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AAAI
2012
11 years 8 months ago
Improving Twitter Retrieval by Exploiting Structural Information
Most Twitter search systems generally treat a tweet as a plain text when modeling relevance. However, a series of conventions allows users to tweet in structural ways using combin...
Zhunchen Luo, Miles Osborne, Sasa Petrovic, Ting W...
APPROX
2006
Springer
89views Algorithms» more  APPROX 2006»
13 years 10 months ago
Online Algorithms to Minimize Resource Reallocations and Network Communication
Abstract. In this paper, we consider two new online optimization problems (each with several variants), present similar online algorithms for both, and show that one reduces to the...
Sashka Davis, Jeff Edmonds, Russell Impagliazzo
DAGSTUHL
2007
13 years 7 months ago
A Deeper Investigation of PageRank as a Function of the Damping Factor
PageRank is defined as the stationary state of a Markov chain. The chain is obtained by perturbing the transition matrix induced by a web graph with a damping factor α that spre...
Paolo Boldi, Massimo Santini, Sebastiano Vigna
INTEGRATION
2008
87views more  INTEGRATION 2008»
13 years 6 months ago
SafeResynth: A new technique for physical synthesis
Physical synthesis is a relatively young field in Electronic Design Automation. Many published optimizations for physical synthesis end up hurting the quality of the final design,...
Kai-Hui Chang, Igor L. Markov, Valeria Bertacco
JETAI
2002
57views more  JETAI 2002»
13 years 6 months ago
Contextualizing concepts using a mathematical generalization of the quantum formalism
We outline the rationale and preliminary results of using the State Context Property (SCOP) formalism, originally developed as a generalization of quantum mechanics, to describe t...
Liane Gabora, Diederik Aerts