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SAT阅读素材练习:a learning sysstem

2019-03-13 17:06:09来源:网络

  新东方在线SAT频道为大家带来SAT阅读素材练习:a learning sysstem一文,希望对大家SAT备考有所帮助。更多精彩尽请关注新东方在线SAT频道!

  Learning, Rule, Environment and overall planning of a learning sysstem

  The task of learning from environment (what forms environment - www is one for nell) should be specified. It requires the learner (in this case, could be nell) to infer the laws of the environment in terms of its percepts (explain the percepts in details here) and actions, and use the laws to solve problems (what kind of problems?).

  Based on research on problem space creation and discrimination learning, first design an approach in which exploration, rule creation and rule learning are coordinated in a single

  framework. With this approach, the system Nell creates certain rules by noticing the

  changes in the environment (web in our case) when actions (updating the web, linking in more info) are taken, and later refines the rules by explaining the failures of their predictions. Unlike

  many other learning systems, nell treats learning and problem solving as interleaved activities, no training instance nor any concept hierarchy is necessary to start learning. Furthermore,

  the approach is capable of discovering hidden features from the environment when normal discrimination process fails to make any progress.

  以上就为大家整理的“SAT阅读素材练习:a learning sysstem”,更多精彩内容,请关注新东方在线SAT频道。


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