Search (4 results, page 1 of 1)

  • × year_i:[1990 TO 2000}
  • × classification_ss:"025.04"
  1. CD-ROM reviews 1987-1990 : optical product reviews from CD-ROM librarian (1991) 0.03
    0.03365434 = product of:
      0.16827169 = sum of:
        0.16827169 = weight(_text_:cd in 800) [ClassicSimilarity], result of:
          0.16827169 = score(doc=800,freq=6.0), product of:
            0.21311972 = queryWeight, product of:
              4.125929 = idf(docFreq=1940, maxDocs=44218)
              0.051653754 = queryNorm
            0.78956413 = fieldWeight in 800, product of:
              2.4494898 = tf(freq=6.0), with freq of:
                6.0 = termFreq=6.0
              4.125929 = idf(docFreq=1940, maxDocs=44218)
              0.078125 = fieldNorm(doc=800)
      0.2 = coord(1/5)
    
    Abstract
    Wiederabdruck der 73 Rezensionen aus der Zeitschrift 'CD-ROM librarian' aus den Jahren 1987-1990
  2. Bradley, P.: Going online, CD-ROM and the Internet (1997) 0.03
    0.026923468 = product of:
      0.13461734 = sum of:
        0.13461734 = weight(_text_:cd in 1726) [ClassicSimilarity], result of:
          0.13461734 = score(doc=1726,freq=6.0), product of:
            0.21311972 = queryWeight, product of:
              4.125929 = idf(docFreq=1940, maxDocs=44218)
              0.051653754 = queryNorm
            0.6316513 = fieldWeight in 1726, product of:
              2.4494898 = tf(freq=6.0), with freq of:
                6.0 = termFreq=6.0
              4.125929 = idf(docFreq=1940, maxDocs=44218)
              0.0625 = fieldNorm(doc=1726)
      0.2 = coord(1/5)
    
    LCSH
    CD / ROMs
    Subject
    CD / ROMs
  3. Cox, J.: Keyguide to information sources in online and CD-ROM database searching (1991) 0.02
    0.01554427 = product of:
      0.07772135 = sum of:
        0.07772135 = weight(_text_:cd in 982) [ClassicSimilarity], result of:
          0.07772135 = score(doc=982,freq=2.0), product of:
            0.21311972 = queryWeight, product of:
              4.125929 = idf(docFreq=1940, maxDocs=44218)
              0.051653754 = queryNorm
            0.36468402 = fieldWeight in 982, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              4.125929 = idf(docFreq=1940, maxDocs=44218)
              0.0625 = fieldNorm(doc=982)
      0.2 = coord(1/5)
    
  4. Convey, J.: Online information retrieval : an introductory manual to principles and practice (1992) 0.02
    0.01554427 = product of:
      0.07772135 = sum of:
        0.07772135 = weight(_text_:cd in 763) [ClassicSimilarity], result of:
          0.07772135 = score(doc=763,freq=2.0), product of:
            0.21311972 = queryWeight, product of:
              4.125929 = idf(docFreq=1940, maxDocs=44218)
              0.051653754 = queryNorm
            0.36468402 = fieldWeight in 763, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              4.125929 = idf(docFreq=1940, maxDocs=44218)
              0.0625 = fieldNorm(doc=763)
      0.2 = coord(1/5)
    
    Abstract
    A succinet overview of the latest developments in the information retrieval industry with an expanded section on CD technology. Practical examples can be used in training searchers new to online information retrieval