115 search results - page 20 / 23 » Predicate Migration: Optimizing Queries with Expensive Predi... |
178
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SIGMOD
2007
ACM
16 years 1 months ago
2007
ACM
Commercial enterprise data warehouses are typically implemented on parallel databases due to the inherent scalability and performance limitation of a serial architecture. Queries ...
109
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VLDB
1992
ACM
15 years 5 months ago
1992
ACM
This paper considers the problem of adding list as a type constructor to an object-oriented data model. In particular, we are concerned with how lists in a database can be constru...
119
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DASFAA
2006
IEEE
15 years 5 months ago
2006
IEEE
Sensor networks are multi-hop wireless networks of resource constrained sensor nodes used to realize high-level collaborative sensing tasks. To query and access data generated and ...
130
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PPDP
2010
Springer
14 years 11 months ago
2010
Springer
Given a set of Datalog rules, facts, and a query, answers to the query can be inferred bottom-up starting with the facts or top-down starting with the query. For efficiently answe...
223
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ICDE
2005
IEEE
16 years 2 months ago
2005
IEEE
Query processing in traditional information management systems has moved from an exact match model to more flexible paradigms allowing cooperative retrieval by aggregating the dat...