4137 search results - page 614 / 828 » Managing Expressions as Data in Relational Database Systems |
195
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WWW
2003
ACM
16 years 7 months ago
2003
ACM
This paper describes a novel approach for obtaining semantic interoperability among data sources in a bottom-up, semiautomatic manner without relying on pre-existing, global seman...
286
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SIGMOD
2006
ACM
16 years 6 months ago
2006
ACM
Ontologies are increasingly used to represent the intended real-world semantics of data and services in information systems. Unfortunately, different data sources often do not rel...
154
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WMCSA
2002
IEEE
15 years 11 months ago
2002
IEEE
We show how the database community’s notion of a generic query interface for data aggregation can be applied to ad-hoc networks of sensor devices. As has been noted in the senso...
171
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LWA
2007
15 years 8 months ago
2007
Abstract: Currently, social bookmarking systems provide intuitive support for browsing locally their content. A global view is usually presented by the tag cloud of the system, but...
201
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VLDB
1991
ACM
15 years 10 months ago
1991
ACM
It is widely recognized that production rules in database systems can be used to automatically maintain derived data such as views. However, writing a correct set of rules for e ci...