3836 search results - page 204 / 768 » Semantics of Database Transformations |
161
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SIGMOD
2005
ACM
15 years 9 months ago
2005
ACM
Integrating enterprise information requires an accurate, precise and complete understanding of the disparate data sources, the needs of the information consumers, and how these ma...
130
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VLDB
2005
ACM
15 years 9 months ago
2005
ACM
We extend the OLAP data model to represent data ambiguity, specifically imprecision and uncertainty, and introduce an allocation-based approach to the semantics of aggregation qu...
160
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DASFAA
2008
IEEE
15 years 6 months ago
2008
IEEE
In this paper, we study novel Tree + IDREF data model for keyword search in XML. In this model, we propose novel Lowest Referred Ancestor (LRA) pair, Extended LRA (ELRA) pair and E...
136
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JUCS
2008
15 years 4 months ago
2008
: Most information in Hospitals is still only available in text format and the amount of this data is immensely increasing. Consequently, text mining is an essential area of medica...
117
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IANDC
2010
15 years 2 months ago
2010
Inspired by the classical theory of modules over a monoid, we introduce the natural notion of module over a monad. The associated notion of morphism of left modules (”linear” n...