Search (1 results, page 1 of 1)

  • × subject_ss:"Information retrieval / Use of / On-line computers"
  • × theme_ss:"Suchtaktik"
  1. Chamis, A.Y.: Vocabulary control and search strategies in online searching (1991) 0.04
    0.037263088 = product of:
      0.05589463 = sum of:
        0.050005957 = product of:
          0.20002383 = sum of:
            0.20002383 = weight(_text_:author's in 820) [ClassicSimilarity], result of:
              0.20002383 = score(doc=820,freq=2.0), product of:
                0.33674997 = queryWeight, product of:
                  6.7201533 = idf(docFreq=144, maxDocs=44218)
                  0.05011046 = queryNorm
                0.59398323 = fieldWeight in 820, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  6.7201533 = idf(docFreq=144, maxDocs=44218)
                  0.0625 = fieldNorm(doc=820)
          0.25 = coord(1/4)
        0.005888672 = weight(_text_:a in 820) [ClassicSimilarity], result of:
          0.005888672 = score(doc=820,freq=2.0), product of:
            0.057779714 = queryWeight, product of:
              1.153047 = idf(docFreq=37942, maxDocs=44218)
              0.05011046 = queryNorm
            0.10191591 = fieldWeight in 820, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              1.153047 = idf(docFreq=37942, maxDocs=44218)
              0.0625 = fieldNorm(doc=820)
      0.6666667 = coord(2/3)
    
    Abstract
    Based on the author's 1984 dissertation, this technical and detailed volume looks at problems related to control of terms used in searching among a variety of databases