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WWW
2009
ACM
16 years 7 months ago
Rare item detection in e-commerce site
As the largest online marketplace in the world, eBay has a huge inventory where there are plenty of great rare items with potentially large, even rapturous buyers. These items are...
Dan Shen, Xiaoyuan Wu, Alvaro Bolivar
WWW
2008
ACM
16 years 7 months ago
Defection detection: predicting search engine switching
Searchers have a choice about which Web search engine they use when looking for information online. If they are unsuccessful on one engine, users may switch to a different engine ...
Allison P. Heath, Ryen W. White
KDD
2009
ACM
217views Data Mining» more  KDD 2009»
16 years 7 months ago
Efficient anomaly monitoring over moving object trajectory streams
Lately there exist increasing demands for online abnormality monitoring over trajectory streams, which are obtained from moving object tracking devices. This problem is challengin...
Yingyi Bu, Lei Chen 0002, Ada Wai-Chee Fu, Dawei L...
KDD
2007
ACM
149views Data Mining» more  KDD 2007»
16 years 6 months ago
Partial example acquisition in cost-sensitive learning
It is often expensive to acquire data in real-world data mining applications. Most previous data mining and machine learning research, however, assumes that a fixed set of trainin...
Victor S. Sheng, Charles X. Ling
CHI
2008
ACM
16 years 6 months ago
Attention by proxy? issues in audience awareness for webcasts to distributed groups
Instructor/student interaction in e-learning environments can positively impact both student learning and instructor satisfaction. In online webcast lectures, however, interaction...
Jeremy P. Birnholtz, Clarissa Mak, Saul Greenberg,...