Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Temporal difference learning
Temporal difference learning (TD learning) is a concept in machine learning that attributes to a class of model-free reinforcement learning methods. The technique predicts a reward or quantity depending on the future values of the value function.
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<s> I am Sam </s>
<s> Sam I am </s>
<s> I am Sam </s>

<s> I do not like green eggs and Sam </s>

If we use linear interpolation smoothing between a maximum-likelihood bigram model and a maximum-likelihood unigram model with lambda1 = 1⁄2 and lambda2=1⁄2, what is P(Sam|am)? Include <s> and </s> in your counts just like any other token. 

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