619 search results - page 68 / 124 » Query Planning in Infomaster |
183
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BTW
2007
Springer
16 years 7 days ago
2007
Springer
Abstract: Peer data management systems (PDMS) are a highly dynamic, decentralized infrastructure for large-scale data integration. They consist of a dynamic set of autonomous peers...
133
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VLDB
1990
ACM
15 years 10 months ago
1990
ACM
Even though the large body of knowledge of relational query optimization techniques can be utilized as a starting point for object-oriented query optimization the full exploitatio...
273
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GIS
2008
ACM
16 years 7 months ago
2008
ACM
Trip planning search (TPS) represents an important class of queries in Geographic Information Systems (GIS). In many real-world applications, TPS requests are issued with a number...
143
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DEXA
1999
Springer
15 years 10 months ago
1999
Springer
: In an extensible database system, evaluation of a query plan is done in cooperation between a collection of operator implementation functions and a component of the DBMS that we ...
227
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SIGMOD
2008
ACM
16 years 6 months ago
2008
ACM
Today's query processing engines do not take advantage of the multiple occurrences of a relation in a query to improve performance. Instead, each instance is treated as a dis...