223 search results - page 36 / 45 » Expressive and Efficient Peer-to-Peer Queries |
293
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ICDE
2003
IEEE
16 years 7 months ago
2003
IEEE
We present an index structure for managing weightedsequences in large databases. A weighted-sequence is defined as a two-dimensional structure where each element in the sequence i...
145
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ADBIS
2007
Springer
16 years 7 days ago
2007
Springer
The semantics of a new language (CUDL – Conceptual Universal Database Language), designed to manage dynamic database environments, are presented. This language conforms to the FD...
158
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WISE
2000
Springer
15 years 10 months ago
2000
Springer
Most Internet search engines are keyword-based. They are not efficient for the queries where geographical location is important, such as finding hotels within an area or close to ...
157
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CORR
2008
Springer
15 years 6 months ago
2008
Springer
A purely relational account of the true XQuery semantics can turn any relational database system into an XQuery processor. Compiling nested expressions of the fully compositional X...
144
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DKE
2008
15 years 6 months ago
2008
Keyword searching while very successful in narrowing down the contents of the Web to the pertaining subset of information, has two primary drawbacks. First, the accuracy of the se...