Hello Mario,
I had a similar problem a few weeks ago (thread "How to get Term Weights
(document term matrix)?", 2006-11-02,
http://www.gossamer-threads.com/lists/lucene/java-user/41726).
I think there is no simple function creating a document term matrix or
accessing it. I extracted the matrix from my index and stored the matrix
in a database.
To create the matrix I iterated the terms and the documents for each term:
TermEnum terms=IndexReader.terms();
while(terms.next()) {
TermDocs docs=IndexReader.termDocs(terms.term());
while(docs.next()) {
//store the term, the document and the weight
//document frequency: indexreader.docFreq(term)
//term frequency: termdoc.freq()
}
}
Sören
mariolone wrote:
Hi!!!!
I have a problem:
i must create a matrix term for document in which every element of the
matrix it represents the number of occurrences of that term in the document.
How can I do?
Can someone help me?
Thanks to all....
P.S. I must applicate LSA to this matrix.
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