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186
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ICDE
1999
IEEE
16 years 2 months ago
1999
IEEE
We develop a data integration approach for the efficient evaluation of queries over autonomous source databases. The approach is based on some novel applications and extensions of...
103
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ICDT
1997
ACM
15 years 4 months ago
1997
ACM
We develop a new schema for unstructured data. Traditional schemas resemble the type systems of programming languages. For unstructured data, however, the underlying type may be mu...
89
Voted
SIGMOD
2003
ACM
16 years 24 days ago
2003
ACM
We present an update on the status of the Cougar Sensor Database Project, in which we are investigating a database approach to sensor networks: Clients "program" the sen...
114
Voted
PODS
2010
ACM
15 years 2 months ago
2010
ACM
We study highly expressive query languages such as datalog, fixpoint, and while-languages on probabilistic databases. We generalize these languages such that computation steps (e....
68
Voted
SAC
2006
ACM
15 years 6 months ago
2006
ACM
The heterogeneity of architectural constraint languages makes difficult the transformation of architectural constraints throughout the development process. Indeed they have signiï...