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EEE
2004
IEEE
13 years 11 months ago
2004
IEEE
Online (Web-based) examination is an effective solution for mass education evaluation. However, due to the incomplete of network security, students can communicate with each other...
CIKM
2005
Springer
13 years 9 months ago
2005
Springer
Inverted index structures are the mainstay of modern text retrieval systems. They can be constructed quickly using off-line mergebased methods, and provide efficient support for ...
SAC
2009
ACM
14 years 2 months ago
2009
ACM
Online feedback-based rating systems are gaining popularity. Dealing with collaborative unfair ratings in such systems has been recognized as an important but difficult problem. T...
SIGECOM
2000
ACM
13 years 11 months ago
2000
ACM
This paper studies auctions in a setting where the di erent bidders arrive at di erent times and the auction mechanism is required to make decisions about each bid as it is receiv...
ATAL
2006
Springer
13 years 11 months ago
2006
Springer
In this paper, we consider competition between sellers offering similar items in concurrent online auctions, where each seller must set its individual auction parameters (such as ...