1450 search results - page 50 / 290 » On the Complexity of Hardness Amplification |
IS
2008
13 years 7 months ago
2008
Consistent query answering is the problem of characterizing and computing the semantically correct answers to queries from a database that may not satisfy certain integrity constr...
STACS
2010
Springer
14 years 2 months ago
2010
Springer
We call a CNF formula linear if any two clauses have at most one variable in common. We show that there exist unsatisfiable linear k-CNF formulas with at most 4k2 4k clauses, and ...
FOCS
2009
IEEE
14 years 2 months ago
2009
IEEE
— We study the complexity of a class of problems involving satisfying constraints which remain the same under translations in one or more spatial directions. In this paper, we sh...
GLOBECOM
2008
IEEE
14 years 2 months ago
2008
IEEE
— In this paper we study the complexity of spectrum assignment problems in cognitive radio networks (CRNs) in the presence of several constraints. Although optimal spectrum assig...
TARK
2007
Springer
14 years 1 months ago
2007
Springer
Social choice rules are often evaluated and compared by inquiring whether they fulfill certain desirable criteria such as the Condorcet criterion, which states that an alternativ...