Search (11 results, page 1 of 1)

  • × theme_ss:"Volltextretrieval"
  • × year_i:[1980 TO 1990}
  1. Huschens, C.: Freitextindexierung in der Parlamentsdokumentation (1986) 0.01
    0.0062918086 = product of:
      0.05033447 = sum of:
        0.016690461 = weight(_text_:und in 503) [ClassicSimilarity], result of:
          0.016690461 = score(doc=503,freq=2.0), product of:
            0.04868482 = queryWeight, product of:
              2.216367 = idf(docFreq=13101, maxDocs=44218)
              0.021966046 = queryNorm
            0.34282678 = fieldWeight in 503, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.216367 = idf(docFreq=13101, maxDocs=44218)
              0.109375 = fieldNorm(doc=503)
        0.016953548 = weight(_text_:der in 503) [ClassicSimilarity], result of:
          0.016953548 = score(doc=503,freq=2.0), product of:
            0.049067024 = queryWeight, product of:
              2.2337668 = idf(docFreq=12875, maxDocs=44218)
              0.021966046 = queryNorm
            0.34551817 = fieldWeight in 503, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.2337668 = idf(docFreq=12875, maxDocs=44218)
              0.109375 = fieldNorm(doc=503)
        0.016690461 = weight(_text_:und in 503) [ClassicSimilarity], result of:
          0.016690461 = score(doc=503,freq=2.0), product of:
            0.04868482 = queryWeight, product of:
              2.216367 = idf(docFreq=13101, maxDocs=44218)
              0.021966046 = queryNorm
            0.34282678 = fieldWeight in 503, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.216367 = idf(docFreq=13101, maxDocs=44218)
              0.109375 = fieldNorm(doc=503)
      0.125 = coord(3/24)
    
    Source
    Deutscher Dokumentartag 1986, Freiburg, 8.-10.10.1986: Bedarfsorientierte Fachinformation: Methoden und Techniken am Arbeitsplatz. Bearb.: H. Strohl-Goebel
  2. Schwarz, C.: Freitextrecherche: Grenzen und Möglichkeiten (1982) 0.00
    0.0031791355 = product of:
      0.038149625 = sum of:
        0.019074813 = weight(_text_:und in 1349) [ClassicSimilarity], result of:
          0.019074813 = score(doc=1349,freq=2.0), product of:
            0.04868482 = queryWeight, product of:
              2.216367 = idf(docFreq=13101, maxDocs=44218)
              0.021966046 = queryNorm
            0.39180204 = fieldWeight in 1349, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.216367 = idf(docFreq=13101, maxDocs=44218)
              0.125 = fieldNorm(doc=1349)
        0.019074813 = weight(_text_:und in 1349) [ClassicSimilarity], result of:
          0.019074813 = score(doc=1349,freq=2.0), product of:
            0.04868482 = queryWeight, product of:
              2.216367 = idf(docFreq=13101, maxDocs=44218)
              0.021966046 = queryNorm
            0.39180204 = fieldWeight in 1349, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.216367 = idf(docFreq=13101, maxDocs=44218)
              0.125 = fieldNorm(doc=1349)
      0.083333336 = coord(2/24)
    
  3. Maag, D.: Leistungsmerkmale von Volltextretrievalsystemen : Anforderungen an die künftige Weiterentwicklung (1989) 0.00
    0.0031791355 = product of:
      0.038149625 = sum of:
        0.019074813 = weight(_text_:und in 2747) [ClassicSimilarity], result of:
          0.019074813 = score(doc=2747,freq=2.0), product of:
            0.04868482 = queryWeight, product of:
              2.216367 = idf(docFreq=13101, maxDocs=44218)
              0.021966046 = queryNorm
            0.39180204 = fieldWeight in 2747, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.216367 = idf(docFreq=13101, maxDocs=44218)
              0.125 = fieldNorm(doc=2747)
        0.019074813 = weight(_text_:und in 2747) [ClassicSimilarity], result of:
          0.019074813 = score(doc=2747,freq=2.0), product of:
            0.04868482 = queryWeight, product of:
              2.216367 = idf(docFreq=13101, maxDocs=44218)
              0.021966046 = queryNorm
            0.39180204 = fieldWeight in 2747, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.216367 = idf(docFreq=13101, maxDocs=44218)
              0.125 = fieldNorm(doc=2747)
      0.083333336 = coord(2/24)
    
    Imprint
    Darmstadt : Fachhochschule, Fachbereich Information und Dokumentation
  4. Wenzel, F.: Semantische Eingrenzung im Freitext-Retrieval auf der Basis morphologischer Segmentierungen (1980) 0.00
    0.002260436 = product of:
      0.027125232 = sum of:
        0.012109677 = weight(_text_:der in 2037) [ClassicSimilarity], result of:
          0.012109677 = score(doc=2037,freq=2.0), product of:
            0.049067024 = queryWeight, product of:
              2.2337668 = idf(docFreq=12875, maxDocs=44218)
              0.021966046 = queryNorm
            0.2467987 = fieldWeight in 2037, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.2337668 = idf(docFreq=12875, maxDocs=44218)
              0.078125 = fieldNorm(doc=2037)
        0.015015555 = product of:
          0.03003111 = sum of:
            0.03003111 = weight(_text_:29 in 2037) [ClassicSimilarity], result of:
              0.03003111 = score(doc=2037,freq=2.0), product of:
                0.07726968 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.021966046 = queryNorm
                0.38865322 = fieldWeight in 2037, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.078125 = fieldNorm(doc=2037)
          0.5 = coord(1/2)
      0.083333336 = coord(2/24)
    
    Source
    Nachrichten für Dokumentation. 31(1980) H.1, S.29-35
  5. Tenopir, C.: Searching by controlled vocabulary or free text (1987) 0.00
    0.001001037 = product of:
      0.024024887 = sum of:
        0.024024887 = product of:
          0.048049774 = sum of:
            0.048049774 = weight(_text_:29 in 1350) [ClassicSimilarity], result of:
              0.048049774 = score(doc=1350,freq=2.0), product of:
                0.07726968 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.021966046 = queryNorm
                0.6218451 = fieldWeight in 1350, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.125 = fieldNorm(doc=1350)
          0.5 = coord(1/2)
      0.041666668 = coord(1/24)
    
    Source
    Library journal. 112(1987) Nov.15, S.58-29
  6. Umstätter, W.: Freitext oder kontrolliertes Vokabular : was ist besser? (1983) 0.00
    7.0639787E-4 = product of:
      0.016953548 = sum of:
        0.016953548 = weight(_text_:der in 2035) [ClassicSimilarity], result of:
          0.016953548 = score(doc=2035,freq=2.0), product of:
            0.049067024 = queryWeight, product of:
              2.2337668 = idf(docFreq=12875, maxDocs=44218)
              0.021966046 = queryNorm
            0.34551817 = fieldWeight in 2035, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              2.2337668 = idf(docFreq=12875, maxDocs=44218)
              0.109375 = fieldNorm(doc=2035)
      0.041666668 = coord(1/24)
    
    Source
    5. Frühjahrstagung der DGD in Neu-Isenburg vom 26.-28. April 1983: Vorträge
  7. Blair, D.C.; Maron, M.E.: ¬An evaluation of retrieval effectiveness for a full-text document-retrieval system (1985) 0.00
    6.256481E-4 = product of:
      0.015015555 = sum of:
        0.015015555 = product of:
          0.03003111 = sum of:
            0.03003111 = weight(_text_:29 in 1345) [ClassicSimilarity], result of:
              0.03003111 = score(doc=1345,freq=2.0), product of:
                0.07726968 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.021966046 = queryNorm
                0.38865322 = fieldWeight in 1345, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.078125 = fieldNorm(doc=1345)
          0.5 = coord(1/2)
      0.041666668 = coord(1/24)
    
    Footnote
    Vgl. auch : Salton, G.: Another look ... Comm. ACM 29(1986) S.S.648-656; Blair, D.C.: Full text retrieval ... Int. Class. 13(1986) S.18-23: Blair, D.C., M.E. Maron: Full-text information retrieval ... Inf. proc. man. 26(1990) S.437-447.
  8. Salton, G.: Another look at automatic text-retrieval systems (1986) 0.00
    6.256481E-4 = product of:
      0.015015555 = sum of:
        0.015015555 = product of:
          0.03003111 = sum of:
            0.03003111 = weight(_text_:29 in 1356) [ClassicSimilarity], result of:
              0.03003111 = score(doc=1356,freq=2.0), product of:
                0.07726968 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.021966046 = queryNorm
                0.38865322 = fieldWeight in 1356, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.078125 = fieldNorm(doc=1356)
          0.5 = coord(1/2)
      0.041666668 = coord(1/24)
    
    Source
    Communications of the Association for Computing Machinery. 29(1986), S.648-656
  9. Markey, K.; Atherton, P.; Newton, C.: ¬An analysis of controlled vocabulary and free text search statements in online searches (1980) 0.00
    6.1006215E-4 = product of:
      0.014641492 = sum of:
        0.014641492 = product of:
          0.043924473 = sum of:
            0.043924473 = weight(_text_:p in 1401) [ClassicSimilarity], result of:
              0.043924473 = score(doc=1401,freq=2.0), product of:
                0.078979194 = queryWeight, product of:
                  3.5955126 = idf(docFreq=3298, maxDocs=44218)
                  0.021966046 = queryNorm
                0.55615246 = fieldWeight in 1401, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5955126 = idf(docFreq=3298, maxDocs=44218)
                  0.109375 = fieldNorm(doc=1401)
          0.33333334 = coord(1/3)
      0.041666668 = coord(1/24)
    
  10. Blair, D.C.: Full text retrieval : Evaluation and implications (1986) 0.00
    3.7538886E-4 = product of:
      0.009009332 = sum of:
        0.009009332 = product of:
          0.018018665 = sum of:
            0.018018665 = weight(_text_:29 in 2047) [ClassicSimilarity], result of:
              0.018018665 = score(doc=2047,freq=2.0), product of:
                0.07726968 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.021966046 = queryNorm
                0.23319192 = fieldWeight in 2047, 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=2047)
          0.5 = coord(1/2)
      0.041666668 = coord(1/24)
    
    Footnote
    Vgl.: Blair, D.C., M.E. Maron: An evaluation ... Comm. ACM 28(1985) S.280-299; Salton, G.: Another look ... Comm. ACM 29(1986) S.648-656; Blair, D.C., M.E. Maron: Full-text information retrieval ... Inf. Proc. Man. 26(1990) S.437-447.
  11. Sievert, M.E.; McKinin, E.J.: Why full-text misses some relevant documents : an analysis of documents not retrieved by CCML or MEDIS (1989) 0.00
    3.72012E-4 = product of:
      0.008928288 = sum of:
        0.008928288 = product of:
          0.017856576 = sum of:
            0.017856576 = weight(_text_:22 in 3564) [ClassicSimilarity], result of:
              0.017856576 = score(doc=3564,freq=2.0), product of:
                0.07692135 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.021966046 = 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)
      0.041666668 = coord(1/24)
    
    Date
    9. 1.1996 10:22:31