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MCG-ICT at MediaEval 2015: Verifying Multimedia Use with a Two-Level Classification Model
MediaEval Benchmarking Initiative for Multimedia Evaluation
The Verifying Multimedia Use task aims to detect misuse of online multimedia content and verify them as real or fake. This is a highly challenging problem because of strong variations among tweets from different events. Traditional approaches train the classifier at message level, which ignores inter-message relations. We propose a two-level classification model to exploit the information that tweets of a same topic are probably have same credibility values. In this model a topic level isdblp:conf/mediaeval/JinCZZ15 fatcat:fmpvxr6if5bwfgz4cfe5t4zdhe