712 search results - page 4 / 143 » Decoupled Query Optimization for Federated Database Systems |
VLDB
1998
ACM
15 years 1 months ago
1998
ACM
From beginning of 1994 to the end of 1996, the IRO-DB ESPRIT project has developed tools for accessing relational and object-oriented databases in an integrated way. The system is...
162
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ICDE
2008
IEEE
15 years 10 months ago
2008
IEEE
Abstract-- Our demonstration introduces a novel system architecture which massively facilitates optimization in data stream management systems (DSMS). The basic idea is to decouple...
153
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ICDE
2008
IEEE
15 years 10 months ago
2008
IEEE
We study the problem of computing query results with confidence values in ULDBs: relational databases with uncertainty and lineage. ULDBs, which subsume probabilistic databases, o...
DOLAP
2004
ACM
15 years 2 months ago
2004
ACM
In today’s OLAP systems, integrating fast changing data, e.g., stock quotes, physically into a cube is complex and time-consuming. The widespread use of XML makes it very possib...
143
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ESWS
2011
Springer
14 years 28 days ago
2011
Springer
Driven by the success of the Linked Open Data initiative today’s Semantic Web is best characterized as a Web of interlinked datasets. Hand in hand with this structure new challen...