Document (#5176)

Author
Sparck Jones, K.
Title
Automatic keyword classification for information retrieval
Imprint
London : Butterworths
Year
1971
Theme
Automatisches Indexieren

Similar documents (author)

  1. Sparck Jones, K.: Fashionable trends and feasible strategies in information management (1988) 5.31
    5.3145585 = sum of:
      5.3145585 = sum of:
        2.0560415 = weight(author_txt:jones in 816) [ClassicSimilarity], result of:
          2.0560415 = score(doc=816,freq=1.0), product of:
            0.5925794 = queryWeight, product of:
              6.939294 = idf(docFreq=116, maxDocs=44421)
              0.08539477 = queryNorm
            3.469647 = fieldWeight in 816, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              6.939294 = idf(docFreq=116, maxDocs=44421)
              0.5 = fieldNorm(doc=816)
        3.258517 = weight(author_txt:sparck in 816) [ClassicSimilarity], result of:
          3.258517 = score(doc=816,freq=1.0), product of:
            0.80551195 = queryWeight, product of:
              1.1659038 = boost
              8.090549 = idf(docFreq=36, maxDocs=44421)
              0.08539477 = queryNorm
            4.0452747 = fieldWeight in 816, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              8.090549 = idf(docFreq=36, maxDocs=44421)
              0.5 = fieldNorm(doc=816)
    
  2. Sparck Jones, K.: Automatic classification (1976) 5.31
    5.3145585 = sum of:
      5.3145585 = sum of:
        2.0560415 = weight(author_txt:jones in 2907) [ClassicSimilarity], result of:
          2.0560415 = score(doc=2907,freq=1.0), product of:
            0.5925794 = queryWeight, product of:
              6.939294 = idf(docFreq=116, maxDocs=44421)
              0.08539477 = queryNorm
            3.469647 = fieldWeight in 2907, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              6.939294 = idf(docFreq=116, maxDocs=44421)
              0.5 = fieldNorm(doc=2907)
        3.258517 = weight(author_txt:sparck in 2907) [ClassicSimilarity], result of:
          3.258517 = score(doc=2907,freq=1.0), product of:
            0.80551195 = queryWeight, product of:
              1.1659038 = boost
              8.090549 = idf(docFreq=36, maxDocs=44421)
              0.08539477 = queryNorm
            4.0452747 = fieldWeight in 2907, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              8.090549 = idf(docFreq=36, maxDocs=44421)
              0.5 = fieldNorm(doc=2907)
    
  3. Sparck Jones, K.: ¬The role of artificial intelligence in information retrieval (1991) 5.31
    5.3145585 = sum of:
      5.3145585 = sum of:
        2.0560415 = weight(author_txt:jones in 4810) [ClassicSimilarity], result of:
          2.0560415 = score(doc=4810,freq=1.0), product of:
            0.5925794 = queryWeight, product of:
              6.939294 = idf(docFreq=116, maxDocs=44421)
              0.08539477 = queryNorm
            3.469647 = fieldWeight in 4810, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              6.939294 = idf(docFreq=116, maxDocs=44421)
              0.5 = fieldNorm(doc=4810)
        3.258517 = weight(author_txt:sparck in 4810) [ClassicSimilarity], result of:
          3.258517 = score(doc=4810,freq=1.0), product of:
            0.80551195 = queryWeight, product of:
              1.1659038 = boost
              8.090549 = idf(docFreq=36, maxDocs=44421)
              0.08539477 = queryNorm
            4.0452747 = fieldWeight in 4810, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              8.090549 = idf(docFreq=36, maxDocs=44421)
              0.5 = fieldNorm(doc=4810)
    
  4. Sparck Jones, K.: ¬A statistical interpretation of term specifity and its application in retrieval (1972) 5.31
    5.3145585 = sum of:
      5.3145585 = sum of:
        2.0560415 = weight(author_txt:jones in 5186) [ClassicSimilarity], result of:
          2.0560415 = score(doc=5186,freq=1.0), product of:
            0.5925794 = queryWeight, product of:
              6.939294 = idf(docFreq=116, maxDocs=44421)
              0.08539477 = queryNorm
            3.469647 = fieldWeight in 5186, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              6.939294 = idf(docFreq=116, maxDocs=44421)
              0.5 = fieldNorm(doc=5186)
        3.258517 = weight(author_txt:sparck in 5186) [ClassicSimilarity], result of:
          3.258517 = score(doc=5186,freq=1.0), product of:
            0.80551195 = queryWeight, product of:
              1.1659038 = boost
              8.090549 = idf(docFreq=36, maxDocs=44421)
              0.08539477 = queryNorm
            4.0452747 = fieldWeight in 5186, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              8.090549 = idf(docFreq=36, maxDocs=44421)
              0.5 = fieldNorm(doc=5186)
    
  5. Sparck Jones, K.: Index term weighting (1973) 5.31
    5.3145585 = sum of:
      5.3145585 = sum of:
        2.0560415 = weight(author_txt:jones in 5490) [ClassicSimilarity], result of:
          2.0560415 = score(doc=5490,freq=1.0), product of:
            0.5925794 = queryWeight, product of:
              6.939294 = idf(docFreq=116, maxDocs=44421)
              0.08539477 = queryNorm
            3.469647 = fieldWeight in 5490, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              6.939294 = idf(docFreq=116, maxDocs=44421)
              0.5 = fieldNorm(doc=5490)
        3.258517 = weight(author_txt:sparck in 5490) [ClassicSimilarity], result of:
          3.258517 = score(doc=5490,freq=1.0), product of:
            0.80551195 = queryWeight, product of:
              1.1659038 = boost
              8.090549 = idf(docFreq=36, maxDocs=44421)
              0.08539477 = queryNorm
            4.0452747 = fieldWeight in 5490, product of:
              1.0 = tf(freq=1.0), with freq of:
                1.0 = termFreq=1.0
              8.090549 = idf(docFreq=36, maxDocs=44421)
              0.5 = fieldNorm(doc=5490)
    

Similar documents (content)

  1. Tseng, Y.-H.: Keyword extraction techniques and relevance feedback (1997) 0.84
    0.8430185 = sum of:
      0.8430185 = product of:
        1.053773 = sum of:
          0.031320535 = weight(abstract_txt:information in 2830) [ClassicSimilarity], result of:
            0.031320535 = score(doc=2830,freq=2.0), product of:
              0.11719425 = queryWeight, product of:
                2.4188995 = idf(docFreq=10748, maxDocs=44421)
                0.04844941 = queryNorm
              0.26725316 = fieldWeight in 2830, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                2.4188995 = idf(docFreq=10748, maxDocs=44421)
                0.078125 = fieldNorm(doc=2830)
          0.11388014 = weight(abstract_txt:retrieval in 2830) [ClassicSimilarity], result of:
            0.11388014 = score(doc=2830,freq=3.0), product of:
              0.24207789 = queryWeight, product of:
                1.4372238 = boost
                3.4765 = idf(docFreq=3732, maxDocs=44421)
                0.04844941 = queryNorm
              0.4704277 = fieldWeight in 2830, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                3.4765 = idf(docFreq=3732, maxDocs=44421)
                0.078125 = fieldNorm(doc=2830)
          0.21947686 = weight(abstract_txt:automatic in 2830) [ClassicSimilarity], result of:
            0.21947686 = score(doc=2830,freq=1.0), product of:
              0.5406996 = queryWeight, product of:
                2.1479535 = boost
                5.1956835 = idf(docFreq=668, maxDocs=44421)
                0.04844941 = queryNorm
              0.40591276 = fieldWeight in 2830, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.1956835 = idf(docFreq=668, maxDocs=44421)
                0.078125 = fieldNorm(doc=2830)
          0.6890955 = weight(abstract_txt:keyword in 2830) [ClassicSimilarity], result of:
            0.6890955 = score(doc=2830,freq=4.0), product of:
              0.73034793 = queryWeight, product of:
                2.496386 = boost
                6.038507 = idf(docFreq=287, maxDocs=44421)
                0.04844941 = queryNorm
              0.94351673 = fieldWeight in 2830, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                6.038507 = idf(docFreq=287, maxDocs=44421)
                0.078125 = fieldNorm(doc=2830)
        0.8 = coord(4/5)
    
  2. Kettunen, K.: Reductive and generative approaches to management of morphological variation of keywords in monolingual information retrieval : an overview (2009) 0.81
    0.80658686 = sum of:
      0.80658686 = product of:
        1.0082335 = sum of:
          0.031320535 = weight(abstract_txt:information in 3835) [ClassicSimilarity], result of:
            0.031320535 = score(doc=3835,freq=2.0), product of:
              0.11719425 = queryWeight, product of:
                2.4188995 = idf(docFreq=10748, maxDocs=44421)
                0.04844941 = queryNorm
              0.26725316 = fieldWeight in 3835, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                2.4188995 = idf(docFreq=10748, maxDocs=44421)
                0.078125 = fieldNorm(doc=3835)
          0.14701864 = weight(abstract_txt:retrieval in 3835) [ClassicSimilarity], result of:
            0.14701864 = score(doc=3835,freq=5.0), product of:
              0.24207789 = queryWeight, product of:
                1.4372238 = boost
                3.4765 = idf(docFreq=3732, maxDocs=44421)
                0.04844941 = queryNorm
              0.6073196 = fieldWeight in 3835, product of:
                2.236068 = tf(freq=5.0), with freq of:
                  5.0 = termFreq=5.0
                3.4765 = idf(docFreq=3732, maxDocs=44421)
                0.078125 = fieldNorm(doc=3835)
          0.1407989 = weight(abstract_txt:classification in 3835) [ClassicSimilarity], result of:
            0.1407989 = score(doc=3835,freq=2.0), product of:
              0.31921726 = queryWeight, product of:
                1.6504031 = boost
                3.9921594 = idf(docFreq=2228, maxDocs=44421)
                0.04844941 = queryNorm
              0.44107544 = fieldWeight in 3835, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.9921594 = idf(docFreq=2228, maxDocs=44421)
                0.078125 = fieldNorm(doc=3835)
          0.6890955 = weight(abstract_txt:keyword in 3835) [ClassicSimilarity], result of:
            0.6890955 = score(doc=3835,freq=4.0), product of:
              0.73034793 = queryWeight, product of:
                2.496386 = boost
                6.038507 = idf(docFreq=287, maxDocs=44421)
                0.04844941 = queryNorm
              0.94351673 = fieldWeight in 3835, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                6.038507 = idf(docFreq=287, maxDocs=44421)
                0.078125 = fieldNorm(doc=3835)
        0.8 = coord(4/5)
    
  3. Stamou, G.; Chortaras, A.: Ontological query answering over semantic data (2017) 0.73
    0.72650504 = sum of:
      0.72650504 = product of:
        1.2108417 = sum of:
          0.062011495 = weight(abstract_txt:information in 4926) [ClassicSimilarity], result of:
            0.062011495 = score(doc=4926,freq=1.0), product of:
              0.11719425 = queryWeight, product of:
                2.4188995 = idf(docFreq=10748, maxDocs=44421)
                0.04844941 = queryNorm
              0.5291343 = fieldWeight in 4926, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                2.4188995 = idf(docFreq=10748, maxDocs=44421)
                0.21875 = fieldNorm(doc=4926)
          0.18409646 = weight(abstract_txt:retrieval in 4926) [ClassicSimilarity], result of:
            0.18409646 = score(doc=4926,freq=1.0), product of:
              0.24207789 = queryWeight, product of:
                1.4372238 = boost
                3.4765 = idf(docFreq=3732, maxDocs=44421)
                0.04844941 = queryNorm
              0.7604844 = fieldWeight in 4926, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.4765 = idf(docFreq=3732, maxDocs=44421)
                0.21875 = fieldNorm(doc=4926)
          0.9647337 = weight(abstract_txt:keyword in 4926) [ClassicSimilarity], result of:
            0.9647337 = score(doc=4926,freq=1.0), product of:
              0.73034793 = queryWeight, product of:
                2.496386 = boost
                6.038507 = idf(docFreq=287, maxDocs=44421)
                0.04844941 = queryNorm
              1.3209234 = fieldWeight in 4926, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.038507 = idf(docFreq=287, maxDocs=44421)
                0.21875 = fieldNorm(doc=4926)
        0.6 = coord(3/5)
    
  4. Chan, L.M.: ¬The Library of Congress Classification System in an online environment (1990) 0.66
    0.6613145 = sum of:
      0.6613145 = product of:
        1.1021907 = sum of:
          0.13149746 = weight(abstract_txt:retrieval in 602) [ClassicSimilarity], result of:
            0.13149746 = score(doc=602,freq=1.0), product of:
              0.24207789 = queryWeight, product of:
                1.4372238 = boost
                3.4765 = idf(docFreq=3732, maxDocs=44421)
                0.04844941 = queryNorm
              0.5432031 = fieldWeight in 602, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.4765 = idf(docFreq=3732, maxDocs=44421)
                0.15625 = fieldNorm(doc=602)
          0.2815978 = weight(abstract_txt:classification in 602) [ClassicSimilarity], result of:
            0.2815978 = score(doc=602,freq=2.0), product of:
              0.31921726 = queryWeight, product of:
                1.6504031 = boost
                3.9921594 = idf(docFreq=2228, maxDocs=44421)
                0.04844941 = queryNorm
              0.8821509 = fieldWeight in 602, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.9921594 = idf(docFreq=2228, maxDocs=44421)
                0.15625 = fieldNorm(doc=602)
          0.6890955 = weight(abstract_txt:keyword in 602) [ClassicSimilarity], result of:
            0.6890955 = score(doc=602,freq=1.0), product of:
              0.73034793 = queryWeight, product of:
                2.496386 = boost
                6.038507 = idf(docFreq=287, maxDocs=44421)
                0.04844941 = queryNorm
              0.94351673 = fieldWeight in 602, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.038507 = idf(docFreq=287, maxDocs=44421)
                0.15625 = fieldNorm(doc=602)
        0.6 = coord(3/5)
    
  5. Shafer, K.E.: Evaluating Scorpion results (1998) 0.64
    0.6372387 = sum of:
      0.6372387 = product of:
        0.79654837 = sum of:
          0.03543514 = weight(abstract_txt:information in 2569) [ClassicSimilarity], result of:
            0.03543514 = score(doc=2569,freq=1.0), product of:
              0.11719425 = queryWeight, product of:
                2.4188995 = idf(docFreq=10748, maxDocs=44421)
                0.04844941 = queryNorm
              0.30236244 = fieldWeight in 2569, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                2.4188995 = idf(docFreq=10748, maxDocs=44421)
                0.125 = fieldNorm(doc=2569)
          0.10519797 = weight(abstract_txt:retrieval in 2569) [ClassicSimilarity], result of:
            0.10519797 = score(doc=2569,freq=1.0), product of:
              0.24207789 = queryWeight, product of:
                1.4372238 = boost
                3.4765 = idf(docFreq=3732, maxDocs=44421)
                0.04844941 = queryNorm
              0.4345625 = fieldWeight in 2569, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.4765 = idf(docFreq=3732, maxDocs=44421)
                0.125 = fieldNorm(doc=2569)
          0.15929577 = weight(abstract_txt:classification in 2569) [ClassicSimilarity], result of:
            0.15929577 = score(doc=2569,freq=1.0), product of:
              0.31921726 = queryWeight, product of:
                1.6504031 = boost
                3.9921594 = idf(docFreq=2228, maxDocs=44421)
                0.04844941 = queryNorm
              0.49901992 = fieldWeight in 2569, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.9921594 = idf(docFreq=2228, maxDocs=44421)
                0.125 = fieldNorm(doc=2569)
          0.49661946 = weight(abstract_txt:automatic in 2569) [ClassicSimilarity], result of:
            0.49661946 = score(doc=2569,freq=2.0), product of:
              0.5406996 = queryWeight, product of:
                2.1479535 = boost
                5.1956835 = idf(docFreq=668, maxDocs=44421)
                0.04844941 = queryNorm
              0.91847575 = fieldWeight in 2569, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.1956835 = idf(docFreq=668, maxDocs=44421)
                0.125 = fieldNorm(doc=2569)
        0.8 = coord(4/5)