Folks, Thank you so much for your replay. We will share this with management.
-Pedro -----Original Message----- From: Erick Erickson [mailto:erickerick...@gmail.com] Sent: Thu 7/23/2009 4:41 PM To: java-user@lucene.apache.org Subject: Re: A question about the relevancy Also, see http://wiki.apache.org/lucene-java/ScoresAsPercentages. The relevancy here is that comparing scores across different queries is fairly meaningless, even if you *do* know how that score was arrived at... Best Erick On Thu, Jul 23, 2009 at 6:17 PM, Otis Gospodnetic < otis_gospodne...@yahoo.com> wrote: > Hi Pedro, > > Lucene's Explanation will show you all the juicy details: > > http://lucene.apache.org/java/2_4_1/api/core/org/apache/lucene/search/Scorer.html#explain(int)<http://lucene.apache.org/java/2_4_1/api/core/org/apache/lucene/search/Scorer.html#explain%28int%29> > > But with a query like that, I'm not sure if you'll be able to follow > everything. Maybe pick a super simple pair of queries instead, and look at > Explanation for those simple queries to see what's happening and how they > are being scored. > > Otis > -- > Sematext is hiring -- http://sematext.com/about/jobs.html?mls > Lucene, Solr, Nutch, Katta, Hadoop, HBase, UIMA, NLP, NER, IR > > > > ----- Original Message ---- > > From: "Naranjo, Pedro" <pedro_nara...@stercomm.com> > > To: java-user@lucene.apache.org > > Sent: Thursday, July 23, 2009 5:44:34 PM > > Subject: A question about the relevancy > > > > Hi there, > > > > I have a question. we have two querys which only different is the fact > that > > Query_1 includes phrase queries where Query_2 has the phrase query but > > converted into a Boolean query. > > > > When each query is executed, Query_1 gives a relevancy of 1.0 and Query_2 > gives > > one of 0.34. The question is why? Wouldn't it the fact that each phrase > query is > > now rewritten as a Boolean query give you a higher ranking as expected > because > > it is matching every keyword in any order? > > > > Please let me know if you see anything else that escaped me. > > > > Sincerely, > > > > > > Pedro Naranjo > > > > ***START********************QUERY_1************************************** > > (+prod.MIC.MIProductName:rotarix^0.01 > > +(((( > > prod.MI.MITitle:"yyy yyi zzz" > > prod.MI.MITitle:"latex allergies allergi" > > prod.MI.MITitle:"administration administr" > > () > > prod.MI.MITitle:rotarix > > () > > prod.MI.MITitle:"individuals individu" > > () > > prod.MI.MITitle:"yyy yyi" > > prod.MI.MITitle:zzz > > ( > > prod.MI.MITitle:"yyy yyi zzz" > > prod.MI.MITitle:"administration administr" > > prod.MI.MITitle:rotarix > > prod.MI.MITitle:"individuals individu" > > prod.MI.MITitle:"yyy yyi" > > prod.MI.MITitle:zzz))^15.0) > > (( > > prod.MIFC.MIFileContent:"yyy yyi zzz" > > prod.MIFC.MIFileContent:"latex allergies allergi" > > prod.MIFC.MIFileContent:"administration administr" > > () > > prod.MIFC.MIFileContent:rotarix > > () > > prod.MIFC.MIFileContent:"individuals individu" > > () > > prod.MIFC.MIFileContent:"yyy yyi" > > prod.MIFC.MIFileContent:zzz > > ( > > prod.MIFC.MIFileContent:"yyy yyi zzz" > > prod.MIFC.MIFileContent:"administration administr" > > prod.MIFC.MIFileContent:rotarix > > prod.MIFC.MIFileContent:"individuals individu" > > prod.MIFC.MIFileContent:"yyy yyi" > > prod.MIFC.MIFileContent:zzz))^1.5) > > (( > > prod.MIC.MIKeyword:"yyy yyi zzz" > > prod.MIC.MIKeyword:"latex allergies allergi" > > prod.MIC.MIKeyword:"administration administr" > > () > > prod.MIC.MIKeyword:rotarix > > () > > prod.MIC.MIKeyword:"individuals individu" > > () > > prod.MIC.MIKeyword:"yyy yyi" > > prod.MIC.MIKeyword:zzz > > ( > > prod.MIC.MIKeyword:"yyy yyi zzz" > > prod.MIC.MIKeyword:"administration administr" > > prod.MIC.MIKeyword:rotarix > > prod.MIC.MIKeyword:"individuals individu" > > prod.MIC.MIKeyword:"yyy yyi" > > prod.MIC.MIKeyword:zzz))^10.0)))) > > ***END**********************QUERY_1************************************** > > ***START********************QUERY_2************************************** > > (+prod.MIC.MIProductName:rotarix^0.01 > > +(((( > > (+prod.MI.MITitle:yyy +prod.MI.MITitle:yyi +prod.MI.MITitle:zzz) > > (+prod.MI.MITitle:latex +prod.MI.MITitle:allergies > +prod.MI.MITitle:allergi) > > > > (+prod.MI.MITitle:administration +prod.MI.MITitle:administr) > > () > > prod.MI.MITitle:rotarix > > () > > (+prod.MI.MITitle:individuals +prod.MI.MITitle:individu) > > () > > (+prod.MI.MITitle:yyy +prod.MI.MITitle:yyi) > > prod.MI.MITitle:zzz > > ( > > (+prod.MI.MITitle:yyy +prod.MI.MITitle:yyi +prod.MI.MITitle:zzz) > > (+prod.MI.MITitle:administration +prod.MI.MITitle:administr) > > prod.MI.MITitle:rotarix > > (+prod.MI.MITitle:individuals +prod.MI.MITitle:individu) > > (+prod.MI.MITitle:yyy +prod.MI.MITitle:yyi) > > prod.MI.MITitle:zzz))^15.0) > > (( > > (+prod.MIFC.MIFileContent:yyy +prod.MIFC.MIFileContent:yyi > > +prod.MIFC.MIFileContent:zzz) > > (+prod.MIFC.MIFileContent:latex +prod.MIFC.MIFileContent:allergies > > +prod.MIFC.MIFileContent:allergi) > > (+prod.MIFC.MIFileContent:administration > +prod.MIFC.MIFileContent:administr) > > > > () > > prod.MIFC.MIFileContent:rotarix > > () > > (+prod.MIFC.MIFileContent:individuals > +prod.MIFC.MIFileContent:individu) > > () > > (+prod.MIFC.MIFileContent:yyy +prod.MIFC.MIFileContent:yyi) > > prod.MIFC.MIFileContent:zzz > > ( > > (+prod.MIFC.MIFileContent:yyy +prod.MIFC.MIFileContent:yyi > > +prod.MIFC.MIFileContent:zzz) > > (+prod.MIFC.MIFileContent:administration > +prod.MIFC.MIFileContent:administr) > > > > prod.MIFC.MIFileContent:rotarix > > (+prod.MIFC.MIFileContent:individuals > +prod.MIFC.MIFileContent:individu) > > (+prod.MIFC.MIFileContent:yyy +prod.MIFC.MIFileContent:yyi) > > prod.MIFC.MIFileContent:zzz))^1.5) > > (( > > (+prod.MIC.MIKeyword:yyy +prod.MIC.MIKeyword:yyi > +prod.MIC.MIKeyword:zzz) > > (+prod.MIC.MIKeyword:latex +prod.MIC.MIKeyword:allergies > > +prod.MIC.MIKeyword:allergi) > > (+prod.MIC.MIKeyword:administration +prod.MIC.MIKeyword:administr) > > () > > prod.MIC.MIKeyword:rotarix > > () > > (+prod.MIC.MIKeyword:individuals +prod.MIC.MIKeyword:individu) > > () > > (+prod.MIC.MIKeyword:yyy +prod.MIC.MIKeyword:yyi) > > prod.MIC.MIKeyword:zzz > > ( > > (+prod.MIC.MIKeyword:yyy +prod.MIC.MIKeyword:yyi > +prod.MIC.MIKeyword:zzz) > > (+prod.MIC.MIKeyword:administration +prod.MIC.MIKeyword:administr) > > prod.MIC.MIKeyword:rotarix > > (+prod.MIC.MIKeyword:individuals +prod.MIC.MIKeyword:individu) > > (+prod.MIC.MIKeyword:yyy +prod.MIC.MIKeyword:yyi) > > prod.MIC.MIKeyword:zzz))^10.0)))) > > ***END**********************QUERY_2************************************** > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: 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