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Title: On the data consumption benefits of accepting increased uncertainty
Authors: Martin, E.
Sharma, A.
Stephan, F. 
Keywords: Inductive inference
Iterative learning
Memory limitations
Mind change bounds
Issue Date: 6-Sep-2007
Citation: Martin, E., Sharma, A., Stephan, F. (2007-09-06). On the data consumption benefits of accepting increased uncertainty. Theoretical Computer Science 382 (3) : 170-182. ScholarBank@NUS Repository.
Abstract: In the context of learning paradigms of identification in the limit, we address the question: why is uncertainty sometimes desirable? We use mind change bounds on the output hypotheses as a measure of uncertainty and interpret 'desirable' as reduction in data memorization, also defined in terms of mind change bounds. The resulting model is closely related to iterative learning with bounded mind change complexity, but the dual use of mind change bounds - for hypotheses and for data - is a key distinctive feature of our approach. We show that situations exist where the more mind changes the learner is willing to accept, the less the amount of data it needs to remember in order to converge to the correct hypothesis. We also investigate relationships between our model and learning from good examples, set-driven, monotonic and strong-monotonic learners, as well as class-comprising versus class-preserving learnability. © 2007 Elsevier Ltd. All rights reserved.
Source Title: Theoretical Computer Science
ISSN: 03043975
DOI: 10.1016/j.tcs.2007.03.037
Appears in Collections:Staff Publications

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