August 2015
Intermediate to advanced
216 pages
4h 50m
English
Content preview from Clojure Data Structures and Algorithms CookbookBecome 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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Summarizing texts by extracting the most representative sentences
In this recipe, we are going to use an extractive method to build a summary out of a set of text documents. By extractive, we mean that rather than drawing any knowledge from the source documents in order to rephrase it in a more concise way, we'll try to detect the most salient sentences in those documents and show these as the summary of the text.
The algorithm we are going to use is somewhat inspired by Google's PageRank and is labeled as LexRank. The spirit behind it is if we try to represent every document sentence as a vector, we shall come up with a graph that represents all of these sentences tied together. Every edge drawn between each couple of sentences is weighted by ...
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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.