517 search results - page 87 / 104 » Computing Fuzzy Answer Sets Using dlvhex |
GC
2008
Springer
13 years 10 months ago
2008
Springer
For a directed graph G without loops or parallel edges, let (G) denote the size of the smallest feedback arc set, i.e., the smallest subset X E(G) such that G \ X has no directed...
FOCS
2002
IEEE
14 years 2 months ago
2002
IEEE
We consider the problem of sampling almost uniformly from the set of contingency tables with given row and column sums, when the number of rows is a constant. Cryan and Dyer [3] h...
PPSN
1998
Springer
14 years 2 months ago
1998
Springer
This paper presents a novel evolutionary approach of approximating the shape of the Pareto-optimal set of multi-objective optimization problems. The evolutionary algorithm (EA) use...
PAM
2004
Springer
14 years 3 months ago
2004
Springer
Given that the global DNS system, especially at the higher root and top-levels, experiences significant query loads, we seek to answer the following questions: (1) How does the ch...
CIKM
2011
Springer
12 years 9 months ago
2011
Springer
A continuous top-k query retrieves the k most preferred objects in a data stream according to a given preference function. These queries are important for a broad spectrum of appl...