418 search results - page 73 / 84 » Optimizing Large Join Queries in Mediation Systems |
IDEAS
2008
IEEE
14 years 2 months ago
2008
IEEE
With more and more natural language text stored in databases, handling respective query predicates becomes very important. Optimizing queries with predicates includes (sub)string ...
EDBTW
2010
Springer
13 years 6 months ago
2010
Springer
Due to the growing importance of the World Wide Web, archiving it has become crucial for preserving useful source of information. To maintain a web archive up-to-date, crawlers ha...
WWW
2005
ACM
14 years 8 months ago
2005
ACM
Many modern natural language-processing applications utilize search engines to locate large numbers of Web documents or to compute statistics over the Web corpus. Yet Web search e...
VLDB
2002
ACM
14 years 7 months ago
2002
ACM
Abstract. Several alternatives to manage large XML document collections exist, ranging from file systems over relational or other database systems to specifically tailored XML base...
CIKM
2004
Springer
14 years 1 months ago
2004
Springer
We examine the problem of retrieving the top-m ranked items from a large collection, randomly distributed across an n-node system. In order to retrieve the top m overall, we must ...