Search (1 results, page 1 of 1)

  • × classification_ss:"025.04"
  • × classification_ss:"Z699.3"
  • × subject_ss:"Information storage and retrieval systems"
  1. Cox, J.: Keyguide to information sources in online and CD-ROM database searching (1991) 0.02
    0.022199143 = product of:
      0.066597424 = sum of:
        0.066597424 = product of:
          0.09989613 = sum of:
            0.0415382 = weight(_text_:online in 982) [ClassicSimilarity], result of:
              0.0415382 = score(doc=982,freq=2.0), product of:
                0.1548489 = queryWeight, product of:
                  3.0349014 = idf(docFreq=5778, maxDocs=44218)
                  0.051022716 = queryNorm
                0.2682499 = fieldWeight in 982, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.0349014 = idf(docFreq=5778, maxDocs=44218)
                  0.0625 = fieldNorm(doc=982)
            0.058357935 = weight(_text_:retrieval in 982) [ClassicSimilarity], result of:
              0.058357935 = score(doc=982,freq=4.0), product of:
                0.15433937 = queryWeight, product of:
                  3.024915 = idf(docFreq=5836, maxDocs=44218)
                  0.051022716 = queryNorm
                0.37811437 = fieldWeight in 982, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  3.024915 = idf(docFreq=5836, maxDocs=44218)
                  0.0625 = fieldNorm(doc=982)
          0.6666667 = coord(2/3)
      0.33333334 = coord(1/3)
    
    LCSH
    Information storage and retrieval systems
    Subject
    Information storage and retrieval systems