103 search results - page 21 / 21 » An Efficient Student Model Based on Student Performance and ... |
WSDM
2010
ACM
14 years 2 months ago
2010
ACM
We study the problem of designing a mechanism to rank items in forums by making use of the user reviews such as thumb and star ratings. We compare mechanisms where forum users rat...
CCS
2011
ACM
12 years 4 months ago
2011
ACM
Verifying that access-control systems maintain desired security properties is recognized as an important problem in security. Enterprise access-control systems have grown to prote...
ICAPR
2005
Springer
13 years 10 months ago
2005
Springer
Contrary to popular belief, despite decades of research in fingerprints, reliable fingerprint recognition is an open problem. Extracting features out of poor quality prints is t...