405 search results - page 30 / 81 » Semantic Assumptions and Query Evaluation in Temporal Databa... |
VLDB
1992
ACM
15 years 3 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...
SAC
2011
ACM
14 years 2 months ago
2011
ACM
Semantic caching augments cached data with a semantic description of the data. These semantic descriptions can be used to improve execution time for similar queries by retrieving ...
102
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JASIS
2000
14 years 11 months ago
2000
In the logical approach to information retrieval (IR), retrieval is considered as uncertain inference. Whereas classical IR models are based on propositional logic, we combine Dat...
213
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ICDE
2009
IEEE
16 years 1 months ago
2009
IEEE
Abstract-- Inverted files have been very successful for document retrieval, but sponsored search is different. Inverted files are designed to find documents that match the query (a...
132
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PERCOM
2006
ACM
15 years 11 months ago
2006
ACM
In this paper, we design and evaluate an energy efficient data retrieval architecture for continuous aggregate queries in wireless sensor networks. We show how the modification of...