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MP
2006
81views more  MP 2006»
15 years 7 months ago
Almost all webs are not rank-perfect
Graphs with circular symmetry, called webs, are relevant w.r.t. describing the stable set polytopes of two larger graph classes, quasi-line graphs [8,12] and claw-free graphs [7,8]...
Arnaud Pêcher, Annegret Wagler
GRID
2007
Springer
15 years 7 months ago
A Local Facility Location Algorithm for Large-scale Distributed Systems
In the facility location problem (FLP) we are given a set of facilities and a set of clients, each of which is to be served by one facility. The goal is to decide which subset of f...
Denis Krivitski, Assaf Schuster, Ran Wolff
KAIS
2000
86views more  KAIS 2000»
15 years 7 months ago
A Mathematical Foundation for Improved Reduct Generation in Information Systems
When data sets are analyzed, statistical pattern recognition is often used to find the information hidden in the data. Another approach to information discovery is data mining. Dat...
Janusz A. Starzyk, Dale E. Nelson, Kirk Sturtz
TIT
1998
127views more  TIT 1998»
15 years 7 months ago
On a New Class of Codes for Identifying Vertices in Graphs
—We investigate a new class of codes for the optimal covering of vertices in an undirected graph Gsuch that any vertex in G can be uniquely identified by examining the vertices ...
Mark G. Karpovsky, Krishnendu Chakrabarty, Lev B. ...
PVLDB
2010
119views more  PVLDB 2010»
15 years 6 months ago
Chase Termination: A Constraints Rewriting Approach
Several database areas such as data exchange and integration share the problem of fixing database instance violations with respect to a set of constraints. The chase algorithm so...
Francesca Spezzano, Sergio Greco