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beam_search [2017/08/27 20:21]
127.0.0.1 external edit
beam_search [2018/11/03 11:11] (current)
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 http://​julian.togelius.com/​Bravi2017Evolving.pdf Evolving game-specific UCB alternatives http://​julian.togelius.com/​Bravi2017Evolving.pdf Evolving game-specific UCB alternatives
 for General Video Game Playing for General Video Game Playing
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 +https://​arxiv.org/​pdf/​1708.00111.pdf A Continuous Relaxation of Beam Search for End-to-end Training of Neural
 +Sequence Models
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 +https://​arxiv.org/​abs/​1811.00512v1 Learning Beam Search Policies via Imitation Learning
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 +Beam search is widely used for approximate decoding in structured prediction problems. Models often use a beam at test time but ignore its existence at train time, and therefore do not explicitly learn how to use the beam. We develop an unifying meta-algorithm for learning beam search policies using imitation learning. In our setting, the beam is part of the model, and not just an artifact of approximate decoding. Our meta-algorithm captures existing learning algorithms and suggests new ones. It also lets us show novel no-regret guarantees for learning beam search policies.
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