796 search results - page 81 / 160 » A Formalization of ODMG Queries |
105
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VLDB
2007
ACM
15 years 7 months ago
2007
ACM
This paper reports our first set of results on managing uncertainty in data integration. We posit that data-integration systems need to handle uncertainty at three levels, and do...
115
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SAC
2006
ACM
15 years 6 months ago
2006
ACM
In this paper, we show that representation and reasoning techniques used in traditional knowledge engineering and the emerging Semantic Web can play an important role for heteroge...
105
Voted
ESWS
2004
Springer
15 years 6 months ago
2004
Springer
Publish/subscribe systems are an alternative to query based systems in cases where the same information is asked for over and over, and where clients want to get updated answers fo...
120
Voted
ASP
2003
Springer
15 years 6 months ago
2003
Springer
Integration of data is required when accessing multiple databases within an organization or on the WWW. Schema integration is required for database interoperability, but it is curr...
93
Voted
GIS
1999
ACM
15 years 5 months ago
1999
ACM
: The paper is concerned with the effective and efficient processing of spatiotemporal selection queries under varying degrees of approximation. Such queries may employ operators l...