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WECWIS
2005
IEEE
137views ECommerce» more  WECWIS 2005»
16 years 6 days 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...
IUI
2005
ACM
16 years 6 days ago
A location representation for generating descriptive walking directions
An expressive representation for location is an important component in many applications. However, while many location-aware applications can reason about space at the level of co...
Gary Look, Buddhika Kottahachchi, Robert Laddaga, ...
MM
2004
ACM
142views Multimedia» more  MM 2004»
16 years 2 days ago
Learning query-class dependent weights in automatic video retrieval
Combining retrieval results from multiple modalities plays a crucial role for video retrieval systems, especially for automatic video retrieval systems without any user feedback a...
Rong Yan, Jun Yang 0003, Alexander G. Hauptmann
SAC
2004
ACM
16 years 2 days ago
Trust enhanced ubiquitous payment without too much privacy loss
Computational models of trust have been proposed for use in ubicomp environments for deciding whether to allow customers to pay with an e-purse or not. In order to build trust in ...
Jean-Marc Seigneur, Christian Damsgaard Jensen
SAC
2004
ACM
16 years 2 days ago
An anonymous bonus point system for mobile commerce based on word-of-mouth recommendation
Next generation mobile devices will allow users to share and pass information within anonymous groups of people in an ad hoc manner. This will smooth the path for many kinds of ne...
Tobias Straub, Andreas Heinemann