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» A General Polynomial Sieve
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STOC
2003
ACM
137views Algorithms» more  STOC 2003»
14 years 9 months ago
Near-optimal network design with selfish agents
We introduce a simple network design game that models how independent selfish agents can build or maintain a large network. In our game every agent has a specific connectivity requ...
Elliot Anshelevich, Anirban Dasgupta, Éva T...
STOC
2001
ACM
134views Algorithms» more  STOC 2001»
14 years 9 months ago
Data-streams and histograms
Histograms are typically used to approximate data distributions. Histograms and related synopsis structures have been successful in a wide variety of popular database applications...
Sudipto Guha, Nick Koudas, Kyuseok Shim
ICALP
2009
Springer
14 years 9 months ago
Limits and Applications of Group Algebras for Parameterized Problems
The algebraic framework introduced in [Koutis, Proc. of the 35th ICALP 2008] reduces several combinatorial problems in parameterized complexity to the problem of detecting multili...
Ioannis Koutis, Ryan Williams
ICALP
2009
Springer
14 years 9 months ago
Limiting Negations in Formulas
Negation-limited circuits have been studied as a circuit model between general circuits and monotone circuits. In this paper, we consider limiting negations in formulas. The minimu...
Hiroki Morizumi
PODS
2008
ACM
143views Database» more  PODS 2008»
14 years 9 months ago
XPath, transitive closure logic, and nested tree walking automata
We consider the navigational core of XPath, extended with two operators: the Kleene star for taking the transitive closure of path expressions, and a subtree relativisation operat...
Balder ten Cate, Luc Segoufin