Lucene supports boolean operators because the support for them is built into the QueryParser (java class, derived from a JavaCC grammar .jj file). Nutch does not use Lucene's query parser, and instead has its own, simpler one.
Otis --- Michael Sashnikov <[EMAIL PROTECTED]> wrote: > Matthias, thank you for your response. > > I believe Lucene do support AND/OR/NOT and other keywords. Does > anybody know > why Nutch does not? Without this feature Nutch is not too useful. > > > > >From: Matthias Jaekle <[EMAIL PROTECTED]> > >Reply-To: [EMAIL PROTECTED] > >To: [EMAIL PROTECTED] > >Subject: Re: [Nutch-dev] AND/OR/NOT do not work? > >Date: Sun, 19 Dec 2004 09:44:31 +0100 > > > >>1. Java AND SQL > >>2. Java OR SQL > >>3. Java NOT SQL > >Try: Java -SQL > > > >>4. Java SQL > >> > >>Is there any way to make Nutch recognize these keywords? > >Have a look at the basic query plugin. Maybe you could expand it. > > > >Matthias > > > >-- > >http://www.eventax.com - eventax GmbH > >http://www.umkreisfinder.de - Die Suchmaschine fr Lokales und Events > > > > > >------------------------------------------------------- > >SF email is sponsored by - The IT Product Guide > >Read honest & candid reviews on hundreds of IT Products from real > users. > >Discover which products truly live up to the hype. Start reading > now. > >http://productguide.itmanagersjournal.com/ > >_______________________________________________ > >Nutch-developers mailing list > >[EMAIL PROTECTED] > >https://lists.sourceforge.net/lists/listinfo/nutch-developers > > > > > ------------------------------------------------------- > SF email is sponsored by - The IT Product Guide > Read honest & candid reviews on hundreds of IT Products from real > users. > Discover which products truly live up to the hype. Start reading now. > > http://productguide.itmanagersjournal.com/ > _______________________________________________ > Nutch-developers mailing list > [EMAIL PROTECTED] > https://lists.sourceforge.net/lists/listinfo/nutch-developers > ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://productguide.itmanagersjournal.com/ _______________________________________________ Nutch-developers mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/nutch-developers
