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VLDB
1999
ACM
174views Database» more  VLDB 1999»
14 years 2 days ago
Extending Practical Pre-Aggregation in On-Line Analytical Processing
On-Line Analytical Processing (OLAP) based on a dimensional view of data is being used increasingly for the purpose of analyzing very large amounts of data. To improve query perfo...
Torben Bach Pedersen, Christian S. Jensen, Curtis ...
ICDCSW
2007
IEEE
14 years 2 months ago
Building Trust in Online Rating Systems Through Signal Modeling
Abstract— Online feedback-based rating systems are gaining popularity. Dealing with unfair ratings in such systems has been recognized as an important but difficult problem. Thi...
Yafei Yang, Yan Lindsay Sun, Jin Ren, Qing Yang
ICMCS
2005
IEEE
116views Multimedia» more  ICMCS 2005»
14 years 1 months ago
Distance-Level Fusion Strategies for Online Signature Verification
In this paper an approach for combining online signature authentication experts will be proposed. The different experts are based on one feature extraction method presented in our...
Tobias Scheidat, Claus Vielhauer, Jana Dittmann
ICTIR
2009
Springer
14 years 2 months ago
Time-Sensitive Language Modelling for Online Term Recurrence Prediction
We address the problem of online term recurrence prediction: for a stream of terms, at each time point predict what term is going to recur next in the stream given the term occurre...
Dell Zhang, Jinsong Lu, Robert Mao, Jian-Yun Nie
AAIM
2007
Springer
120views Algorithms» more  AAIM 2007»
13 years 12 months ago
Online OVSF Code Assignment with Resource Augmentation
Abstract. Orthogonal Variable Spreading Factor (OVSF) code assignment is a fundamental problem in Wideband Code-Division MultipleAccess (W-CDMA) systems, which play an important ro...
Francis Y. L. Chin, Yong Zhang, Hong Zhu