Active Learning from Oracle with Knowledge Blind Spot

AAAI Press
Publication Type:
Conference Proceeding
Proceedings of the Twenty-Sixth AAAI Conference on Artificial Intelligence, 2012, pp. 2421 - 2422
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Active learning traditionally assumes that an oracle is capable of providing labeling information for each query instance. This paper formulates a new research problem which allows an oracle admit that he/she is incapable of labeling some query instances or simply answer âI donât know the labelâ . We define a unified objective function to ensure that each query instance submitted to the oracle is the one mostly needed for labeling and the oracle should also has the knowledge to label. Experiments based on dierent types of knowledge blind spot (KBS) models demonstrate the eectiveness of the proposed design.
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