357 search results - page 10 / 72 » An Algebraic Approach to the Complexity of Generalized Conju... |
ADL
2000
Springer
14 years 8 days ago
2000
Springer
A mediator system is a kind of a meta-search engine that provides a seamlessly integrated search service for diverse search engines (collections). Since collections of a mediator ...
TAPSOFT
1997
Springer
14 years 2 days ago
1997
Springer
This paper presents an approach for specifying complex, structured systems with Evolving Algebras by means of aggregation and composition. Evolving algebras provide a formal method...
PODS
2007
ACM
14 years 8 months ago
2007
ACM
The generalized hypertree width GHW(H) of a hypergraph H is a measure of its cyclicity. Classes of conjunctive queries or constraint satisfaction problems whose associated hypergr...
CP
2003
Springer
14 years 1 months ago
2003
Springer
Abstract. Most previous theoretical study of the complexity of the constraint satisfaction problem has considered a simplified version of the problem in which all variables have t...
PODS
2012
ACM
11 years 10 months ago
2012
ACM
Data is increasingly being bought and sold online, and Webbased marketplace services have emerged to facilitate these activities. However, current mechanisms for pricing data are ...