A question about the relevancy

Thu, 23 Jul 2009 14:45:05 -0700 

Hi there,

I have a questionÂ… 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? WouldnÂ’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**************************************

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