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Issue No. 06 - November/December (2008 vol. 23)
ISSN: 1541-1672
pp: 49-55
Jue Wang , Chinese Academy of Sciences
Qing Tao , Chinese Academy of Sciences
The two fundamental problems in machine learning (ML) are statistical analysis and algorithm design. The former tells us the principles of the mathematical models that we establish from the observation data. The latter defines the conditions on which implementation of data models and data sets rely. A newly discovered challenge to ML is the Rashomon effect, which means that data are possibly generated from a mixture of heterogeneous sources. A simple classification standard can shed light on emerging forms of ML. This article is part of a special issue on AI in China.
machine learning, Rashomon effect, perceptron, nonlinear backpropagation, statistical analysis, algorithm design, feature selection, supervised learning, unsupervised learning, semisupervised learning, structural learning, symbolic learning methods, statistical learning methods, manifold learning, relational learning, learning to rank, rule + exception learning, metric learning, multi-instance learning

J. Wang and Q. Tao, "Machine Learning: The State of the Art," in IEEE Intelligent Systems, vol. 23, no. , pp. 49-55, 2008.
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