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ECIR
2010
Springer
15 years 4 months ago
Query Aspect Based Term Weighting Regularization in Information Retrieval
Abstract. Traditional retrieval models assume that query terms are independent and rank documents primarily based on various term weighting strategies including TF-IDF and document...
Wei Zheng, Hui Fang
NIPS
1998
15 years 7 months ago
Controlling the Complexity of HMM Systems by Regularization
This paper introduces a method for regularization of HMM systems that avoids parameter overfitting caused by insufficient training data. Regularization is done by augmenting the E...
Christoph Neukirchen, Gerhard Rigoll
ICASSP
2010
IEEE
15 years 4 months ago
Psychoacoustically motivated, frequency dependent Tikhonov regularization for soundfield parametrization
Noise is inevitably introduced during model based parametrization of acoustic fields, acquired using microphone arrays. This is due to the finite number of microphones used, the f...
Deep Sen, Shuai Wang, Andy Deffrasnes
SODA
2008
ACM
105views Algorithms» more  SODA 2008»
15 years 7 months ago
Deterministic random walks on regular trees
Jim Propp's rotor router model is a deterministic analogue of a random walk on a graph. Instead of distributing chips randomly, each vertex serves its neighbors in a fixed or...
Joshua N. Cooper, Benjamin Doerr, Tobias Friedrich...
CONCUR
2005
Springer
15 years 12 months ago
Regular Symbolic Analysis of Dynamic Networks of Pushdown Systems
We introduce two abstract models for multithreaded programs based on dynamic networks of pushdown systems. We address the problem of symbolic reachability analysis for these models...
Ahmed Bouajjani, Markus Müller-Olm, Tayssir T...