using tie parameter of edismax to raise a score (disjunction max query)?

[geeky2 <ge...@hotmail.com>]

Hello all,

this "more specific" question is related to my earlier post at:
http://lucene.472066.n3.nabble.com/need-help-understanding-an-issue-with-scoring-td4002897.html

i am reading here about the tie parameter:
http://wiki.apache.org/solr/ExtendedDisMax?highlight=%28edismax%29#tie_.28Tie_breaker.29

*can i use the edismax, tie= parameter, to "raise" the following score?*

my goal is to raise the total score of this document (see score snippet
below) to 9.11329.

to do this - would i use tie=0.0 to make a pure "disjunction max query" --
only the maximum scoring sub query contributes to the final score?


      <str name="90302                   ,0046,046">
*0.20737723* = (MATCH) max of:
  0.20737723 = (MATCH) weight(itemNo:9030^0.9 in 1796597), product of:
    0.022755474 = queryWeight(itemNo:9030^0.9), product of:
      0.9 = boost
      9.11329 = idf(docFreq=2565, maxDocs=8566704)
      0.0027743944 = queryNorm
    *9.11329* = (MATCH) fieldWeight(itemNo:9030 in 1796597), product of:
      1.0 = tf(termFreq(itemNo:9030)=1)
      9.11329 = idf(docFreq=2565, maxDocs=8566704)
      1.0 = fieldNorm(field=itemNo, doc=1796597)
</str>

thank you








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