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» On the Hardness of Graph Isomorphism
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WSDM
2009
ACM
140views Data Mining» more  WSDM 2009»
14 years 3 months ago
Effective latent space graph-based re-ranking model with global consistency
Recently the re-ranking algorithms have been quite popular for web search and data mining. However, one of the issues is that those algorithms treat the content and link informati...
Hongbo Deng, Michael R. Lyu, Irwin King
FOCS
2009
IEEE
14 years 3 months ago
(Meta) Kernelization
Polynomial time preprocessing to reduce instance size is one of the most commonly deployed heuristics to tackle computationally hard problems. In a parameterized problem, every in...
Hans L. Bodlaender, Fedor V. Fomin, Daniel Lokshta...
SAT
2009
Springer
117views Hardware» more  SAT 2009»
14 years 3 months ago
Dynamic Symmetry Breaking by Simulating Zykov Contraction
Abstract. We present a new method to break symmetry in graph coloring problems. While most alternative techniques add symmetry breaking predicates in a pre-processing step, we deve...
Bas Schaafsma, Marijn Heule, Hans van Maaren
GIS
2007
ACM
14 years 18 days ago
Optimal traversal planning in road networks with navigational constraints
A frequent query in geospatial planning and decision making domains (e.g., emergency response, data acquisition, street cleaning), is to find an optimal traversal plan (OTP) that ...
Leyla Kazemi, Cyrus Shahabi, Mehdi Sharifzadeh, Lu...
COMBINATORICA
2008
92views more  COMBINATORICA 2008»
13 years 8 months ago
A separation theorem in property testing
Consider the following seemingly rhetorical question: Is it crucial for a property-tester to know the error parameter in advance? Previous papers dealing with various testing prob...
Noga Alon, Asaf Shapira