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» Constraints, Graphs, Algebra, Logic, and Complexity
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JCP
2006
91views more  JCP 2006»
14 years 9 months ago
The Matching Predicate and a Filtering Scheme Based on Matroids
Finding a maximum cardinality matching in a graph is a problem appearing in numerous settings. The problem asks for a set of edges of maximum cardinality, such that no two edges of...
Dimitris Magos, Ioannis Mourtos, Leonidas S. Pitso...
KRDB
2003
111views Database» more  KRDB 2003»
14 years 10 months ago
A Framework for Answering Queries using Multiple Representation and Inference Techniques
The Polylog framework is designed to provide a language for efficiently automating complex queries of information represented in multiple formats. A Polylog program contains a set...
Nicholas L. Cassimatis
AI
2008
Springer
14 years 9 months ago
Analysing inconsistent first-order knowledgebases
It is well-known that knowledgebases may contain inconsistencies. We provide a framework of measures, based on a first-order four-valued logic, to quantify the inconsistency of a ...
John Grant, Anthony Hunter
ASPDAC
2004
ACM
120views Hardware» more  ASPDAC 2004»
15 years 2 months ago
Temporal floorplanning using 3D-subTCG
Improving logic capacity by time-sharing, dynamically reconfigurable FPGAs are employed to handle designs of high complexity and functionality. In this paper, we use a novel topo...
Ping-Hung Yuh, Chia-Lin Yang, Yao-Wen Chang, Hsin-...
FOCS
1998
IEEE
15 years 1 months ago
The Complexity of Acyclic Conjunctive Queries
This paper deals with the evaluation of acyclic Boolean conjunctive queries in relational databases. By well-known results of Yannakakis [1981], this problem is solvable in polynom...
Georg Gottlob, Nicola Leone, Francesco Scarcello