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DKE
2007
119views more  DKE 2007»
13 years 9 months ago
Error minimization in approximate range aggregates
Histogram techniques have been used in many commercial database management systems to estimate a query result size. Recently, it has been shown that they are very effective to su...
Xuemin Lin, Qing Zhang, Yidong Yuan, Qing Liu
DKE
2007
111views more  DKE 2007»
13 years 9 months ago
Category ranking for personalized search
Despite the effectiveness of search engines, the persistently increasing amount of web data continuously obscures the search task. Efforts have thus concentrated on personalized...
Christos Makris, Yannis Panagis, Evangelos Sakkopo...
DKE
2007
89views more  DKE 2007»
13 years 9 months ago
The effect of threshold values on association rule based classification accuracy
Classification Association Rule Mining (CARM) systems operate by applying an Association Rule Mining (ARM) method to obtain classification rules from a training set of previousl...
Frans Coenen, Paul H. Leng
DKE
2007
103views more  DKE 2007»
13 years 9 months ago
Value and the information market
In this paper we explore how (micro)economic theory can be used to analyze and model the exchange of information on the Web. More specifically, we consider searchers for informati...
Patrick van Bommel, Bas van Gils, Henderik Alex Pr...
DKE
2007
88views more  DKE 2007»
13 years 9 months ago
Regression analysis for massive datasets
In this paper, a two-stage block hypothesis testing following the idea of Fan, Lin and Cheng (2004) is proposed for massive data regression analysis. Variables selection criteria ...
Tsai-Hung Fan, Dennis K. J. Lin, Kuang-Fu Cheng