November 2018
Beginner to intermediate
182 pages
4h 48m
English
Content preview from Natural Language Processing with Python Quick Start Guide
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Cleaning a corpus with FlashText
But what about a web-scale corpus with millions of documents and a few thousand keywords? Regex can take several days to run over such exact searches because of its linear time complexity. How can we improve this?
We can use FlashText for this very specific use case:
- A few million documents with a few thousand keywords
- Exact keyword matches – either by replacing or searching for the presence of those keywords
Of course, there are several different possible solutions to this problem. I recommend this for its simplicity and focus on solving one problem. It does not require us to learn new syntax or set up specific tools such as ElasticSearch.
The following table gives you a comparison of using Flashtext ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.