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ECWEB
2001
Springer
140views ECommerce» more  ECWEB 2001»
14 years 3 months ago
A Two-Layered Integration Approach for Product Information in B2B E-commerce
Electronic B2B marketplaces bring together many online suppliers and buyers, each of which can potentially use his own format to represent the products in his product catalog. The ...
Borys Omelayenko, Dieter Fensel
AIED
2005
Springer
14 years 4 months ago
Tradeoff analysis between knowledge assessment approaches
Abstract: The problem of modeling and assessing an individual’s ability level is central to learning environments. Numerous approaches exists to this end. Computer Adaptive Testi...
Michel Desmarais, Shunkai Fu, Xiaoming Pu
OSDI
2008
ACM
14 years 11 months ago
Probabilistic Inference in Queueing Networks
Although queueing models have long been used to model the performance of computer systems, they are out of favor with practitioners, because they have a reputation for requiring u...
Charles A. Sutton, Michael I. Jordan
SDM
2009
SIAM
117views Data Mining» more  SDM 2009»
14 years 7 months ago
Spatially Cost-Sensitive Active Learning.
In active learning, one attempts to maximize classifier performance for a given number of labeled training points by allowing the active learning algorithm to choose which points...
Alexander Liu, Goo Jun, Joydeep Ghosh
IPSN
2009
Springer
14 years 5 months ago
Application-informed radio duty-cycling in a re-taskable multi-user sensing system
As sensor networks mature, there will be an increasing need for re-usable, dynamically taskable software systems that support multiple concurrent applications. In this paper, we c...
Omprakash Gnawali, Jongkeun Na, Ramesh Govindan