196 search results - page 26 / 40 » Group-by skyline query processing in relational engines |
202
Voted
VLDB
2004
ACM
16 years 2 months ago
2004
ACM
Abstract This paper describes the design, implementation, and performance characteristics of a commercial XQuery processing engine, the BEA streaming XQuery processor. This XQuery ...
133
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FOCS
1998
IEEE
15 years 6 months ago
1998
IEEE
This paper deals with the evaluation of acyclic Boolean conjunctive queries in relational databases. By well-known results of Yannakakis [1981], this problem is solvable in polynom...
100
Voted
CSMR
1999
IEEE
15 years 6 months ago
1999
IEEE
This paper describes a case study where SofTrack a Software Defect Report and Tracking System - was implemented using internet technology in a geographically distributed organizat...
111
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VLDB
1998
ACM
15 years 6 months ago
1998
ACM
Currently the key problems of query optimization are extensibility imposed by object-relational technology, as well as query complexity caused by forthcoming applications, such as...
107
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ACL
2006
15 years 3 months ago
2006
At present, adapting an Information Extraction system to new topics is an expensive and slow process, requiring some knowledge engineering for each new topic. We propose a new par...