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Indexing with Semantics - Lucene - [mail # user]
...I'm using Lucene's Term Freq vector to calculate cosine similarity between documents, Say my docments has these 3 terms, "owe" "owed" "owing". Lucene takes this as 3 separate terms, but 3 of...
   Author: Kasun Perera, 2012-04-28, 03:02
Calculating IDF value more efficiently - Lucene - [mail # user]
...This is my program to calculate TF-IDF value for a document in a collection of documents. This is working fine, but takes lot of time when calculating the "IDF" values (finding the no of doc...
   Author: Kasun Perera, 2012-04-28, 02:38
Re: Weighted cosine similarity calculation using Lucene - Lucene - [mail # user]
...Hi Erick  On Fri, Apr 20, 2012 at 5:14 PM, Erick Erickson wrote:   Yes I can boost the fields in the query time. But I'm using the termFreqVector get term frequencies and then calc...
   Author: Kasun Perera, 2012-04-20, 14:30
Weighted cosine similarity calculation using Lucene - Lucene - [mail # user]
...I have documents that are marked up with Taxonomy and Ontology terms separately. When I calculate the document similarity, I want to give higher weights to those Taxonomy terms and Ontology ...
   Author: Kasun Perera, 2012-04-20, 08:20
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