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AAAI
2006
14 years 11 months ago
Model-Based Collaborative Filtering as a Defense against Profile Injection Attacks
The open nature of collaborative recommender systems allows attackers who inject biased profile data to have a significant impact on the recommendations produced. Standard memory-...
Bamshad Mobasher, Robin D. Burke, Jeff J. Sandvig
84
Voted
CATE
2004
133views Education» more  CATE 2004»
14 years 11 months ago
Semi-Automatic Evaluation Features in Computer-assisted Essay Assessment
The role of assessment and evaluation has recently changed in a way which will have fundamental consequences in applying information and communication technologies (ICTs) to analy...
Tuomo Kakkonen, Niko Myller, Erkki Sutinen
AIEDU
2004
71views more  AIEDU 2004»
14 years 9 months ago
Using Intelligent Feedback to Improve Sourcing and Integration in Students' Essays
Learning and reasoning from multiple documents requires students to employ the skills of sourcing (i.e., attending to and citing sources) and information integration (i.e., making ...
Mary Anne Britt, Peter M. Wiemer-Hastings, Aaron A...
ICASSP
2010
IEEE
14 years 8 months ago
Building pair-wise visual word tree for efficent image re-ranking
Bag-of-visual Words (BoW) image representation is getting popular in computer vision and multimedia communities. However, experiments show that the traditional BoW representation ...
Shiliang Zhang, Qingming Huang, Yijuan Lu, Wen Gao...
CIVR
2008
Springer
239views Image Analysis» more  CIVR 2008»
14 years 11 months ago
Analyzing Flickr groups
There is an explosion of community-generated multimedia content available online. In particular, Flickr constitutes a 200-million photo sharing system where users participate foll...
Radu Andrei Negoescu, Daniel Gatica-Perez