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» On the Satisfiability of Complex Constraints
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POPL
2006
ACM
16 years 6 months ago
A hierarchical model of data locality
In POPL 2002, Petrank and Rawitz showed a universal result-finding optimal data placement is not only NP-hard but also impossible to approximate within a constant factor if P = NP...
Chengliang Zhang, Chen Ding, Mitsunori Ogihara, Yu...
STOC
2007
ACM
239views Algorithms» more  STOC 2007»
16 years 6 months ago
Approximating minimum bounded degree spanning trees to within one of optimal
In the MINIMUM BOUNDED DEGREE SPANNING TREE problem, we are given an undirected graph with a degree upper bound Bv on each vertex v, and the task is to find a spanning tree of min...
Mohit Singh, Lap Chi Lau
EDBT
2002
ACM
125views Database» more  EDBT 2002»
16 years 6 months ago
Estimating Answer Sizes for XML Queries
Abstract. Estimating the sizes of query results, and intermediate results, is crucial to many aspects of query processing. In particular, it is necessary for effective query optimi...
Yuqing Wu, Jignesh M. Patel, H. V. Jagadish
LCTRTS
2010
Springer
16 years 1 months ago
Contracts for modular discrete controller synthesis
We describe the extension of a reactive programming language with a behavioral contract construct. It is dedicated to the programming of reactive control of applications in embedd...
Gwenaël Delaval, Hervé Marchand, &Eacu...
SI3D
2009
ACM
16 years 1 months ago
Dynamic solid textures for real-time coherent stylization
Stylized rendering methods, which aim at depicting 3D scenes with 2D marks such as pigments or strokes, are often faced with temporal coherence issues when applied to dynamic scen...
Pierre Bénard, Adrien Bousseau, Joëlle...