613 search results - page 37 / 123 » Query Evaluation on a Database Given by a Random Graph |
202
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VLDB
2004
ACM
16 years 2 months ago
2004
ACM
Ranking queries produce results that are ordered on some computed score. Typically, these queries involve joins, where users are usually interested only in the top-k join results....
KRDB
1998
15 years 3 months ago
1998
Previous researchers note the problem for semantic optimisation of database queries caused by its production of a large number of semantically equivalent alternative queries, from...
111
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SIGOPS
2010
14 years 8 months ago
2010
We introduce SelfTalk, a novel declarative language that allows users to query and understand the status of a large scale system. SelfTalk is sufficiently expressive to encode an ...
DEXAW
2000
IEEE
15 years 6 months ago
2000
IEEE
This paper discusses the evaluation of a visual information seeking system for the Web called INSYDER. The aim of INSYDER is to find business information on the Web. The evaluatio...
117
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SSD
2005
Springer
15 years 7 months ago
2005
Springer
Most recent research on querying and managing data streams has concentrated on traditional data models where the data come in the form of tuples or XML data. Complex types of strea...