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CORR
2011
Springer
173views Education» more  CORR 2011»
15 years 1 months ago
Probability Based Clustering for Document and User Properties
Information Retrieval systems can be improved by exploiting context information such as user and document features. This article presents a model based on overlapping probabilistic...
Thomas Mandl, Christa Womser-Hacker
CORR
2011
Springer
143views Education» more  CORR 2011»
15 years 1 months ago
CoPhy: A Scalable, Portable, and Interactive Index Advisor for Large Workloads
Index tuning, i.e., selecting the indexes appropriate for a workload, is a crucial problem in database system tuning. In this paper, we solve index tuning for large problem instan...
Debabrata Dash, Neoklis Polyzotis, Anastasia Ailam...
SIAMNUM
2011
139views more  SIAMNUM 2011»
15 years 1 months ago
Adaptive Wavelet Schemes for Parabolic Problems: Sparse Matrices and Numerical Results
A simultaneous space-time variational formulation of a parabolic evolution problem is solved with an adaptive wavelet method. This method is shown to converge with the best possibl...
Nabi Chegini, Rob Stevenson
INFORMATICALT
2010
103views more  INFORMATICALT 2010»
15 years 1 months ago
Multistage K-Means Clustering for Scenario Tree Construction
Abstract. In stochastic programming and decision analysis, an important issue consists in the approximate representation of the multidimensional stochastic underlying process in th...
Kristina Sutiene, Dalius Makackas, Henrikas Pranev...
INTERSPEECH
2010
15 years 1 months ago
Prominence detection in Swedish using syllable correlates
This paper presents an approach to estimating word level prominence in Swedish using syllable level features. The paper discusses the mismatch problem of annotations between word ...
Samer Al Moubayed, Jonas Beskow