Search (35 results, page 1 of 2)

Sparck Jones, K.; Walker, S.; Robertson, S.E.: ¬A probabilistic model of information retrieval : development and comparative experiments - part 1 (2000) 0.02

0.020568136 = product of:
  0.030852202 = sum of:
    0.008897942 = weight(_text_:s in 4181) [ClassicSimilarity], result of:
      0.008897942 = score(doc=4181,freq=4.0), product of:
        0.043647945 = queryWeight, product of:
          1.0872376 = idf(docFreq=40523, maxDocs=44218)
          0.04014573 = queryNorm
        0.20385705 = fieldWeight in 4181, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          1.0872376 = idf(docFreq=40523, maxDocs=44218)
          0.09375 = fieldNorm(doc=4181)
    0.02195426 = product of:
      0.06586278 = sum of:
        0.06586278 = weight(_text_:29 in 4181) [ClassicSimilarity], result of:
          0.06586278 = score(doc=4181,freq=2.0), product of:
            0.14122012 = queryWeight, product of:
              3.5176873 = idf(docFreq=3565, maxDocs=44218)
              0.04014573 = queryNorm
            0.46638384 = fieldWeight in 4181, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5176873 = idf(docFreq=3565, maxDocs=44218)
              0.09375 = fieldNorm(doc=4181)
      0.33333334 = coord(1/3)
  0.6666667 = coord(2/3)

Date: 27.12.2007 19:27:29
Source: Information processing and management. 36(2000) no.6, S.779-808

MacFarlane, A.; Robertson, S.E.; McCann, J.A.: Parallel computing for passage retrieval (2004) 0.01

0.012466028 = product of:
  0.018699042 = sum of:
    0.0041945297 = weight(_text_:s in 5108) [ClassicSimilarity], result of:
      0.0041945297 = score(doc=5108,freq=2.0), product of:
        0.043647945 = queryWeight, product of:
          1.0872376 = idf(docFreq=40523, maxDocs=44218)
          0.04014573 = queryNorm
        0.09609913 = fieldWeight in 5108, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.0872376 = idf(docFreq=40523, maxDocs=44218)
          0.0625 = fieldNorm(doc=5108)
    0.014504513 = product of:
      0.043513536 = sum of:
        0.043513536 = weight(_text_:22 in 5108) [ClassicSimilarity], result of:
          0.043513536 = score(doc=5108,freq=2.0), product of:
            0.1405835 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.04014573 = queryNorm
            0.30952093 = fieldWeight in 5108, 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=5108)
      0.33333334 = coord(1/3)
  0.6666667 = coord(2/3)

Date: 20. 1.2007 18:30:22
Source: Aslib proceedings. 56(2004) no.4, S.201-211

Vechtomova, O.; Robertson, S.E.: ¬A domain-independent approach to finding related entities (2012) 0.01

0.009415352 = product of:
  0.014123027 = sum of:
    0.003145897 = weight(_text_:s in 2733) [ClassicSimilarity], result of:
      0.003145897 = score(doc=2733,freq=2.0), product of:
        0.043647945 = queryWeight, product of:
          1.0872376 = idf(docFreq=40523, maxDocs=44218)
          0.04014573 = queryNorm
        0.072074346 = fieldWeight in 2733, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.0872376 = idf(docFreq=40523, maxDocs=44218)
          0.046875 = fieldNorm(doc=2733)
    0.01097713 = product of:
      0.03293139 = sum of:
        0.03293139 = weight(_text_:29 in 2733) [ClassicSimilarity], result of:
          0.03293139 = score(doc=2733,freq=2.0), product of:
            0.14122012 = queryWeight, product of:
              3.5176873 = idf(docFreq=3565, maxDocs=44218)
              0.04014573 = queryNorm
            0.23319192 = fieldWeight in 2733, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5176873 = idf(docFreq=3565, maxDocs=44218)
              0.046875 = fieldNorm(doc=2733)
      0.33333334 = coord(1/3)
  0.6666667 = coord(2/3)

Date: 27. 1.2016 18:44:29
Source: Information processing and management. 48(2012) no.4, S.654-670

Robertson, S.E.: Indexing theory and retrieval effectiveness (1979) 0.00

0.0034954415 = product of:
  0.010486324 = sum of:
    0.010486324 = weight(_text_:s in 5175) [ClassicSimilarity], result of:
      0.010486324 = score(doc=5175,freq=2.0), product of:
        0.043647945 = queryWeight, product of:
          1.0872376 = idf(docFreq=40523, maxDocs=44218)
          0.04014573 = queryNorm
        0.24024783 = fieldWeight in 5175, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.0872376 = idf(docFreq=40523, maxDocs=44218)
          0.15625 = fieldNorm(doc=5175)
  0.33333334 = coord(1/3)

Source: Drexel library quarterly. 14(1979), S.40-56

Robertson, S.E.; Walker, S.: Some simple effective approximations to the 2-Poisson molde for probabilisitc weighted retrieval (1979) 0.00

0.0030271416 = product of:
  0.009081424 = sum of:
    0.009081424 = weight(_text_:s in 1940) [ClassicSimilarity], result of:
      0.009081424 = score(doc=1940,freq=6.0), product of:
        0.043647945 = queryWeight, product of:
          1.0872376 = idf(docFreq=40523, maxDocs=44218)
          0.04014573 = queryNorm
        0.20806074 = fieldWeight in 1940, product of:
          2.4494898 = tf(freq=6.0), with freq of:
            6.0 = termFreq=6.0
          1.0872376 = idf(docFreq=40523, maxDocs=44218)
          0.078125 = fieldNorm(doc=1940)
  0.33333334 = coord(1/3)

Footnote: Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willett. San Francisco: Morgan Kaufmann 1997. S.345-453.
Source: Journal of documentation. 35(1979), S.285-295 (???)

Sparck Jones, K.; Walker, S.; Robertson, S.E.: ¬A probabilistic model of information retrieval : development and comparative experiments - part 2 (2000) 0.00

0.0029659807 = product of:
  0.008897942 = sum of:
    0.008897942 = weight(_text_:s in 4286) [ClassicSimilarity], result of:
      0.008897942 = score(doc=4286,freq=4.0), product of:
        0.043647945 = queryWeight, product of:
          1.0872376 = idf(docFreq=40523, maxDocs=44218)
          0.04014573 = queryNorm
        0.20385705 = fieldWeight in 4286, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          1.0872376 = idf(docFreq=40523, maxDocs=44218)
          0.09375 = fieldNorm(doc=4286)
  0.33333334 = coord(1/3)

Source: Information processing and management. 36(2000) no.6, S.809-840

Robertson, S.E.; Walker, S.; Beaulieu, M.: Experimentation as a way of life : Okapi at TREC (2000) 0.00

0.0029659807 = product of:
  0.008897942 = sum of:
    0.008897942 = weight(_text_:s in 6030) [ClassicSimilarity], result of:
      0.008897942 = score(doc=6030,freq=4.0), product of:
        0.043647945 = queryWeight, product of:
          1.0872376 = idf(docFreq=40523, maxDocs=44218)
          0.04014573 = queryNorm
        0.20385705 = fieldWeight in 6030, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          1.0872376 = idf(docFreq=40523, maxDocs=44218)
          0.09375 = fieldNorm(doc=6030)
  0.33333334 = coord(1/3)

Source: Information processing and management. 36(2000) no.1, S.95-108

Robertson, S.E.; Walker, S.; Beaulieu, M.M.; Gatford, M.; Payne, A.: Okapi at TREC-4 (1996) 0.00

0.0029659807 = product of:
  0.008897942 = sum of:
    0.008897942 = weight(_text_:s in 7546) [ClassicSimilarity], result of:
      0.008897942 = score(doc=7546,freq=4.0), product of:
        0.043647945 = queryWeight, product of:
          1.0872376 = idf(docFreq=40523, maxDocs=44218)
          0.04014573 = queryNorm
        0.20385705 = fieldWeight in 7546, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          1.0872376 = idf(docFreq=40523, maxDocs=44218)
          0.09375 = fieldNorm(doc=7546)
  0.33333334 = coord(1/3)

Pages: S.73-96

Robertson, S.E.: ¬The probability ranking principle in IR (1977) 0.00

0.0029659807 = product of:
  0.008897942 = sum of:
    0.008897942 = weight(_text_:s in 1935) [ClassicSimilarity], result of:
      0.008897942 = score(doc=1935,freq=4.0), product of:
        0.043647945 = queryWeight, product of:
          1.0872376 = idf(docFreq=40523, maxDocs=44218)
          0.04014573 = queryNorm
        0.20385705 = fieldWeight in 1935, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          1.0872376 = idf(docFreq=40523, maxDocs=44218)
          0.09375 = fieldNorm(doc=1935)
  0.33333334 = coord(1/3)

Footnote: Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willet. San Francisco: Morgan Kaufmann 1997. S.281-286.
Source: Journal of documentation. 33(1977), S.294-304

Beaulieu, M.M.; Gatford, M.; Huang, X.; Robertson, S.E.; Walker, S.; Williams, P.: Okapi an TREC-5 (1997) 0.00

0.0029659807 = product of:
  0.008897942 = sum of:
    0.008897942 = weight(_text_:s in 3097) [ClassicSimilarity], result of:
      0.008897942 = score(doc=3097,freq=4.0), product of:
        0.043647945 = queryWeight, product of:
          1.0872376 = idf(docFreq=40523, maxDocs=44218)
          0.04014573 = queryNorm
        0.20385705 = fieldWeight in 3097, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          1.0872376 = idf(docFreq=40523, maxDocs=44218)
          0.09375 = fieldNorm(doc=3097)
  0.33333334 = coord(1/3)

Pages: S.143-165

Robertson, S.E.; Belkin, N.J.: Ranking in principle (1978) 0.00

0.0027963533 = product of:
  0.008389059 = sum of:
    0.008389059 = weight(_text_:s in 1143) [ClassicSimilarity], result of:
      0.008389059 = score(doc=1143,freq=2.0), product of:
        0.043647945 = queryWeight, product of:
          1.0872376 = idf(docFreq=40523, maxDocs=44218)
          0.04014573 = queryNorm
        0.19219826 = fieldWeight in 1143, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.0872376 = idf(docFreq=40523, maxDocs=44218)
          0.125 = fieldNorm(doc=1143)
  0.33333334 = coord(1/3)

Source: Journal of documentation. 34(1978), S.93-100

Robertson, S.E.; Hancock-Beaulieu, M.M.: On the evaluation of IR systems (1992) 0.00

0.0027963533 = product of:
  0.008389059 = sum of:
    0.008389059 = weight(_text_:s in 2619) [ClassicSimilarity], result of:
      0.008389059 = score(doc=2619,freq=2.0), product of:
        0.043647945 = queryWeight, product of:
          1.0872376 = idf(docFreq=40523, maxDocs=44218)
          0.04014573 = queryNorm
        0.19219826 = fieldWeight in 2619, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.0872376 = idf(docFreq=40523, maxDocs=44218)
          0.125 = fieldNorm(doc=2619)
  0.33333334 = coord(1/3)

Source: Information processing and management. 28(1992) no.4, S.457-466

Robertson, S.E.: ¬The probabilistic character of relevance (1977) 0.00

0.0027963533 = product of:
  0.008389059 = sum of:
    0.008389059 = weight(_text_:s in 7399) [ClassicSimilarity], result of:
      0.008389059 = score(doc=7399,freq=2.0), product of:
        0.043647945 = queryWeight, product of:
          1.0872376 = idf(docFreq=40523, maxDocs=44218)
          0.04014573 = queryNorm
        0.19219826 = fieldWeight in 7399, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.0872376 = idf(docFreq=40523, maxDocs=44218)
          0.125 = fieldNorm(doc=7399)
  0.33333334 = coord(1/3)

Source: Information processing and management. 13(1977), S.247-251

Robertson, S.E.: ¬The methodology of information retrieval experiment (1981) 0.00

0.0027963533 = product of:
  0.008389059 = sum of:
    0.008389059 = weight(_text_:s in 3146) [ClassicSimilarity], result of:
      0.008389059 = score(doc=3146,freq=2.0), product of:
        0.043647945 = queryWeight, product of:
          1.0872376 = idf(docFreq=40523, maxDocs=44218)
          0.04014573 = queryNorm
        0.19219826 = fieldWeight in 3146, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.0872376 = idf(docFreq=40523, maxDocs=44218)
          0.125 = fieldNorm(doc=3146)
  0.33333334 = coord(1/3)

Pages: S.9-31

Bovey, J.D.; Robertson, S.E.: ¬An algorithm for weighted searching on a Boolean system (1984) 0.00

0.0024468089 = product of:
  0.0073404266 = sum of:
    0.0073404266 = weight(_text_:s in 788) [ClassicSimilarity], result of:
      0.0073404266 = score(doc=788,freq=2.0), product of:
        0.043647945 = queryWeight, product of:
          1.0872376 = idf(docFreq=40523, maxDocs=44218)
          0.04014573 = queryNorm
        0.16817348 = fieldWeight in 788, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.0872376 = idf(docFreq=40523, maxDocs=44218)
          0.109375 = fieldNorm(doc=788)
  0.33333334 = coord(1/3)

Source: Information technology: research and development. 3(1984) no.1, S.84-87

Robertson, S.E.: Some recent theories and models in information retrieval (1980) 0.00

0.0020972649 = product of:
  0.006291794 = sum of:
    0.006291794 = weight(_text_:s in 1326) [ClassicSimilarity], result of:
      0.006291794 = score(doc=1326,freq=2.0), product of:
        0.043647945 = queryWeight, product of:
          1.0872376 = idf(docFreq=40523, maxDocs=44218)
          0.04014573 = queryNorm
        0.14414869 = fieldWeight in 1326, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.0872376 = idf(docFreq=40523, maxDocs=44218)
          0.09375 = fieldNorm(doc=1326)
  0.33333334 = coord(1/3)

Pages: S.131-136

Robertson, S.E.: On relevance weight estimation and query expansion (1986) 0.00

0.0017477208 = product of:
  0.005243162 = sum of:
    0.005243162 = weight(_text_:s in 3875) [ClassicSimilarity], result of:
      0.005243162 = score(doc=3875,freq=2.0), product of:
        0.043647945 = queryWeight, product of:
          1.0872376 = idf(docFreq=40523, maxDocs=44218)
          0.04014573 = queryNorm
        0.120123915 = fieldWeight in 3875, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.0872376 = idf(docFreq=40523, maxDocs=44218)
          0.078125 = fieldNorm(doc=3875)
  0.33333334 = coord(1/3)

Source: Journal of documentation. 42(1986), S.182-188

Robertson, S.E.: OKAPI at TREC (1994) 0.00

0.0017477208 = product of:
  0.005243162 = sum of:
    0.005243162 = weight(_text_:s in 7952) [ClassicSimilarity], result of:
      0.005243162 = score(doc=7952,freq=2.0), product of:
        0.043647945 = queryWeight, product of:
          1.0872376 = idf(docFreq=40523, maxDocs=44218)
          0.04014573 = queryNorm
        0.120123915 = fieldWeight in 7952, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.0872376 = idf(docFreq=40523, maxDocs=44218)
          0.078125 = fieldNorm(doc=7952)
  0.33333334 = coord(1/3)

Pages: 19 S

Robertson, S.E.: OKAPI at TREC-1 (1994) 0.00

0.0017477208 = product of:
  0.005243162 = sum of:
    0.005243162 = weight(_text_:s in 7953) [ClassicSimilarity], result of:
      0.005243162 = score(doc=7953,freq=2.0), product of:
        0.043647945 = queryWeight, product of:
          1.0872376 = idf(docFreq=40523, maxDocs=44218)
          0.04014573 = queryNorm
        0.120123915 = fieldWeight in 7953, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.0872376 = idf(docFreq=40523, maxDocs=44218)
          0.078125 = fieldNorm(doc=7953)
  0.33333334 = coord(1/3)

Pages: 19 S

Robertson, S.E.; Walker, S.; Beaulieu, M.: Laboratory experiments with Okapi : participation in the TREC programme (1997) 0.00

0.0017301554 = product of:
  0.005190466 = sum of:
    0.005190466 = weight(_text_:s in 2216) [ClassicSimilarity], result of:
      0.005190466 = score(doc=2216,freq=4.0), product of:
        0.043647945 = queryWeight, product of:
          1.0872376 = idf(docFreq=40523, maxDocs=44218)
          0.04014573 = queryNorm
        0.118916616 = fieldWeight in 2216, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          1.0872376 = idf(docFreq=40523, maxDocs=44218)
          0.0546875 = fieldNorm(doc=2216)
  0.33333334 = coord(1/3)

Source: Journal of documentation. 53(1997) no.1, S.20-34

Search (35 results, page 1 of 2)

Authors

Years

Types

Themes