2228 search results - page 119 / 446 » A System for Semantic Query Optimization |
COMCOM
1998
14 years 9 months ago
1998
The X.500 standard speci es a distributed directory service designed to store information about people and objects associated with computer networks. Its API is geared toward retr...
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IPAW
2010
14 years 8 months ago
2010
Data provenance graphs are form of metadata that can be used to establish a variety of properties of data products that undergo sequences of transformations, typically specified as...
VLDB
1989
ACM
15 years 2 months ago
1989
ACM
: We describe the architecture of a relational databasesystem that is extensible by user-defined data types and operations, including relation operations. The central concept is to...
CN
2007
14 years 10 months ago
2007
Although the ant metaphor has been successfully applied to routing of data packets both in wireless and fixed networks, little is known yet about its appropriateness for search i...
ICDCS
2005
IEEE
15 years 3 months ago
2005
IEEE
Database queries, in particular, event-driven continuous queries, are useful for many pervasive computing applications, such as video surveillance. In order to enable these applic...