Support vector domain description
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IJCAI'95 Proceedings of the 14th international joint conference on Artificial intelligence - Volume 1
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AIA '08 Proceedings of the 26th IASTED International Conference on Artificial Intelligence and Applications
AI '09 Proceedings of the 22nd Australasian Joint Conference on Advances in Artificial Intelligence
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The One-Class Classification (OCC) approach is based on the assumption that samples are available only from a target class in the training phase. OCC methods have been applied with success to problems where the classes are very different in size. As class-imbalance problems are typical in protein classification tasks, we were interested in testing one-class classification algorithms for the detection of distant similarities in protein sequences and structures. We found that the OCC approach brought about a small improvement in classification performance compared to binary classifiers (SVM, ANN, Random Forest). More importantly, there is a substantial (50 to 100 fold) improvement in the training time. OCCs may provide an especially useful alternative for processing those protein groups where discriminative classifiers cannot be easily trained.