
14 years 13 days ago
2002
IEEE
Index is an important element in databases, and the existence of index is unavoidable. When an index has been built on a particular attribute, database operations (e.g. selection,...