Blogs, tutorials, articles and essays about math,
coding and natural language processing.
Normalization, Tokenization, Sentence Segmentation + Useful Methods
What does normalizing a text do? We have previously called this method .lower() to turn all of the words lowercase, so that strings like “the” and “The” both become “the”, so we don’t double count them.
Input Methods, String & Unicode, Regular Expression Use Cases
NLTK has preprocessed texts. But we can also import and process our own texts. Importing from __future__ import division import nltk, re, pprint To Import a Book as a Txt Install urlopen: !pip install urlopen And:
Grammars, Derivation, Expressiveness, Chomsky Hierarchy
Previously, we talked about how languages are studied using the notion of a formal language. Formal language is a mathematical construction that uses sets to describe a language and understand its properties.