Sciweavers

4428 search results - page 305 / 886
» The Chow Parameters Problem
Sort
View
SIGMOD
1995
ACM
148views Database» more  SIGMOD 1995»
15 years 10 months ago
Copy Detection Mechanisms for Digital Documents
In a digital library system, documents are available in digital form and therefore are more easily copied and their copyrights are more easily violated. This is a very serious pro...
Sergey Brin, James Davis, Hector Garcia-Molina
TREC
2008
15 years 8 months ago
A Study of Adaptive Relevance Feedback - UIUC TREC 2008 Relevance Feedback Experiments
In this paper, we report our experiments in the TREC 2008 Relevance Feedback Track. Our main goal is to study a novel problem in feedback, i.e., optimization of the balance of the...
Yuanhua Lv, ChengXiang Zhai
SDM
2007
SIAM
149views Data Mining» more  SDM 2007»
15 years 8 months ago
WAT: Finding Top-K Discords in Time Series Database
Finding discords in time series database is an important problem in a great variety of applications, such as space shuttle telemetry, mechanical industry, biomedicine, and financ...
Yingyi Bu, Oscar Tat-Wing Leung, Ada Wai-Chee Fu, ...
DMIN
2006
125views Data Mining» more  DMIN 2006»
15 years 8 months ago
Privacy-Preserving Bayesian Network Learning From Heterogeneous Distributed Data
In this paper, we propose a post randomization technique to learn a Bayesian network (BN) from distributed heterogeneous data, in a privacy sensitive fashion. In this case, two or ...
Jianjie Ma, Krishnamoorthy Sivakumar
PRIS
2004
15 years 8 months ago
Effect of Feature Smoothing Methods in Text Classification Tasks
Abstract. The number of features to be considered in a text classification system is given by the size of the vocabulary and this is normally in the range of the tens or hundreds o...
David Vilar, Hermann Ney, Alfons Juan, Enrique Vid...