5130 search results - page 57 / 1026 » Constraint Query Languages |
ICDE
1999
IEEE
15 years 9 days 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...
ICDT
1997
ACM
14 years 3 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...
SIGMOD
2003
ACM
14 years 11 months 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...
PODS
2010
ACM
14 years 23 days 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....
SAC
2006
ACM
14 years 5 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...