2027 search results - page 21 / 406 » An Adaptive Query Execution System for Data Integration |
IJCAI
2003
13 years 9 months ago
2003
In this paper we address the problem of query answering and rewriting in global-as-view data integration systems, when key and inclusion dependencies are expressed on the global i...
SEBD
2007
13 years 9 months ago
2007
Research on data integration has provided languages and systems able to guarantee an integrated intensional representation of a given set of data sources. A significant limitation...
IJCAI
2003
13 years 9 months ago
2003
In data-integration systems, information sources often have various constraints such as “all houses stored at a source have a unique address.” These constraints are very usefu...
DELOS
2007
13 years 9 months ago
2007
Data Stream Management (DSM) addresses the continuous processing of sensor data. DSM requires the combination of stream operators, which may run on different distributed devices, ...
SIGMOD
2005
ACM
14 years 7 months ago
2005
ACM
Although integrity constraints have long been used to maintain data consistency, there are situations in which they may not be enforced or satisfied. In this paper, we present Con...