Search (8 results, page 1 of 1)

  • × theme_ss:"Semantisches Umfeld in Indexierung u. Retrieval"
  • × type_ss:"r"
  1. Walker, S.; DeVere, R.: Improving subject retrieval in online catalogues : T.2: Relevance feedback and query expansion (1990) 0.02
    0.01843509 = product of:
      0.03687018 = sum of:
        0.03687018 = product of:
          0.07374036 = sum of:
            0.07374036 = weight(_text_:r in 1816) [ClassicSimilarity], result of:
              0.07374036 = score(doc=1816,freq=4.0), product of:
                0.14256842 = queryWeight, product of:
                  3.3102584 = idf(docFreq=4387, maxDocs=44218)
                  0.04306867 = queryNorm
                0.5172279 = fieldWeight in 1816, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  3.3102584 = idf(docFreq=4387, maxDocs=44218)
                  0.078125 = fieldNorm(doc=1816)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Type
    r
  2. Efthimiadis, E.N.: Approaches to search formulation and query expansion in information systems : DRS, DBMS, ES (1992) 0.01
    0.013035577 = product of:
      0.026071154 = sum of:
        0.026071154 = product of:
          0.052142307 = sum of:
            0.052142307 = weight(_text_:r in 3871) [ClassicSimilarity], result of:
              0.052142307 = score(doc=3871,freq=2.0), product of:
                0.14256842 = queryWeight, product of:
                  3.3102584 = idf(docFreq=4387, maxDocs=44218)
                  0.04306867 = queryNorm
                0.36573532 = fieldWeight in 3871, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.3102584 = idf(docFreq=4387, maxDocs=44218)
                  0.078125 = fieldNorm(doc=3871)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Type
    r
  3. Michel, D.: Taxonomy of Subject Relationships (1997) 0.01
    0.013035577 = product of:
      0.026071154 = sum of:
        0.026071154 = product of:
          0.052142307 = sum of:
            0.052142307 = weight(_text_:r in 5346) [ClassicSimilarity], result of:
              0.052142307 = score(doc=5346,freq=2.0), product of:
                0.14256842 = queryWeight, product of:
                  3.3102584 = idf(docFreq=4387, maxDocs=44218)
                  0.04306867 = queryNorm
                0.36573532 = fieldWeight in 5346, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.3102584 = idf(docFreq=4387, maxDocs=44218)
                  0.078125 = fieldNorm(doc=5346)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Type
    r
  4. Hancock-Beaulieu, M.; Fieldhouse, M.; Do, T.: ¬A graphical interface for OKAPI : the design and evaluation of an online catalogue system with direct manipulation interaction for subject access (1994) 0.01
    0.009124904 = product of:
      0.018249808 = sum of:
        0.018249808 = product of:
          0.036499616 = sum of:
            0.036499616 = weight(_text_:r in 1318) [ClassicSimilarity], result of:
              0.036499616 = score(doc=1318,freq=2.0), product of:
                0.14256842 = queryWeight, product of:
                  3.3102584 = idf(docFreq=4387, maxDocs=44218)
                  0.04306867 = queryNorm
                0.25601473 = fieldWeight in 1318, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.3102584 = idf(docFreq=4387, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=1318)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Type
    r
  5. Beaulieu, M.; Payne, A.; Do, T.; Jones, S.: ENQUIRE Okapi project (1996) 0.01
    0.007821347 = product of:
      0.015642693 = sum of:
        0.015642693 = product of:
          0.031285387 = sum of:
            0.031285387 = weight(_text_:r in 3369) [ClassicSimilarity], result of:
              0.031285387 = score(doc=3369,freq=2.0), product of:
                0.14256842 = queryWeight, product of:
                  3.3102584 = idf(docFreq=4387, maxDocs=44218)
                  0.04306867 = queryNorm
                0.2194412 = fieldWeight in 3369, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.3102584 = idf(docFreq=4387, maxDocs=44218)
                  0.046875 = fieldNorm(doc=3369)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Type
    r
  6. Rudolph, S.; Hemmje, M.: Visualisierung von Thesauri zur interaktiven Unterstüzung von visuellen Anfragen an Textdatenbanken (1994) 0.01
    0.0065177884 = product of:
      0.013035577 = sum of:
        0.013035577 = product of:
          0.026071154 = sum of:
            0.026071154 = weight(_text_:r in 2382) [ClassicSimilarity], result of:
              0.026071154 = score(doc=2382,freq=2.0), product of:
                0.14256842 = queryWeight, product of:
                  3.3102584 = idf(docFreq=4387, maxDocs=44218)
                  0.04306867 = queryNorm
                0.18286766 = fieldWeight in 2382, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.3102584 = idf(docFreq=4387, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=2382)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Type
    r
  7. Horch, A.; Kett, H.; Weisbecker, A.: Semantische Suchsysteme für das Internet : Architekturen und Komponenten semantischer Suchmaschinen (2013) 0.01
    0.0065177884 = product of:
      0.013035577 = sum of:
        0.013035577 = product of:
          0.026071154 = sum of:
            0.026071154 = weight(_text_:r in 4063) [ClassicSimilarity], result of:
              0.026071154 = score(doc=4063,freq=2.0), product of:
                0.14256842 = queryWeight, product of:
                  3.3102584 = idf(docFreq=4387, maxDocs=44218)
                  0.04306867 = queryNorm
                0.18286766 = fieldWeight in 4063, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.3102584 = idf(docFreq=4387, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=4063)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Type
    r
  8. ALA / Subcommittee on Subject Relationships/Reference Structures: Final Report to the ALCTS/CCS Subject Analysis Committee (1997) 0.00
    0.004562452 = product of:
      0.009124904 = sum of:
        0.009124904 = product of:
          0.018249808 = sum of:
            0.018249808 = weight(_text_:r in 1800) [ClassicSimilarity], result of:
              0.018249808 = score(doc=1800,freq=2.0), product of:
                0.14256842 = queryWeight, product of:
                  3.3102584 = idf(docFreq=4387, maxDocs=44218)
                  0.04306867 = queryNorm
                0.12800737 = fieldWeight in 1800, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.3102584 = idf(docFreq=4387, maxDocs=44218)
                  0.02734375 = fieldNorm(doc=1800)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Type
    r