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A treebank is often used to assign probabilities to rules in a PCFG. Is there a chance that certain rules have a probability of 0.0? What is the issue if the likelihood of a rule is 0.0? What are the methods for overcoming it?

A treebank is often used to assign probabilities to rules in a PCFG. Is there a chance that certain rules have a probability of 0.0? What is the issue if the likelihood of a rule is 0.0? What are the methods for overcoming it?

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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A treebank is often used to assign probabilities to rules in a PCFG. Is there a chance that certain rules have a probability of 0.0? What is the issue if the likelihood of a rule is 0.0? What are the methods for overcoming it?
Transcribed Image Text:A treebank is often used to assign probabilities to rules in a PCFG. Is there a chance that certain rules have a probability of 0.0? What is the issue if the likelihood of a rule is 0.0? What are the methods for overcoming it?
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