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BNCOD
2007
160views Database» more  BNCOD 2007»
15 years 2 months ago
Parameterized XPath Views
: We present a new approach for accelerating the execution of XPath expressions using parameterized materialized XPath views (PXV). While the approach is generic we show how it can...
Timo Böhme, Erhard Rahm
SIAMIS
2008
279views more  SIAMIS 2008»
15 years 15 days ago
A New Alternating Minimization Algorithm for Total Variation Image Reconstruction
We propose, analyze and test an alternating minimization algorithm for recovering images from blurry and noisy observations with total variation (TV) regularization. This algorith...
Yilun Wang, Junfeng Yang, Wotao Yin, Yin Zhang
ICML
2008
IEEE
16 years 1 months ago
Estimating local optimums in EM algorithm over Gaussian mixture model
EM algorithm is a very popular iteration-based method to estimate the parameters of Gaussian Mixture Model from a large observation set. However, in most cases, EM algorithm is no...
Zhenjie Zhang, Bing Tian Dai, Anthony K. H. Tung
108
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PKDD
2004
Springer
131views Data Mining» more  PKDD 2004»
15 years 6 months ago
Asynchronous and Anticipatory Filter-Stream Based Parallel Algorithm for Frequent Itemset Mining
Abstract In this paper we propose a novel parallel algorithm for frequent itemset mining. The algorithm is based on the filter-stream programming model, in which the frequent item...
Adriano Veloso, Wagner Meira Jr., Renato Ferreira,...
3DPVT
2002
IEEE
219views Visualization» more  3DPVT 2002»
15 years 5 months ago
A Multi-Resolution Scheme ICP Algorithm for Fast Shape Registration
The iterative closest point (ICP) algorithm is widely used for the registration of geometric data. One of its main drawbacks is its quadratic time complexity O(N2 ) with the shape...
Timothée Jost, Heinz Hügli