June 2017
Beginner to intermediate
404 pages
8h 22m
English
Content preview from Learning Elasticsearch
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Synonyms
Similar to rain and raining, weekend and sunday mean the same thing. The document might not contain Sunday, but if the information retrieval system can also search for synonyms, it will significantly improve the search quality. Human language deals with a lot of things, such as tense, gender, numbers. Stemming and synonyms will not only improve the search quality but also reduce the index size by removing the differences between similar words.
More examples:
Pen, Pen[s] -> Pen
Eat, Eating -> Eat
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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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.