Communications of the ACM
Genetic Algorithms in Search, Optimization and Machine Learning
Genetic Algorithms in Search, Optimization and Machine Learning
Optimizing search engines using clickthrough data
Proceedings of the eighth ACM SIGKDD international conference on Knowledge discovery and data mining
Propagation of trust and distrust
Proceedings of the 13th international conference on World Wide Web
An introduction to ROC analysis
Pattern Recognition Letters - Special issue: ROC analysis in pattern recognition
Analyzing seller practices in a Brazilian marketplace
Proceedings of the 18th international conference on World wide web
The effects of source credibility ratings in a cultural heritage information aggregator
Proceedings of the 3rd workshop on Information credibility on the web
Blog credibility ranking by exploiting verified content
Proceedings of the 3rd workshop on Information credibility on the web
Cutting-plane training of structural SVMs
Machine Learning
Fraud detection in reputation systems in e-markets using logistic regression
Proceedings of the 2010 ACM Symposium on Applied Computing
EUC '10 Proceedings of the 2010 IEEE/IFIP International Conference on Embedded and Ubiquitous Computing
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The popularization of the Web has given rise to new services every day, demanding mechanisms to ensure the credibility of these services. In this work we adopt a framework for the design, implementation and evaluation of credibility models. We call a credibility model a function capable of assigning a credibility value to a transaction of a Web application, considering different criteria of this service and its supplier. To validate this framework and models, we perform experiments using an actual dataset, from which we evaluated different credibility models using distinct types of information. The obtained results are very good, showing representative gains, when compared to a baseline and also to a known state-of-the-art approach. The results show that the credibility framework can be used to enforce trust to users of services on the Web.