357 search results - page 9 / 72 » An Algebraic Approach to the Complexity of Generalized Conju... |
LICS
2010
IEEE
13 years 5 months ago
2010
IEEE
The universal-algebraic approach has proved a powerful tool in the study of the computational complexity of constraint satisfaction problems (CSPs). This approach has previously b...
DOLAP
2004
ACM
14 years 1 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...
ICDE
2003
IEEE
14 years 9 months ago
2003
IEEE
Expressing complex OLAP queries using group-by, aggregation, and joins can be extremely difficult. As a result of this, many alternate ways of expressing such queries have been de...
ICDE
1997
IEEE
14 years 9 months ago
1997
IEEE
A mediator is a domain-speci c tool to support uniform access to multiple heterogeneous information sources and to abstract and combine data from different but related databases t...
KDD
2004
ACM
14 years 8 months ago
2004
ACM
To enable information integration, schema matching is a critical step for discovering semantic correspondences of attributes across heterogeneous sources. While complex matchings ...