Grant, Thank you for the information. When I made the appropriate changes in my code, it worked as a charm.
Anna Grant Ingersoll wrote: > Hi Anna, > > The sample I sent is from a modified version of the demo (line 87 in > HTMLDocument of the latest code) that I am preparing for my ApacheCon > talk (which will cover Term Vectors, amongst other things). > > At any rate, if you look at the Field constructor for 1.4.3: > |*Field > <http://lucene.apache.org/java/docs/api/org/apache/lucene/document/Field.html#Field%28java.lang.String,%20java.lang.String,%20boolean,%20boolean,%20boolean,%20boolean%29>*(String > > <http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html> name, > String > <http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html> string, > boolean store, boolean index, boolean token, boolean storeTermVector)| > (see the Javadocs: > http://lucene.apache.org/java/docs/api/org/apache/lucene/document/Field.html) > > or 1.9: > > public Field(String name, Reader reader, TermVector termVector) > > you can see the last parameter is what controls the addition of > TermVectors. So depending on your code base, change the code in the > demo to add in the new flag (for 1.4.3) or TermVector.YES (for 1.9). You > will have to reindex upon making this change. > > Anna Buczak wrote: > > >>You have to tell lucene to store term freq > >>vectors (it isn't done by default). > >> > >> > >This is exactly the part that I do not know how to do. Where to set the > >flag ? > >I use for indexing org.apache/lucene.demo.IndexFiles. > > > > > > > >>Do you have at least > >>one field? > >> > >> > >Now I know that Lucene adds three fields by default and one of them is > >"contents" - this is the one I am interested in, and at the present time I > >can retieve from that field what I want (i.e. this part works). > > > >Anna > > > > > >Chris Lamprecht wrote: > > > > > > > >>Can you post the code you're using to create the Document and adding > >>it to the IndexWriter? You have to tell lucene to store term freq > >>vectors (it isn't done by default). Also I'm not sure what you mean > >>when you say your documents do not have fields. Do you have at least > >>one field? > >> > >>-chris > >> > >>On 11/17/05, Anna Buczak <[EMAIL PROTECTED]> wrote: > >> > >> > >>>I have indexed a set of documents that do not have fields. I want to > >>>use the getTermFreqVector method from IndexReader to get the > >>>frequencies. However when I do that as: > >>> > >>>TermFreqVector[] z = ir.getTermFreqVectors(0); > >>> > >>>z is null. So I can't get the frequency vectors. > >>> > >>>Help will be very much appreciated. > >>> > >>>Anna > >>> > >>> > >>> > >>>--------------------------------------------------------------------- > >>>To unsubscribe, e-mail: [EMAIL PROTECTED] > >>>For additional commands, e-mail: [EMAIL PROTECTED] > >>> > >>> > >>> > >>> > >>--------------------------------------------------------------------- > >>To unsubscribe, e-mail: [EMAIL PROTECTED] > >>For additional commands, e-mail: [EMAIL PROTECTED] > >> > >> > > > >-- > >Dr. Anna L. Buczak Email: [EMAIL PROTECTED] > >Technology Leader Phone: 609-734-2667 > >Sarnoff Corporation Fax: 609-734-2662 > >201 Washington Rd. > >Princeton, NJ 08543-5300 > > > > > > > >--------------------------------------------------------------------- > >To unsubscribe, e-mail: [EMAIL PROTECTED] > >For additional commands, e-mail: [EMAIL PROTECTED] > > > > > > > > > > -- > ------------------------------------------------------------------- > Grant Ingersoll > Sr. Software Engineer > Center for Natural Language Processing > Syracuse University > School of Information Studies > 337 Hinds Hall > Syracuse, NY 13244 > > http://www.cnlp.org > Voice: 315-443-5484 > Fax: 315-443-6886 > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
