Improved search method by rewrited query

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ppt

[1]

test

  • Test conditions
  • (../res/corpus/20141016凉山州/3文本/testJ.txt) about 1596 questions.
  • Only Lucene


Test result 1

  • PTN+STD
  • queryNorm dependent but include coord(between query)
different result in lucene(queryNorm dependent )
method baseline new_index_template(1.0 1.0) by Z-MERT(1.8411, 1.0)
Accary 0.662280 0.669799 0.678571
  • queryNorm independent but include coord(between query)
different result in lucene(queryNorm independent )
method baseline new_index_template(1.0 1.0) by Z-MERT(1.8435, 1.0)
Accary 0.662280 0.67669 0.68671679
  • PTN+STD+ANS
different result in lucene(queryNorm independent )
method baseline new_index_template(1.0 1.0,1.0) by Z-MERT(2.836, 6.88,0.043)
Accary 0.662280 0.212 0.51754

note:above are only sq and pattern.

Test result 2

  • coord
  •  sore=score(PTN)+score(STD)+score(coord)
different result in lucene(queryNorm independent )
method baseline new_index_template(1.0 1.0,1.0) by Z-MERT(2.836, 6.88,0.043)
Accary 0.662280 * 0.5113

problem

detail

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