Hi, i was looking at another post which had this presentation in - it has a nice section on termfreqvectors:
http://www.cnlp.org/presentations/slides/advancedluceneeu.pdf bec :) On 2 June 2010 13:56, Rebecca Watson <bec.wat...@gmail.com> wrote: > hi > > when you are indexing, use termvectors > org.apache.lucene.document.Field.TermVector > set this in the Field object constructor when you create your Field objects > at index time. > > i've never done it but i'm pretty sure these can be retrieved at > search time using one of the > IndexReader.getTermFreqVector methods. > > lucene in action has a really good section on using termfreqvectors: > http://www.manning.com/hatcher3/ > > if you want the positional info too e.g. the two positions of the > "question" word in your > example then have a look at the org.apache.lucene.search.spans.SpanTermQuery > class -- in the getSpans method -- it grabs the terms + positions > using the IndexReader > as well: reader.termPositions(term) > > hope that helps, > > bec :) > > > On 2 June 2010 04:53, Sirish Vadala <sirishre...@gmail.com> wrote: >> >> Hello All: >> >> Can any one suggest me the best way to get the no. of occurrences of each >> word per document in Lucene? >> >> Eg: Let the indexed text be: >> >> If you are posting a question, please try search first. Your question may >> have already been answered. >> >> Now if I search for the word 'question', then I would like to get this >> document along with the number of occurrences of question in the document, >> in the above case it would be 2. >> >> Any hint would be appreciated. >> Thanks. >> >> >> -- >> View this message in context: >> http://lucene.472066.n3.nabble.com/Problem-fetching-number-of-occurrences-tp862859p862859.html >> Sent from the Lucene - Java Users mailing list archive at Nabble.com. >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org >> For additional commands, e-mail: java-user-h...@lucene.apache.org >> >> > --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org
