651 search results - page 5 / 131 » Algebraic Query Optimization for Distributed Top-k Queries |
144
Voted
VLDB
2001
ACM
15 years 10 months ago
2001
ACM
This paper investigates the problem of incremental joins of multiple ranked data sets when the join condition is a list of arbitrary user-defined predicates on the input tuples. ...
278
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ICDE
2007
IEEE
16 years 7 months ago
2007
IEEE
Linear optimization queries retrieve the top-K tuples in a sliding window of a data stream that maximize/minimize the linearly weighted sums of certain attribute values. To effici...
241
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SIGMOD
2005
ACM
16 years 6 months ago
2005
ACM
This paper introduces RankSQL, a system that provides a systematic and principled framework to support efficient evaluations of ranking (top-k) queries in relational database syst...
171
Voted
DEXAW
2004
IEEE
15 years 9 months ago
2004
IEEE
Database-like query processing over a network of sensors has become an attractive paradigm for building sensor applications. A sensor query is characterized by data streams among ...
182
Voted
SIGMOD
1993
ACM
15 years 10 months ago
1993
ACM
Abstract: We propose a framework for the specification of extensible database systems. A particular goal is to implement a software component for parsing and rule-based optimizatio...