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WECWIS
2005
IEEE
137views ECommerce» more  WECWIS 2005»
15 years 3 months ago
Using Singular Value Decomposition Approximation for Collaborative Filtering
Singular Value Decomposition (SVD), together with the Expectation-Maximization (EM) procedure, can be used to find a low-dimension model that maximizes the loglikelihood of obser...
Sheng Zhang, Weihong Wang, James Ford, Fillia Make...
WECWIS
2005
IEEE
145views ECommerce» more  WECWIS 2005»
15 years 3 months ago
Ambient e-Service Embracing Model
The notion of ambient e-services is defined in this paper to identify a new scope of mobile e-services. The notable features of ambient e-services are the exhilarated linkage based...
Yuanchu Hwang, Soe-Tsyr Yuan
WECWIS
2005
IEEE
140views ECommerce» more  WECWIS 2005»
15 years 3 months ago
Developing Flexible Service Portals
Flexible workflow systems are needed for processes that need consistency as well as flexibility (e.g., personalized client interactions). A methodology for designing flexible serv...
Beat Liver, Jeannette Braun, Beatrix Rentsch, Pete...
WECWIS
2005
IEEE
143views ECommerce» more  WECWIS 2005»
15 years 3 months ago
A Groves Mechanism Approach to Decentralized Design of Supply Chains
In this paper, a generic optimization problem arising in supply chain design is modeled in a game theoretic framework and solved as a decentralized problem using a mechanism desig...
Dinesh Garg, Yadati Narahari, Earnest Foster, Deva...
WECWIS
2005
IEEE
94views ECommerce» more  WECWIS 2005»
15 years 3 months ago
Truthful Online Auctions for Pricing Peer-to-Peer Services
We consider truthful online auctions that aim at optimizing sellers’ revenues, representing service contributors’ satisfactions, as a general model for pricing peer-to-peer se...
Po-An Chen, Tyng-Ruey Chuang