Document (#22769)

Author
Dominich, S.
Title
¬A unified mathematical definition of classical information retrieval
Source
Journal of the American Society for Information Science. 51(2000) no.7, S.614-624
Year
2000
Abstract
A unified mathematical definition for the classical (vector and probabilistic) models of information retrieval is given. Also, a methematical structure (Diophantine set) behind relevance feedback is identified

Similar documents (author)

  1. Dominich, S.: Interaction information retrieval (1994) 5.87
    5.871439 = sum of:
      5.871439 = weight(author_txt:dominich in 8157) [ClassicSimilarity], result of:
        5.871439 = fieldWeight in 8157, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          9.394302 = idf(docFreq=9, maxDocs=44218)
          0.625 = fieldNorm(doc=8157)
    
  2. Dominich, S.: ¬The interaction-based information retrieval paradigm (1997) 5.87
    5.871439 = sum of:
      5.871439 = weight(author_txt:dominich in 7782) [ClassicSimilarity], result of:
        5.871439 = fieldWeight in 7782, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          9.394302 = idf(docFreq=9, maxDocs=44218)
          0.625 = fieldNorm(doc=7782)
    
  3. Dominich, S.: Mathematical foundations of information retrieval (2001) 5.87
    5.871439 = sum of:
      5.871439 = weight(author_txt:dominich in 1753) [ClassicSimilarity], result of:
        5.871439 = fieldWeight in 1753, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          9.394302 = idf(docFreq=9, maxDocs=44218)
          0.625 = fieldNorm(doc=1753)
    
  4. Dominich, S.; Skrop, A.: PageRank and interaction information retrieval (2005) 4.70
    4.697151 = sum of:
      4.697151 = weight(author_txt:dominich in 3268) [ClassicSimilarity], result of:
        4.697151 = fieldWeight in 3268, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          9.394302 = idf(docFreq=9, maxDocs=44218)
          0.5 = fieldNorm(doc=3268)
    
  5. Dominich, S.; Kiezer, T.: ¬A measure theoretic approach to information retrieval (2007) 4.70
    4.697151 = sum of:
      4.697151 = weight(author_txt:dominich in 445) [ClassicSimilarity], result of:
        4.697151 = fieldWeight in 445, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          9.394302 = idf(docFreq=9, maxDocs=44218)
          0.5 = fieldNorm(doc=445)
    

Similar documents (content)

  1. Wong, S.K.M.: On modelling information retrieval with probabilistic inference (1995) 0.57
    0.5671412 = sum of:
      0.5671412 = product of:
        1.1342824 = sum of:
          0.086644754 = weight(abstract_txt:models in 1938) [ClassicSimilarity], result of:
            0.086644754 = score(doc=1938,freq=3.0), product of:
              0.11495956 = queryWeight, product of:
                1.3658327 = boost
                4.6415744 = idf(docFreq=1158, maxDocs=44218)
                0.018133527 = queryNorm
              0.7536977 = fieldWeight in 1938, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                4.6415744 = idf(docFreq=1158, maxDocs=44218)
                0.09375 = fieldNorm(doc=1938)
          0.014196172 = weight(abstract_txt:information in 1938) [ClassicSimilarity], result of:
            0.014196172 = score(doc=1938,freq=1.0), product of:
              0.0625482 = queryWeight, product of:
                1.4247786 = boost
                2.4209464 = idf(docFreq=10677, maxDocs=44218)
                0.018133527 = queryNorm
              0.22696373 = fieldWeight in 1938, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                2.4209464 = idf(docFreq=10677, maxDocs=44218)
                0.09375 = fieldNorm(doc=1938)
          0.060008783 = weight(abstract_txt:relevance in 1938) [ClassicSimilarity], result of:
            0.060008783 = score(doc=1938,freq=1.0), product of:
              0.1297878 = queryWeight, product of:
                1.4512489 = boost
                4.931848 = idf(docFreq=866, maxDocs=44218)
                0.018133527 = queryNorm
              0.46236074 = fieldWeight in 1938, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.931848 = idf(docFreq=866, maxDocs=44218)
                0.09375 = fieldNorm(doc=1938)
          0.13869984 = weight(abstract_txt:vector in 1938) [ClassicSimilarity], result of:
            0.13869984 = score(doc=1938,freq=1.0), product of:
              0.22688612 = queryWeight, product of:
                1.9187965 = boost
                6.5207376 = idf(docFreq=176, maxDocs=44218)
                0.018133527 = queryNorm
              0.6113192 = fieldWeight in 1938, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.5207376 = idf(docFreq=176, maxDocs=44218)
                0.09375 = fieldNorm(doc=1938)
          0.22018881 = weight(abstract_txt:probabilistic in 1938) [ClassicSimilarity], result of:
            0.22018881 = score(doc=1938,freq=2.0), product of:
              0.24506284 = queryWeight, product of:
                1.994177 = boost
                6.7769065 = idf(docFreq=136, maxDocs=44218)
                0.018133527 = queryNorm
              0.89849937 = fieldWeight in 1938, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                6.7769065 = idf(docFreq=136, maxDocs=44218)
                0.09375 = fieldNorm(doc=1938)
          0.07272657 = weight(abstract_txt:retrieval in 1938) [ClassicSimilarity], result of:
            0.07272657 = score(doc=1938,freq=3.0), product of:
              0.12888102 = queryWeight, product of:
                2.0451937 = boost
                3.4751394 = idf(docFreq=3720, maxDocs=44218)
                0.018133527 = queryNorm
              0.5642923 = fieldWeight in 1938, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                3.4751394 = idf(docFreq=3720, maxDocs=44218)
                0.09375 = fieldNorm(doc=1938)
          0.25614843 = weight(abstract_txt:mathematical in 1938) [ClassicSimilarity], result of:
            0.25614843 = score(doc=1938,freq=1.0), product of:
              0.43029052 = queryWeight, product of:
                3.7369807 = boost
                6.3497796 = idf(docFreq=209, maxDocs=44218)
                0.018133527 = queryNorm
              0.59529185 = fieldWeight in 1938, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.3497796 = idf(docFreq=209, maxDocs=44218)
                0.09375 = fieldNorm(doc=1938)
          0.28566903 = weight(abstract_txt:unified in 1938) [ClassicSimilarity], result of:
            0.28566903 = score(doc=1938,freq=1.0), product of:
              0.46274608 = queryWeight, product of:
                3.8753536 = boost
                6.5848994 = idf(docFreq=165, maxDocs=44218)
                0.018133527 = queryNorm
              0.6173343 = fieldWeight in 1938, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.5848994 = idf(docFreq=165, maxDocs=44218)
                0.09375 = fieldNorm(doc=1938)
        0.5 = coord(8/16)
    
  2. Dominich, S.; Kiezer, T.: ¬A measure theoretic approach to information retrieval (2007) 0.42
    0.41765964 = sum of:
      0.41765964 = product of:
        0.95465064 = sum of:
          0.016196491 = weight(abstract_txt:also in 445) [ClassicSimilarity], result of:
            0.016196491 = score(doc=445,freq=2.0), product of:
              0.061624028 = queryWeight, product of:
                3.3983476 = idf(docFreq=4017, maxDocs=44218)
                0.018133527 = queryNorm
              0.26282755 = fieldWeight in 445, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.3983476 = idf(docFreq=4017, maxDocs=44218)
                0.0546875 = fieldNorm(doc=445)
          0.041268006 = weight(abstract_txt:models in 445) [ClassicSimilarity], result of:
            0.041268006 = score(doc=445,freq=2.0), product of:
              0.11495956 = queryWeight, product of:
                1.3658327 = boost
                4.6415744 = idf(docFreq=1158, maxDocs=44218)
                0.018133527 = queryNorm
              0.35897845 = fieldWeight in 445, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.6415744 = idf(docFreq=1158, maxDocs=44218)
                0.0546875 = fieldNorm(doc=445)
          0.016562201 = weight(abstract_txt:information in 445) [ClassicSimilarity], result of:
            0.016562201 = score(doc=445,freq=4.0), product of:
              0.0625482 = queryWeight, product of:
                1.4247786 = boost
                2.4209464 = idf(docFreq=10677, maxDocs=44218)
                0.018133527 = queryNorm
              0.264791 = fieldWeight in 445, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                2.4209464 = idf(docFreq=10677, maxDocs=44218)
                0.0546875 = fieldNorm(doc=445)
          0.21406305 = weight(abstract_txt:vector in 445) [ClassicSimilarity], result of:
            0.21406305 = score(doc=445,freq=7.0), product of:
              0.22688612 = queryWeight, product of:
                1.9187965 = boost
                6.5207376 = idf(docFreq=176, maxDocs=44218)
                0.018133527 = queryNorm
              0.94348234 = fieldWeight in 445, product of:
                2.6457512 = tf(freq=7.0), with freq of:
                  7.0 = termFreq=7.0
                6.5207376 = idf(docFreq=176, maxDocs=44218)
                0.0546875 = fieldNorm(doc=445)
          0.07348023 = weight(abstract_txt:retrieval in 445) [ClassicSimilarity], result of:
            0.07348023 = score(doc=445,freq=9.0), product of:
              0.12888102 = queryWeight, product of:
                2.0451937 = boost
                3.4751394 = idf(docFreq=3720, maxDocs=44218)
                0.018133527 = queryNorm
              0.57014006 = fieldWeight in 445, product of:
                3.0 = tf(freq=9.0), with freq of:
                  9.0 = termFreq=9.0
                3.4751394 = idf(docFreq=3720, maxDocs=44218)
                0.0546875 = fieldNorm(doc=445)
          0.3660026 = weight(abstract_txt:mathematical in 445) [ClassicSimilarity], result of:
            0.3660026 = score(doc=445,freq=6.0), product of:
              0.43029052 = queryWeight, product of:
                3.7369807 = boost
                6.3497796 = idf(docFreq=209, maxDocs=44218)
                0.018133527 = queryNorm
              0.8505941 = fieldWeight in 445, product of:
                2.4494898 = tf(freq=6.0), with freq of:
                  6.0 = termFreq=6.0
                6.3497796 = idf(docFreq=209, maxDocs=44218)
                0.0546875 = fieldNorm(doc=445)
          0.2270781 = weight(abstract_txt:classical in 445) [ClassicSimilarity], result of:
            0.2270781 = score(doc=445,freq=2.0), product of:
              0.4514361 = queryWeight, product of:
                3.8277018 = boost
                6.5039306 = idf(docFreq=179, maxDocs=44218)
                0.018133527 = queryNorm
              0.5030127 = fieldWeight in 445, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                6.5039306 = idf(docFreq=179, maxDocs=44218)
                0.0546875 = fieldNorm(doc=445)
        0.4375 = coord(7/16)
    
  3. Dominich, S.: Mathematical foundations of information retrieval (2001) 0.41
    0.41452634 = sum of:
      0.41452634 = product of:
        0.9474888 = sum of:
          0.023137843 = weight(abstract_txt:also in 1753) [ClassicSimilarity], result of:
            0.023137843 = score(doc=1753,freq=2.0), product of:
              0.061624028 = queryWeight, product of:
                3.3983476 = idf(docFreq=4017, maxDocs=44218)
                0.018133527 = queryNorm
              0.3754679 = fieldWeight in 1753, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.3983476 = idf(docFreq=4017, maxDocs=44218)
                0.078125 = fieldNorm(doc=1753)
          0.034503724 = weight(abstract_txt:structure in 1753) [ClassicSimilarity], result of:
            0.034503724 = score(doc=1753,freq=1.0), product of:
              0.10134184 = queryWeight, product of:
                1.2823877 = boost
                4.3579993 = idf(docFreq=1538, maxDocs=44218)
                0.018133527 = queryNorm
              0.3404687 = fieldWeight in 1753, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.3579993 = idf(docFreq=1538, maxDocs=44218)
                0.078125 = fieldNorm(doc=1753)
          0.058954295 = weight(abstract_txt:models in 1753) [ClassicSimilarity], result of:
            0.058954295 = score(doc=1753,freq=2.0), product of:
              0.11495956 = queryWeight, product of:
                1.3658327 = boost
                4.6415744 = idf(docFreq=1158, maxDocs=44218)
                0.018133527 = queryNorm
              0.5128264 = fieldWeight in 1753, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.6415744 = idf(docFreq=1158, maxDocs=44218)
                0.078125 = fieldNorm(doc=1753)
          0.02049041 = weight(abstract_txt:information in 1753) [ClassicSimilarity], result of:
            0.02049041 = score(doc=1753,freq=3.0), product of:
              0.0625482 = queryWeight, product of:
                1.4247786 = boost
                2.4209464 = idf(docFreq=10677, maxDocs=44218)
                0.018133527 = queryNorm
              0.32759392 = fieldWeight in 1753, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                2.4209464 = idf(docFreq=10677, maxDocs=44218)
                0.078125 = fieldNorm(doc=1753)
          0.04948416 = weight(abstract_txt:retrieval in 1753) [ClassicSimilarity], result of:
            0.04948416 = score(doc=1753,freq=2.0), product of:
              0.12888102 = queryWeight, product of:
                2.0451937 = boost
                3.4751394 = idf(docFreq=3720, maxDocs=44218)
                0.018133527 = queryNorm
              0.38395226 = fieldWeight in 1753, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.4751394 = idf(docFreq=3720, maxDocs=44218)
                0.078125 = fieldNorm(doc=1753)
          0.5228608 = weight(abstract_txt:mathematical in 1753) [ClassicSimilarity], result of:
            0.5228608 = score(doc=1753,freq=6.0), product of:
              0.43029052 = queryWeight, product of:
                3.7369807 = boost
                6.3497796 = idf(docFreq=209, maxDocs=44218)
                0.018133527 = queryNorm
              1.2151344 = fieldWeight in 1753, product of:
                2.4494898 = tf(freq=6.0), with freq of:
                  6.0 = termFreq=6.0
                6.3497796 = idf(docFreq=209, maxDocs=44218)
                0.078125 = fieldNorm(doc=1753)
          0.23805752 = weight(abstract_txt:unified in 1753) [ClassicSimilarity], result of:
            0.23805752 = score(doc=1753,freq=1.0), product of:
              0.46274608 = queryWeight, product of:
                3.8753536 = boost
                6.5848994 = idf(docFreq=165, maxDocs=44218)
                0.018133527 = queryNorm
              0.51444525 = fieldWeight in 1753, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.5848994 = idf(docFreq=165, maxDocs=44218)
                0.078125 = fieldNorm(doc=1753)
        0.4375 = coord(7/16)
    
  4. Lavrenko, V.: ¬A generative theory of relevance (2009) 0.37
    0.37177157 = sum of:
      0.37177157 = product of:
        0.74354315 = sum of:
          0.013088741 = weight(abstract_txt:also in 3306) [ClassicSimilarity], result of:
            0.013088741 = score(doc=3306,freq=1.0), product of:
              0.061624028 = queryWeight, product of:
                3.3983476 = idf(docFreq=4017, maxDocs=44218)
                0.018133527 = queryNorm
              0.21239673 = fieldWeight in 3306, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.3983476 = idf(docFreq=4017, maxDocs=44218)
                0.0625 = fieldNorm(doc=3306)
          0.033349585 = weight(abstract_txt:models in 3306) [ClassicSimilarity], result of:
            0.033349585 = score(doc=3306,freq=1.0), product of:
              0.11495956 = queryWeight, product of:
                1.3658327 = boost
                4.6415744 = idf(docFreq=1158, maxDocs=44218)
                0.018133527 = queryNorm
              0.2900984 = fieldWeight in 3306, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.6415744 = idf(docFreq=1158, maxDocs=44218)
                0.0625 = fieldNorm(doc=3306)
          0.01892823 = weight(abstract_txt:information in 3306) [ClassicSimilarity], result of:
            0.01892823 = score(doc=3306,freq=4.0), product of:
              0.0625482 = queryWeight, product of:
                1.4247786 = boost
                2.4209464 = idf(docFreq=10677, maxDocs=44218)
                0.018133527 = queryNorm
              0.3026183 = fieldWeight in 3306, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                2.4209464 = idf(docFreq=10677, maxDocs=44218)
                0.0625 = fieldNorm(doc=3306)
          0.10584555 = weight(abstract_txt:relevance in 3306) [ClassicSimilarity], result of:
            0.10584555 = score(doc=3306,freq=7.0), product of:
              0.1297878 = queryWeight, product of:
                1.4512489 = boost
                4.931848 = idf(docFreq=866, maxDocs=44218)
                0.018133527 = queryNorm
              0.8155277 = fieldWeight in 3306, product of:
                2.6457512 = tf(freq=7.0), with freq of:
                  7.0 = termFreq=7.0
                4.931848 = idf(docFreq=866, maxDocs=44218)
                0.0625 = fieldNorm(doc=3306)
          0.14679253 = weight(abstract_txt:probabilistic in 3306) [ClassicSimilarity], result of:
            0.14679253 = score(doc=3306,freq=2.0), product of:
              0.24506284 = queryWeight, product of:
                1.994177 = boost
                6.7769065 = idf(docFreq=136, maxDocs=44218)
                0.018133527 = queryNorm
              0.59899956 = fieldWeight in 3306, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                6.7769065 = idf(docFreq=136, maxDocs=44218)
                0.0625 = fieldNorm(doc=3306)
          0.048484378 = weight(abstract_txt:retrieval in 3306) [ClassicSimilarity], result of:
            0.048484378 = score(doc=3306,freq=3.0), product of:
              0.12888102 = queryWeight, product of:
                2.0451937 = boost
                3.4751394 = idf(docFreq=3720, maxDocs=44218)
                0.018133527 = queryNorm
              0.37619486 = fieldWeight in 3306, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                3.4751394 = idf(docFreq=3720, maxDocs=44218)
                0.0625 = fieldNorm(doc=3306)
          0.19354735 = weight(abstract_txt:definition in 3306) [ClassicSimilarity], result of:
            0.19354735 = score(doc=3306,freq=3.0), product of:
              0.3243241 = queryWeight, product of:
                3.244364 = boost
                5.512738 = idf(docFreq=484, maxDocs=44218)
                0.018133527 = queryNorm
              0.5967714 = fieldWeight in 3306, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                5.512738 = idf(docFreq=484, maxDocs=44218)
                0.0625 = fieldNorm(doc=3306)
          0.18350682 = weight(abstract_txt:classical in 3306) [ClassicSimilarity], result of:
            0.18350682 = score(doc=3306,freq=1.0), product of:
              0.4514361 = queryWeight, product of:
                3.8277018 = boost
                6.5039306 = idf(docFreq=179, maxDocs=44218)
                0.018133527 = queryNorm
              0.40649566 = fieldWeight in 3306, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.5039306 = idf(docFreq=179, maxDocs=44218)
                0.0625 = fieldNorm(doc=3306)
        0.5 = coord(8/16)
    
  5. Bodoff, D.; Robertson, S.: ¬A new unified probabilistic model (2004) 0.34
    0.3445178 = sum of:
      0.3445178 = product of:
        0.78746927 = sum of:
          0.041686982 = weight(abstract_txt:models in 2129) [ClassicSimilarity], result of:
            0.041686982 = score(doc=2129,freq=1.0), product of:
              0.11495956 = queryWeight, product of:
                1.3658327 = boost
                4.6415744 = idf(docFreq=1158, maxDocs=44218)
                0.018133527 = queryNorm
              0.362623 = fieldWeight in 2129, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.6415744 = idf(docFreq=1158, maxDocs=44218)
                0.078125 = fieldNorm(doc=2129)
          0.011830143 = weight(abstract_txt:information in 2129) [ClassicSimilarity], result of:
            0.011830143 = score(doc=2129,freq=1.0), product of:
              0.0625482 = queryWeight, product of:
                1.4247786 = boost
                2.4209464 = idf(docFreq=10677, maxDocs=44218)
                0.018133527 = queryNorm
              0.18913643 = fieldWeight in 2129, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                2.4209464 = idf(docFreq=10677, maxDocs=44218)
                0.078125 = fieldNorm(doc=2129)
          0.050007325 = weight(abstract_txt:relevance in 2129) [ClassicSimilarity], result of:
            0.050007325 = score(doc=2129,freq=1.0), product of:
              0.1297878 = queryWeight, product of:
                1.4512489 = boost
                4.931848 = idf(docFreq=866, maxDocs=44218)
                0.018133527 = queryNorm
              0.38530064 = fieldWeight in 2129, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.931848 = idf(docFreq=866, maxDocs=44218)
                0.078125 = fieldNorm(doc=2129)
          0.087560825 = weight(abstract_txt:feedback in 2129) [ClassicSimilarity], result of:
            0.087560825 = score(doc=2129,freq=1.0), product of:
              0.18854631 = queryWeight, product of:
                1.7491779 = boost
                5.9443145 = idf(docFreq=314, maxDocs=44218)
                0.018133527 = queryNorm
              0.46439958 = fieldWeight in 2129, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.9443145 = idf(docFreq=314, maxDocs=44218)
                0.078125 = fieldNorm(doc=2129)
          0.22472925 = weight(abstract_txt:probabilistic in 2129) [ClassicSimilarity], result of:
            0.22472925 = score(doc=2129,freq=3.0), product of:
              0.24506284 = queryWeight, product of:
                1.994177 = boost
                6.7769065 = idf(docFreq=136, maxDocs=44218)
                0.018133527 = queryNorm
              0.91702706 = fieldWeight in 2129, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                6.7769065 = idf(docFreq=136, maxDocs=44218)
                0.078125 = fieldNorm(doc=2129)
          0.034990586 = weight(abstract_txt:retrieval in 2129) [ClassicSimilarity], result of:
            0.034990586 = score(doc=2129,freq=1.0), product of:
              0.12888102 = queryWeight, product of:
                2.0451937 = boost
                3.4751394 = idf(docFreq=3720, maxDocs=44218)
                0.018133527 = queryNorm
              0.27149525 = fieldWeight in 2129, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.4751394 = idf(docFreq=3720, maxDocs=44218)
                0.078125 = fieldNorm(doc=2129)
          0.3366642 = weight(abstract_txt:unified in 2129) [ClassicSimilarity], result of:
            0.3366642 = score(doc=2129,freq=2.0), product of:
              0.46274608 = queryWeight, product of:
                3.8753536 = boost
                6.5848994 = idf(docFreq=165, maxDocs=44218)
                0.018133527 = queryNorm
              0.7275355 = fieldWeight in 2129, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                6.5848994 = idf(docFreq=165, maxDocs=44218)
                0.078125 = fieldNorm(doc=2129)
        0.4375 = coord(7/16)