A Sequential Model for Multi-Class Classification

Details A Sequential Model for Multi-Class Classification A Sequential Model for Multi-Class Classification

2001-06-20

arxiv.org/abs/cs/0106044v1

Computer Science

Artificial Intelligence

Scientific paper

Many classification problems require decisions among a large number of competing classes. These tasks, however, are not handled well by general purpose learning methods and are usually addressed in an ad-hoc fashion. We suggest a general approach -- a sequential learning model that utilizes classifiers to sequentially restrict the number of competing classes while maintaining, with high probability, the presence of the true outcome in the candidates set. Some theoretical and computational properties of the model are discussed and we argue that these are important in NLP-like domains. The advantages of the model are illustrated in an experiment in part-of-speech tagging.

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