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    jessie is offline Member
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    Default finding idf for noun phrases

    Hi,

    i have a set of 500 articles in my db from which im extracting noun phraes. im using the stanford POS tagger for POS tagging and then a NP chunker to identify noun phrases. both these tools accept text files as input..so at every stage i generate a text file of 500 articles to provide as input to these tools..
    now i have a list of all the noun phrases and their frequencies,in 500 articles.
    i want to weight the Most frequent NPs using idf.
    but i cannot find a way of doing it. can somebody help me with this?

    thanks
    jessie
    Last edited by jessie; 11-22-2010 at 01:10 PM.

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