Search (5 results, page 1 of 1)

Research and development in information retrieval : Proc. of the 3rd joint BCS and ACM symp., Cambridge, 2.-6.7.1984 (1984) 0.10

0.10290745 = product of:
  0.2058149 = sum of:
    0.2058149 = product of:
      0.4116298 = sum of:
        0.4116298 = weight(_text_:c.j in 922) [ClassicSimilarity], result of:
          0.4116298 = score(doc=922,freq=2.0), product of:
            0.33577883 = queryWeight, product of:
              6.9347134 = idf(docFreq=116, maxDocs=44218)
              0.04842 = queryNorm
            1.2258956 = fieldWeight in 922, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              6.9347134 = idf(docFreq=116, maxDocs=44218)
              0.125 = fieldNorm(doc=922)
      0.5 = coord(1/2)
  0.5 = coord(1/2)

Editor: Rijsbergen, C.J. van

Information retrieval experiment (1981) 0.05
```
0.04502201 = product of:
  0.09004402 = sum of:
    0.09004402 = product of:
      0.18008804 = sum of:
        0.18008804 = weight(_text_:c.j in 2653) [ClassicSimilarity], result of:
          0.18008804 = score(doc=2653,freq=2.0), product of:
            0.33577883 = queryWeight, product of:
              6.9347134 = idf(docFreq=116, maxDocs=44218)
              0.04842 = queryNorm
            0.5363293 = fieldWeight in 2653, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              6.9347134 = idf(docFreq=116, maxDocs=44218)
              0.0546875 = fieldNorm(doc=2653)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
```
Content

Enthält die Beiträge: ROBERTSON, S.E.: The methodology of information retrieval experiment; RIJSBERGEN, C.J. van: Retrieval effectiveness; BELKIN, N.: Ineffable concepts in information retrieval; TAGUE, J.M.: The pragmatics of information retrieval experimentation; LANCASTER, F.W.: Evaluation within the environment of an operating information service; BARRACLOUGH, E.D.: Opportunities for testing with online systems; KEEN, M.E.: Laboratory tests of manual systems; ODDY, R.N.: Laboratory tests: automatic systems; HEINE, M.D.: Simulation, and simulation experiments; COOPER, W.S.: Gedanken experimentation: an alternative to traditional system testing?; SPARCK JONES, K.: Actual tests - retrieval system tests; EVANS, L.: An experiment: search strategy variation in SDI profiles; SALTON, G.: The Smart environment for retrieval system evaluation - advantage and problem areas

Information brokers and reference services (1989) 0.03

0.026240967 = product of:
  0.052481934 = sum of:
    0.052481934 = product of:
      0.10496387 = sum of:
        0.10496387 = weight(_text_:22 in 252) [ClassicSimilarity], result of:
          0.10496387 = score(doc=252,freq=2.0), product of:
            0.1695586 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.04842 = queryNorm
            0.61904186 = fieldWeight in 252, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.125 = fieldNorm(doc=252)
      0.5 = coord(1/2)
  0.5 = coord(1/2)

Series: Reference librarian; no.22

Smith, L.C.: "Wholly new forms of encyclopedias" : electronic knowledge in the form of hypertext (1989) 0.01

0.013120484 = product of:
  0.026240967 = sum of:
    0.026240967 = product of:
      0.052481934 = sum of:
        0.052481934 = weight(_text_:22 in 3558) [ClassicSimilarity], result of:
          0.052481934 = score(doc=3558,freq=2.0), product of:
            0.1695586 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.04842 = queryNorm
            0.30952093 = fieldWeight in 3558, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.0625 = fieldNorm(doc=3558)
      0.5 = coord(1/2)
  0.5 = coord(1/2)

Date: 7. 1.1996 22:47:52

Sievert, M.E.; McKinin, E.J.: Why full-text misses some relevant documents : an analysis of documents not retrieved by CCML or MEDIS (1989) 0.01

0.009840363 = product of:
  0.019680725 = sum of:
    0.019680725 = product of:
      0.03936145 = sum of:
        0.03936145 = weight(_text_:22 in 3564) [ClassicSimilarity], result of:
          0.03936145 = score(doc=3564,freq=2.0), product of:
            0.1695586 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.04842 = queryNorm
            0.23214069 = fieldWeight in 3564, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.046875 = fieldNorm(doc=3564)
      0.5 = coord(1/2)
  0.5 = coord(1/2)

Date: 9. 1.1996 10:22:31

Search (5 results, page 1 of 1)

Authors

Themes