Please use this identifier to cite or link to this item: https://scholarbank.nus.edu.sg/handle/10635/39423
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dc.titleTeam learning of computable languages
dc.contributor.authorJain, S.
dc.contributor.authorSharma, A.
dc.date.accessioned2013-07-04T07:41:17Z
dc.date.available2013-07-04T07:41:17Z
dc.date.issued2000
dc.identifier.citationJain, S.,Sharma, A. (2000). Team learning of computable languages. Theory of Computing Systems 33 (1) : 35-58. ScholarBank@NUS Repository.
dc.identifier.issn14324350
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/39423
dc.description.abstractA team of learning machines is a multiset of learning machines. A team is said to learn a concept successfully if each member of some nonempty subset, of predetermined size, of the team learns the concept. Team learning of languages may be viewed as a suitable theoretical model for studying computational limits on the use of multiple heuristics in learning from examples. Team learning of recursively enumerable languages has been studied extensively. However, it may be argued that from a practical point of view all languages of interest are computable. This paper gives theoretical results about team learnability of computable (recursive) languages. These results are mainly about two issues: redundancy and aggregation. The issue of redundancy deals with the impact of increasing the size of a team and increasing the number of machines required to be successful. The issue of aggregation deals with conditions under which a team may be replaced by a single machine without any loss in learning ability. The learning scenarios considered are: (a) Identification in the limit of grammars for computable languages. (b) Identification in the limit of decision procedures for computable languages. (c) Identification in the limit of grammars for indexed families of computable languages. (d) Identification in the limit of grammars for indexed families with a recursively enumerable class of grammars for the family as the hypothesis space. Scenarios that can be modeled by team learning are also presented.
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentCOMPUTER SCIENCE
dc.description.sourcetitleTheory of Computing Systems
dc.description.volume33
dc.description.issue1
dc.description.page35-58
dc.identifier.isiutNOT_IN_WOS
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