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7.6

Word frequency/relevancy search

Asked by pellep in Java Programming Language

Tags: word, frequency, search

Basic premise

I have a DB table with lots of text data. I will probably load the entire table into memory.

I need to search that data based on word frequency and relevance.

For example
I search for "I like to eat bananas"

It should return me all entries containing at least x number of the words in my query, x beeing some defined threshold. It might be that I end up having to match 'similar words' too, ie if the database has an entry contining the word 'eating' it should return that if I query for 'eat', and vice versa. Naturally, it should also discard certain words that have no meaning out of context, like 'and', 'I', 'for' (pronouns, conjunctive words etc.).

I'm looking for directions to algorithms, libraries (commercial and/or open source), examples, really anything useful. I don't really have the time or the budget to do exhaustive testing or developing my own algorithms for this, so I'm looking for proven, efficient sollutions.

Thank you in advance
[+][-]07/05/06 12:04 PM, ID: 17045393Expert Comment

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[+][-]07/05/06 01:07 PM, ID: 17045983Author Comment

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[+][-]07/05/06 01:09 PM, ID: 17045997Accepted Solution

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About this solution

Zone: Java Programming Language
Tags: word, frequency, search
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Solution Provided By: Vinod_VijayanVin
Participating Experts: 4
Solution Grade: A
 
[+][-]07/05/06 04:17 PM, ID: 17047108Expert Comment

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[+][-]07/06/06 12:24 AM, ID: 17048749Expert Comment

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