Search (40 results, page 1 of 2)

  • × year_i:[1990 TO 2000}
  • × theme_ss:"Retrievalstudien"
  1. Wan, T.-L.; Evens, M.; Wan, Y.-W.; Pao, Y.-Y.: Experiments with automatic indexing and a relational thesaurus in a Chinese information retrieval system (1997) 0.06
    0.06388446 = product of:
      0.12776892 = sum of:
        0.12776892 = product of:
          0.19165337 = sum of:
            0.13750076 = weight(_text_:y in 956) [ClassicSimilarity], result of:
              0.13750076 = score(doc=956,freq=6.0), product of:
                0.2132945 = queryWeight, product of:
                  4.8124003 = idf(docFreq=976, maxDocs=44218)
                  0.044321854 = queryNorm
                0.6446522 = fieldWeight in 956, product of:
                  2.4494898 = tf(freq=6.0), with freq of:
                    6.0 = termFreq=6.0
                  4.8124003 = idf(docFreq=976, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=956)
            0.054152604 = weight(_text_:l in 956) [ClassicSimilarity], result of:
              0.054152604 = score(doc=956,freq=2.0), product of:
                0.17616397 = queryWeight, product of:
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.044321854 = queryNorm
                0.30739886 = fieldWeight in 956, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=956)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
  2. Allan, J.; Callan, J.P.; Croft, W.B.; Ballesteros, L.; Broglio, J.; Xu, J.; Shu, H.: INQUERY at TREC-5 (1997) 0.05
    0.045803618 = product of:
      0.091607235 = sum of:
        0.091607235 = product of:
          0.13741085 = sum of:
            0.07736086 = weight(_text_:l in 3103) [ClassicSimilarity], result of:
              0.07736086 = score(doc=3103,freq=2.0), product of:
                0.17616397 = queryWeight, product of:
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.044321854 = queryNorm
                0.4391412 = fieldWeight in 3103, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.078125 = fieldNorm(doc=3103)
            0.060049992 = weight(_text_:22 in 3103) [ClassicSimilarity], result of:
              0.060049992 = score(doc=3103,freq=2.0), product of:
                0.15520757 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.044321854 = queryNorm
                0.38690117 = fieldWeight in 3103, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.078125 = fieldNorm(doc=3103)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Date
    27. 2.1999 20:55:22
  3. Ravin, Y.: ¬The GURU system in TREC-5 (1997) 0.02
    0.022681747 = product of:
      0.045363493 = sum of:
        0.045363493 = product of:
          0.13609047 = sum of:
            0.13609047 = weight(_text_:y in 3094) [ClassicSimilarity], result of:
              0.13609047 = score(doc=3094,freq=2.0), product of:
                0.2132945 = queryWeight, product of:
                  4.8124003 = idf(docFreq=976, maxDocs=44218)
                  0.044321854 = queryNorm
                0.6380402 = fieldWeight in 3094, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  4.8124003 = idf(docFreq=976, maxDocs=44218)
                  0.09375 = fieldNorm(doc=3094)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  4. Hancock-Beaulieu, M.; McKenzie, L.; Irving, A.: Evaluative protocols for searching behaviour in online library catalogues (1991) 0.02
    0.018050868 = product of:
      0.036101736 = sum of:
        0.036101736 = product of:
          0.10830521 = sum of:
            0.10830521 = weight(_text_:l in 347) [ClassicSimilarity], result of:
              0.10830521 = score(doc=347,freq=2.0), product of:
                0.17616397 = queryWeight, product of:
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.044321854 = queryNorm
                0.6147977 = fieldWeight in 347, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.109375 = fieldNorm(doc=347)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  5. Kelledy, L.; Smeaton, A.F.: TREC-5 experiments at Dublin City University : Query space reduction, Spanish & character shape encoding (1997) 0.02
    0.015472172 = product of:
      0.030944344 = sum of:
        0.030944344 = product of:
          0.09283303 = sum of:
            0.09283303 = weight(_text_:l in 3089) [ClassicSimilarity], result of:
              0.09283303 = score(doc=3089,freq=2.0), product of:
                0.17616397 = queryWeight, product of:
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.044321854 = queryNorm
                0.52696943 = fieldWeight in 3089, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.09375 = fieldNorm(doc=3089)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  6. Burnett, M.; Jones, R.; Pape, L.: InTEXT automatic query enhancements in TREC-5 (1997) 0.02
    0.015472172 = product of:
      0.030944344 = sum of:
        0.030944344 = product of:
          0.09283303 = sum of:
            0.09283303 = weight(_text_:l in 3091) [ClassicSimilarity], result of:
              0.09283303 = score(doc=3091,freq=2.0), product of:
                0.17616397 = queryWeight, product of:
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.044321854 = queryNorm
                0.52696943 = fieldWeight in 3091, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.09375 = fieldNorm(doc=3091)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  7. Kwok, K.L.; Grunfeld, L.: TREC-5 English and Chinese retrieval experiments using PIRCS (1997) 0.02
    0.015472172 = product of:
      0.030944344 = sum of:
        0.030944344 = product of:
          0.09283303 = sum of:
            0.09283303 = weight(_text_:l in 3102) [ClassicSimilarity], result of:
              0.09283303 = score(doc=3102,freq=2.0), product of:
                0.17616397 = queryWeight, product of:
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.044321854 = queryNorm
                0.52696943 = fieldWeight in 3102, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.09375 = fieldNorm(doc=3102)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  8. Tonta, Y.: Analysis of search failures in document retrieval systems : a review (1992) 0.02
    0.015121162 = product of:
      0.030242324 = sum of:
        0.030242324 = product of:
          0.09072697 = sum of:
            0.09072697 = weight(_text_:y in 4611) [ClassicSimilarity], result of:
              0.09072697 = score(doc=4611,freq=2.0), product of:
                0.2132945 = queryWeight, product of:
                  4.8124003 = idf(docFreq=976, maxDocs=44218)
                  0.044321854 = queryNorm
                0.4253601 = fieldWeight in 4611, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  4.8124003 = idf(docFreq=976, maxDocs=44218)
                  0.0625 = fieldNorm(doc=4611)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  9. Tomaiuolo, N.G.; Parker, J.: Maximizing relevant retrieval : keyword and natural language searching (1998) 0.01
    0.014011665 = product of:
      0.02802333 = sum of:
        0.02802333 = product of:
          0.08406999 = sum of:
            0.08406999 = weight(_text_:22 in 6418) [ClassicSimilarity], result of:
              0.08406999 = score(doc=6418,freq=2.0), product of:
                0.15520757 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.044321854 = queryNorm
                0.5416616 = fieldWeight in 6418, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.109375 = fieldNorm(doc=6418)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Online. 22(1998) no.6, S.57-58
  10. Dalrymple, P.W.: Retrieval by reformulation in two library catalogs : toward a cognitive model of searching behavior (1990) 0.01
    0.014011665 = product of:
      0.02802333 = sum of:
        0.02802333 = product of:
          0.08406999 = sum of:
            0.08406999 = weight(_text_:22 in 5089) [ClassicSimilarity], result of:
              0.08406999 = score(doc=5089,freq=2.0), product of:
                0.15520757 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.044321854 = queryNorm
                0.5416616 = fieldWeight in 5089, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.109375 = fieldNorm(doc=5089)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Date
    22. 7.2006 18:43:54
  11. Munoz, A.M.; Munoz, F.A.: Nuevas areas de conocimiento y la problematica documental : la prospectiva de la paz en la Universidad de Granada (1997) 0.01
    0.013231017 = product of:
      0.026462033 = sum of:
        0.026462033 = product of:
          0.0793861 = sum of:
            0.0793861 = weight(_text_:y in 340) [ClassicSimilarity], result of:
              0.0793861 = score(doc=340,freq=2.0), product of:
                0.2132945 = queryWeight, product of:
                  4.8124003 = idf(docFreq=976, maxDocs=44218)
                  0.044321854 = queryNorm
                0.3721901 = fieldWeight in 340, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  4.8124003 = idf(docFreq=976, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=340)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  12. Smeaton, A.F.; Kelledy, L.; O'Donnell, R.: TREC-4 experiments at Dublin City University : thresholding posting lists, query expansion with WordNet and POS tagging of Spanish (1996) 0.01
    0.012893477 = product of:
      0.025786955 = sum of:
        0.025786955 = product of:
          0.07736086 = sum of:
            0.07736086 = weight(_text_:l in 7000) [ClassicSimilarity], result of:
              0.07736086 = score(doc=7000,freq=2.0), product of:
                0.17616397 = queryWeight, product of:
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.044321854 = queryNorm
                0.4391412 = fieldWeight in 7000, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.078125 = fieldNorm(doc=7000)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  13. Strzalkowski, T.; Guthrie, L.; Karlgren, J.; Leistensnider, J.; Lin, F.; Perez-Carballo, J.; Straszheim, T.; Wang, J.; Wilding, J.: Natural language information retrieval : TREC-5 report (1997) 0.01
    0.012893477 = product of:
      0.025786955 = sum of:
        0.025786955 = product of:
          0.07736086 = sum of:
            0.07736086 = weight(_text_:l in 3100) [ClassicSimilarity], result of:
              0.07736086 = score(doc=3100,freq=2.0), product of:
                0.17616397 = queryWeight, product of:
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.044321854 = queryNorm
                0.4391412 = fieldWeight in 3100, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.078125 = fieldNorm(doc=3100)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  14. Barry, C.I.; Schamber, L.: User-defined relevance criteria : a comparison of 2 studies (1995) 0.01
    0.010314781 = product of:
      0.020629562 = sum of:
        0.020629562 = product of:
          0.061888687 = sum of:
            0.061888687 = weight(_text_:l in 3850) [ClassicSimilarity], result of:
              0.061888687 = score(doc=3850,freq=2.0), product of:
                0.17616397 = queryWeight, product of:
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.044321854 = queryNorm
                0.35131297 = fieldWeight in 3850, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.0625 = fieldNorm(doc=3850)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  15. Ng, K.B.; Loewenstern, D.; Basu, C.; Hirsh, H.; Kantor, P.B.: Data fusion of machine-learning methods for the TREC5 routing tak (and other work) (1997) 0.01
    0.010008332 = product of:
      0.020016665 = sum of:
        0.020016665 = product of:
          0.060049992 = sum of:
            0.060049992 = weight(_text_:22 in 3107) [ClassicSimilarity], result of:
              0.060049992 = score(doc=3107,freq=2.0), product of:
                0.15520757 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.044321854 = queryNorm
                0.38690117 = fieldWeight in 3107, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.078125 = fieldNorm(doc=3107)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Date
    27. 2.1999 20:59:22
  16. Tseng, Y.-H.: Solving vocabulary problems with interactive query expansion (1998) 0.01
    0.009450726 = product of:
      0.018901452 = sum of:
        0.018901452 = product of:
          0.056704357 = sum of:
            0.056704357 = weight(_text_:y in 5159) [ClassicSimilarity], result of:
              0.056704357 = score(doc=5159,freq=2.0), product of:
                0.2132945 = queryWeight, product of:
                  4.8124003 = idf(docFreq=976, maxDocs=44218)
                  0.044321854 = queryNorm
                0.26585007 = fieldWeight in 5159, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  4.8124003 = idf(docFreq=976, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=5159)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  17. Qiu, L.: Markov models of search state patterns in a hypertext information retrieval system (1993) 0.01
    0.009025434 = product of:
      0.018050868 = sum of:
        0.018050868 = product of:
          0.054152604 = sum of:
            0.054152604 = weight(_text_:l in 5296) [ClassicSimilarity], result of:
              0.054152604 = score(doc=5296,freq=2.0), product of:
                0.17616397 = queryWeight, product of:
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.044321854 = queryNorm
                0.30739886 = fieldWeight in 5296, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=5296)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  18. Qiu, L.: Analytical searching vs. browsing in hypertext information retrieval systems (1993) 0.01
    0.009025434 = product of:
      0.018050868 = sum of:
        0.018050868 = product of:
          0.054152604 = sum of:
            0.054152604 = weight(_text_:l in 7416) [ClassicSimilarity], result of:
              0.054152604 = score(doc=7416,freq=2.0), product of:
                0.17616397 = queryWeight, product of:
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.044321854 = queryNorm
                0.30739886 = fieldWeight in 7416, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=7416)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  19. Schamber, L.; Bateman, J.: User criteria in relevance evaluation : toward development of a measurement scale (1996) 0.01
    0.009025434 = product of:
      0.018050868 = sum of:
        0.018050868 = product of:
          0.054152604 = sum of:
            0.054152604 = weight(_text_:l in 7351) [ClassicSimilarity], result of:
              0.054152604 = score(doc=7351,freq=2.0), product of:
                0.17616397 = queryWeight, product of:
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.044321854 = queryNorm
                0.30739886 = fieldWeight in 7351, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.9746525 = idf(docFreq=2257, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=7351)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
  20. Sanderson, M.: ¬The Reuters test collection (1996) 0.01
    0.008006666 = product of:
      0.016013332 = sum of:
        0.016013332 = product of:
          0.04803999 = sum of:
            0.04803999 = weight(_text_:22 in 6971) [ClassicSimilarity], result of:
              0.04803999 = score(doc=6971,freq=2.0), product of:
                0.15520757 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.044321854 = queryNorm
                0.30952093 = fieldWeight in 6971, 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=6971)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Source
    Information retrieval: new systems and current research. Proceedings of the 16th Research Colloquium of the British Computer Society Information Retrieval Specialist Group, Drymen, Scotland, 22-23 Mar 94. Ed.: R. Leon