August 2014
Beginner to intermediate
304 pages
7h 10m
English
Content preview from Python 3 Text Processing with NLTK 3 Cookbook - Second EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Creating a MongoDB-backed corpus reader
All the corpus readers we've dealt with so far have been file-based. That is in part due to the design of the CorpusReader base class, and also the assumption that most corpus data will be in text files. However, sometimes you'll have a bunch of data stored in a database that you want to access and use just like a text file corpus. In this recipe, we'll cover the case where you have documents in MongoDB, and you want to use a particular field of each document as your block of text.
Getting ready
MongoDB is a document-oriented database that has become a popular alternative to relational databases such as MySQL. The installation and setup of MongoDB is outside the scope of this book, but you can find instructions ...
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