4955 search results - page 419 / 991 » Multiple Pattern Databases |
251
Voted
SEDE
2010
15 years 2 months ago
2010
Enterprise-level applications are becoming complex with the need for event and stream processing, multiple query processing and data analysis over heterogeneous data sources such ...
137
Voted
SIGMOD
2001
ACM
16 years 5 months ago
2001
ACM
Estimating the result size of complex queries that involve selection on multiple attributes and the join of several relations is a difficult but fundamental task in database query...
225
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ICDE
2008
IEEE
16 years 6 months ago
2008
IEEE
This paper describes Orchid, a system that converts declarative mapping specifications into data flow specifications s) and vice versa. Orchid provides an abstract operator model t...
166
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PODS
2002
ACM
16 years 5 months ago
2002
ACM
In this overview paper we motivate the need for and research issues arising from a new model of data processing. In this model, data does not take the form of persistent relations...
167
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PODS
2002
ACM
16 years 5 months ago
2002
ACM
We consider conjunctive queries with arithmetic comparisons over multiple continuous data streams. We specify an algorithm for determining whether or not a query can be evaluated ...