I'm not much of an expert on term frequencies and scoring, but would you really want the score calculated for a document to be affected by the occurrence of terms in a field you did NOT search on?
I sure wouldn't, Best Erick On Wed, Dec 3, 2008 at 10:44 AM, Gustavo Corral <[EMAIL PROTECTED]>wrote: > Hi list, > > I hope this is not a silly question, but I should ask. > > I developed a IR system for XML documents with Lucene and I was checking > the > explain() output for some queries, but I don't understand this part: > > 0.121383816 = fieldWeight(title:efecto in 1), product of: > 1.0 = tf(termFreq(title:efecto)=1) > 0.7768564 = idf(docFreq=4) > > It suppose tf refears to the term's frequency in the document, but I know > there are more than one occurrences of this term in this document, so I > noted that termFreq stores the frequency of a term in the document, but > just > for the given field, like if Lucene takes a field like a whole document. Is > this correct, and if that is the case is this a good practice for IR? > > Thanks for any help or a good explanation. >
