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JavaScript algorithm to match text as closely as possible (but not identical)

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  • 18-02-2015 11:12pm
    #1
    embraer170
    Registered Users Posts: 2,421 ✭✭✭


    Hi there,

    Do you have any advice for a JavaScript algorithm, which searches through a database of strings of text to find multiple matches as closely related as possible to one particular string.

    For example:
    I ate a chicken

    Database:
    I think I ate bad chicken for my lunch
    I had chicken salad for breakfast
    Had I eaten breakfast, I would have felt better.

    It would be a large database and will have to repeat hundreds of times for different searches.


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    #2
    Giblet
    Registered Users Posts: 11,977 ✭✭✭✭Giblet


    You would use an indexer of some sort for this, such as Solr or Elastic Search (both based on Lucene).


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    #3
    bpmurray
    Registered Users Posts: 1,275 ✭✭✭bpmurray


    I've never hear of fuzzy matching written in JavaScript - that sounds rather ambitious. Instead, use something like Lucene as Giblit suggested - FuzzyQuery might be what you want.


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    #4
    colm_c
    Registered Users Posts: 2,030 ✭✭✭colm_c


    Depends on the overall solution, but I don't think a client side JS will be up to the job, here's a node module which might help:
    https://github.com/mattyork/fuzzy


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    #5
    embraer170
    Registered Users Posts: 2,421 ✭✭✭embraer170


    Thanks all for your help, I will be doing some digging based on these references.


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