2228 search results - page 303 / 446 » On Database Theory and XML |
181
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GISCIENCE
2008
Springer
15 years 7 months ago
2008
Springer
Road networks, roads, and junctions are examples of natural language terms whose semantics can be described by affordances of their physical referents. In order to define affordanc...
163
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MTA
2010
15 years 4 months ago
2010
: Multimedia applications nowadays are becoming prevalent. In the past the relational database model was generalized to the multimedia database model. More recently the relational ...
168
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PODS
2006
ACM
16 years 6 months ago
2006
ACM
We propose a novel approach to the classical view update problem. The view update problem arises from the fact that modifications to a database view may not correspond uniquely to...
198
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SIGMOD
2011
ACM
14 years 9 months ago
2011
ACM
In this paper we consider the problem of answering queries using views, which is important for data integration, query optimization, and data warehouses. We consider its simplest ...
224
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ICDT
2012
ACM
13 years 8 months ago
2012
ACM
A universal model of a database D and a set Σ of integrity constraints is a database that extends D, satisfies Σ, and is most general in the sense that it contains sound and co...