82 search results - page 12 / 17 » Roundings Respecting Hard Constraints |
ICDT
2012
ACM
11 years 9 months ago
2012
ACM
A universal model of a database D and a set Σ of integrity constraints is a database that extends D, satisfies Σ, and is most general in the sense that it contains sound and co...
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...
SOCO
2009
Springer
14 years 1 months ago
2009
Springer
Model composition helps designers managing complexities by modeling different system views separately, and later compose them into an integrated model. In the past years, researche...
SIAMCOMP
2000
13 years 7 months ago
2000
We present a linear programming-based method for nding \gadgets", i.e., combinatorial structures reducing constraints of one optimization problem to constraints of another. A...
FOCS
2006
IEEE
14 years 1 months ago
2006
IEEE
Combinatorial allocation problems require allocating items to players in a way that maximizes the total utility. Two such problems received attention recently, and were addressed ...