710 search results - page 65 / 142 » Querying continuous functions in a database system |
167
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MM
2005
ACM
15 years 11 months ago
2005
ACM
Querying live media streams is a challenging problem that is becoming an essential requirement in a growing number of applications. Research in multimedia information systems has ...
163
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IDEAS
2000
IEEE
15 years 10 months ago
2000
IEEE
Most operations of the relational algebra or SQL - like projection with duplicate elimination, join, ordering, group by and aggregations - are efficiently processed using a sorted...
151
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VLDB
1994
ACM
15 years 10 months ago
1994
ACM
In existing relational database systems, processing of group-by and computation of aggregate functions are always postponed until all joins are performed. In this paper, we presen...
257
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SIGMOD
2009
ACM
16 years 6 months ago
2009
ACM
In order to enable extensibility, modern query optimizers typically leverage a transformation rule based framework. Testing individual rule correctness as well as correctness of r...
186
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BTW
2007
Springer
16 years 11 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...