The math and algorithms behind a search library

Re:The math and algorithms behind a search library by amelius on Saturday November 11, 2017 @01:43PM (#15677501)

Finally a post on search algorithms on HN again!

Pardon my surprise, but I think it's kind of strange that we see so little on HN of this topic, which is one of the pillars of Computer Science, and also at the core of one of the most successful IT companies.

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Re:The math and algorithms behind a search library by leetcrew on Saturday November 11, 2017 @02:13PM (#15677627)

I think we see surprisingly little of anything search related. In terms of full-scale solutions, there is basically just Elasticsearch and solr. When you look at lower level libraries available, there is very little outside the Lucene world.

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Re:The math and algorithms behind a search library by fabrice_d on Saturday November 11, 2017 @11:49PM (#15679710)

You may be interested by Xapian (https://xapian.org/) which is a very solid alternative to Lucene.

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Re:The math and algorithms behind a search library by aditirex on Monday November 13, 2017 @03:31AM (#15685103)

There's also Sphinx search (written in C++ and not based on Lucene) and the newly Manticore search fork. (disclaimer: I was/am involved in both projects).

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Re:The math and algorithms behind a search library by sorokod on Saturday November 11, 2017 @04:29PM (#15678287)

I believe that the search part of both ES and Solr is Apache Lucene

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Re:The math and algorithms behind a search library by amelius on Saturday November 11, 2017 @04:41PM (#15678340)

Yes, it's good software, but pretty much a monoculture.

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Re:The math and algorithms behind a search library by erpellan on Saturday November 11, 2017 @06:29PM (#15678769)

Yes, and?

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Re:The math and algorithms behind a search library by amelius on Saturday November 11, 2017 @03:20PM (#15677965)

Yes, and I'd also like to see more posts/projects on the combination of search and NLP (natural language processing).

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Re:The math and algorithms behind a search library by nerdponx on Monday November 13, 2017 @07:53AM (#15686124)

Doesn't SQLite of all things include an (optional) native full-text-search engine?

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Re:The math and algorithms behind a search library by jazoom on Saturday November 11, 2017 @05:05PM (#15678439)

And now Vespa.

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