July 2017
Beginner to intermediate
486 pages
13h 49m
English
Content preview from Python Natural Language Processing
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Calculating the probability of a tree
If we want to calculate the probability of a tree, it is quite easy because you need to multiply the probability values of lexicons and grammar rules. This will give us the probability of a tree.
Let's look at an example to understand this calculation. Here, we will take two trees and the sentence for which we have generated trees, people fish tank with rods.
Refer to Figure 5.12 and Figure 5.13 for tree structures with their respective probability values before we calculate the probability of each tree:
Figure 5.12: Parse Tree
If we want calculate the probability for the parse tree given in Figure 5.12 ...
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