358 search results - page 14 / 72 » Algebraic Optimization of Computations over Scientific Datab... |
114
Voted
SIGMOD
2004
ACM
16 years 16 days ago
2004
ACM
We define a framework for static optimization of sliding window conjunctive queries over infinite streams. When computational resources are sufficient, we propose that the goal of...
130
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SSDBM
2005
IEEE
15 years 6 months ago
2005
IEEE
The widespread use of sensor networks in scientific and engineering applications leads to increased demand on the efficient computation of the collected sensor data. Recent rese...
207
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ICDE
2003
IEEE
16 years 1 months ago
2003
IEEE
Expressing complex OLAP queries using group-by, aggregation, and joins can be extremely difficult. As a result of this, many alternate ways of expressing such queries have been de...
114
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CDB
2004
Springer
15 years 5 months ago
2004
Springer
Preference queries are relational algebra or SQL queries that contain occurrences of the winnow operator (find the most preferred tuples in a given relation). We present here a nu...
233
Voted
ICDE
2009
IEEE
16 years 2 months ago
2009
IEEE
We have developed a system to process database queries over composed data providing web services. The queries are transformed into execution plans containing an operator that invok...