Thanks for all the help. I understand how it works already. Now I will have to know how to modify the .frq file. Can anyone help me with this?
Mukherjee, Prasenjit wrote: > > The slide16 in the following ppt might be of some help. Let me know if > it helps. > > http://docs.google.com/Presentation?docid=dmsxgtg_98dbh529dn > > -Prasen > > -----Original Message----- > From: Grant Ingersoll [mailto:[EMAIL PROTECTED] > Sent: Thursday, July 03, 2008 8:08 AM > To: java-dev@lucene.apache.org > Subject: Re: readVInt, what is it for? > > I'd suggest starting with a couple of places: > http://lucene.apache.org/java/2_3_2/fileformats.html > > and > > http://lucene.apache.org/java/2_3_2/scoring.html > > and then do as Yonik said and step through the internals, starting with > a simple TermQuery which leads to the TermScorer. > > -Grant > > > On Jul 2, 2008, at 10:04 PM, blazingwolf7 wrote: > >> >> Hmmm, I don't think I get it. How is it tracked during index time? I >> index my file earlier. Later I will open the index and perform a >> search. >> Shouldn't >> the frequency of each term in each document found be calculated at >> during the searching process? >> >> >> Yonik Seeley wrote: >>> >>> The frequency is tracked at index time. It's simply a read at query >>> time. See TermDocs. >>> If you really want to understand more about the code internals of >>> Lucene, I'd suggest stepping through more example queries with a >>> debugger. >>> >>> -Yonik >>> >>> On Wed, Jul 2, 2008 at 8:49 PM, blazingwolf7 <[EMAIL PROTECTED]> >>> wrote: >>>> >>>> Thanks, I am clear now on that. But do anyone know where is the >>>> frequency of the term for each document calculated? I mean which >>>> class it may be in and which method? >>>> Thanks >>>> >>>> >>>> Uwe Schindler wrote: >>>>> >>>>> A VInt is the way, how integers are stored in the index file in a >>>>> compressed and variable length manner. >>>>> >>>>> Read here: http://lucene.apache.org/java/2_3_2/ >>>>> fileformats.html#VInt >>>>> >>>>> ----- >>>>> Uwe Schindler >>>>> H.-H.-Meier-Allee 63, D-28213 Bremen http://www.thetaphi.de >>>>> eMail: [EMAIL PROTECTED] >>>>> >>>>>> -----Original Message----- >>>>>> From: blazingwolf7 [mailto:[EMAIL PROTECTED] >>>>>> Sent: Wednesday, July 02, 2008 11:47 AM >>>>>> To: java-dev@lucene.apache.org >>>>>> Subject: readVInt, what is it for? >>>>>> >>>>>> >>>>>> Hi, >>>>>> >>>>>> I am fairly new to Lucene and is now currently going through its >>>>>> source code. I am currently trying to determine how Lucene >>>>>> calculate the frequency of a term in each document located. >>>>>> >>>>>> I encounter a method named readVInt() in IndexInput class. It >>>>>> seems everytime it called this method it will be able to generate >>>>>> the document number and the frequency of the term in each >>>>>> document. >>>>>> >>>>>> I am wondering how it work and fail to find and information on it >>>>>> on the Internet. Could anyone explain it to me? Thanks >>>>>> -- >>>>>> View this message in context: >>>>>> http://www.nabble.com/readVInt%2C-what-is- >>>>>> it-for--tp18233802p18233802.html >>>>>> Sent from the Lucene - Java Developer mailing list archive at >>>>>> Nabble.com. >>>>>> >>>>>> >>>>>> ------------------------------------------------------------------ >>>>>> --- 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] >>>>> >>>>> >>>>> >>>> >>>> -- >>>> View this message in context: >>>> http://www.nabble.com/readVInt%2C-what-is-it-for--tp18233802p1824979 >>>> 0.html Sent from the Lucene - Java Developer mailing list archive at > >>>> Nabble.com. >>>> >>>> >>>> -------------------------------------------------------------------- >>>> - 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] >>> >>> >>> >> >> -- >> View this message in context: >> http://www.nabble.com/readVInt%2C-what-is-it-for--tp18233802p18250434. >> html Sent from the Lucene - Java Developer mailing list archive at >> Nabble.com. >> >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: [EMAIL PROTECTED] >> For additional commands, e-mail: [EMAIL PROTECTED] >> > > -------------------------- > Grant Ingersoll > http://www.lucidimagination.com > > Lucene Helpful Hints: > http://wiki.apache.org/lucene-java/BasicsOfPerformance > http://wiki.apache.org/lucene-java/LuceneFAQ > > > > > > > > > --------------------------------------------------------------------- > 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] > > > -- View this message in context: http://www.nabble.com/readVInt%2C-what-is-it-for--tp18233802p18253849.html Sent from the Lucene - Java Developer mailing list archive at Nabble.com. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
