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SDM
2012
SIAM
281views Data Mining» more  SDM 2012»
11 years 10 months ago
Contextual Collaborative Filtering via Hierarchical Matrix Factorization
Matrix factorization (MF) has been demonstrated to be one of the most competitive techniques for collaborative filtering. However, state-of-the-art MFs do not consider contextual...
ErHeng Zhong, Wei Fan, Qiang Yang
ACMICEC
2006
ACM
142views ECommerce» more  ACMICEC 2006»
14 years 1 months ago
Trusting advice from other buyers in e-marketplaces: the problem of unfair ratings
In electronic marketplaces populated by self-interested agents, buyer agents would benefit by modeling the reputation of seller agents, in order to make effective decisions abou...
Jie Zhang, Robin Cohen
SIGMETRICS
2004
ACM
206views Hardware» more  SIGMETRICS 2004»
14 years 1 months ago
Performance aware tasking for environmentally powered sensor networks
The use of environmental energy is now emerging as a feasible energy source for embedded and wireless computing systems such as sensor networks where manual recharging or replacem...
Aman Kansal, Dunny Potter, Mani B. Srivastava
BMCBI
2006
161views more  BMCBI 2006»
13 years 7 months ago
A novel approach to phylogenetic tree construction using stochastic optimization and clustering
Background: The problem of inferring the evolutionary history and constructing the phylogenetic tree with high performance has become one of the major problems in computational bi...
Ling Qin, Yixin Chen, Yi Pan, Ling Chen
ICIP
2004
IEEE
14 years 9 months ago
Rate-distortion analysis of random access for compressed light fields
Image-based rendering data sets, such as light fields, require efficient compression due to their large data size, but also easy random access when rendering from the data set. Ef...
Prashant Ramanathan, Bernd Girod