Document (#28036)

Author
Braun, H.
Title
Suchverständige : Spezialsuchmaschinen, Webportale und Linksammlungen
Source
c't. 2004, H.26, S.166-170
Year
2004
Series
Report: Spezialsuchmaschinen
Abstract
So bemerkenswert die Trefferquoten von Internetsuchmaschinen wie Google auch sind - bei vielen Recherchen liefern Linksammlungen und themenspezifische Suchmaschinen bessere Ergebnisse. Wir stellen eine Auswahl vor.
Theme
Suchmaschinen

Similar documents (author)

  1. Braun, H.: Sacherschließung 1978 (1979) 5.33
    5.3271337 = sum of:
      5.3271337 = weight(author_txt:braun in 1600) [ClassicSimilarity], result of:
        5.3271337 = fieldWeight in 1600, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          8.523414 = idf(docFreq=23, maxDocs=44421)
          0.625 = fieldNorm(doc=1600)
    
  2. Braun, M.: Aufbau eines Fax-Netzes (1993) 5.33
    5.3271337 = sum of:
      5.3271337 = weight(author_txt:braun in 3028) [ClassicSimilarity], result of:
        5.3271337 = fieldWeight in 3028, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          8.523414 = idf(docFreq=23, maxDocs=44421)
          0.625 = fieldNorm(doc=3028)
    
  3. Braun, I.: Medienökologie - ein blinder Fleck der Sozialwissenschaften : auch Computernetze sind an der Zerstörung des Planeten beteiligt (1995) 5.33
    5.3271337 = sum of:
      5.3271337 = weight(author_txt:braun in 2175) [ClassicSimilarity], result of:
        5.3271337 = fieldWeight in 2175, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          8.523414 = idf(docFreq=23, maxDocs=44421)
          0.625 = fieldNorm(doc=2175)
    
  4. Braun, W.: Etymologisches Wörterbuch des Deutschen (1995) 5.33
    5.3271337 = sum of:
      5.3271337 = weight(author_txt:braun in 4424) [ClassicSimilarity], result of:
        5.3271337 = fieldWeight in 4424, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          8.523414 = idf(docFreq=23, maxDocs=44421)
          0.625 = fieldNorm(doc=4424)
    
  5. Braun, H.: Neuronale Netze : Optimierung durch Lernen und Evolution (1997) 5.33
    5.3271337 = sum of:
      5.3271337 = weight(author_txt:braun in 730) [ClassicSimilarity], result of:
        5.3271337 = fieldWeight in 730, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          8.523414 = idf(docFreq=23, maxDocs=44421)
          0.625 = fieldNorm(doc=730)
    

Similar documents (content)

  1. Lange, H.: Wissensdatenbanken im Netz : Internetrecherche für das Projekt EFIL (2000) 0.28
    0.2811111 = sum of:
      0.2811111 = product of:
        1.4055554 = sum of:
          0.05435457 = weight(abstract_txt:auch in 475) [ClassicSimilarity], result of:
            0.05435457 = score(doc=475,freq=2.0), product of:
              0.054781552 = queryWeight, product of:
                1.0724994 = boost
                3.7418423 = idf(docFreq=2862, maxDocs=44421)
                0.013650602 = queryNorm
              0.99220574 = fieldWeight in 475, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.7418423 = idf(docFreq=2862, maxDocs=44421)
                0.1875 = fieldNorm(doc=475)
          0.04414459 = weight(abstract_txt:sind in 475) [ClassicSimilarity], result of:
            0.04414459 = score(doc=475,freq=1.0), product of:
              0.0600812 = queryWeight, product of:
                1.1231796 = boost
                3.9186604 = idf(docFreq=2398, maxDocs=44421)
                0.013650602 = queryNorm
              0.73474884 = fieldWeight in 475, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.9186604 = idf(docFreq=2398, maxDocs=44421)
                0.1875 = fieldNorm(doc=475)
          1.3070562 = weight(abstract_txt:linksammlungen in 475) [ClassicSimilarity], result of:
            1.3070562 = score(doc=475,freq=1.0), product of:
              0.7244801 = queryWeight, product of:
                5.5157948 = boost
                9.622026 = idf(docFreq=7, maxDocs=44421)
                0.013650602 = queryNorm
              1.80413 = fieldWeight in 475, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.622026 = idf(docFreq=7, maxDocs=44421)
                0.1875 = fieldNorm(doc=475)
        0.2 = coord(3/15)
    
  2. Plieninger, J.: Bedürfnis nach Struktur : Linksammlungen als zielgruppenorientierte Dienstleistung der Bibliotheken (2003) 0.20
    0.20393549 = sum of:
      0.20393549 = product of:
        1.0196774 = sum of:
          0.026981158 = weight(abstract_txt:eine in 2999) [ClassicSimilarity], result of:
            0.026981158 = score(doc=2999,freq=3.0), product of:
              0.047625575 = queryWeight, product of:
                3.4888992 = idf(docFreq=3686, maxDocs=44421)
                0.013650602 = queryNorm
              0.56652665 = fieldWeight in 2999, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                3.4888992 = idf(docFreq=3686, maxDocs=44421)
                0.09375 = fieldNorm(doc=2999)
          0.06846787 = weight(abstract_txt:stellen in 2999) [ClassicSimilarity], result of:
            0.06846787 = score(doc=2999,freq=1.0), product of:
              0.12779038 = queryWeight, product of:
                1.6380569 = boost
                5.7150154 = idf(docFreq=397, maxDocs=44421)
                0.013650602 = queryNorm
              0.5357827 = fieldWeight in 2999, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.7150154 = idf(docFreq=397, maxDocs=44421)
                0.09375 = fieldNorm(doc=2999)
          0.9242283 = weight(abstract_txt:linksammlungen in 2999) [ClassicSimilarity], result of:
            0.9242283 = score(doc=2999,freq=2.0), product of:
              0.7244801 = queryWeight, product of:
                5.5157948 = boost
                9.622026 = idf(docFreq=7, maxDocs=44421)
                0.013650602 = queryNorm
              1.2757125 = fieldWeight in 2999, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                9.622026 = idf(docFreq=7, maxDocs=44421)
                0.09375 = fieldNorm(doc=2999)
        0.2 = coord(3/15)
    
  3. Lewandowski, D.: Web Information Retrieval : Technologien zur Informationssuche im Internet (2005) 0.19
    0.19370596 = sum of:
      0.19370596 = product of:
        0.32284325 = sum of:
          0.01642021 = weight(abstract_txt:eine in 622) [ClassicSimilarity], result of:
            0.01642021 = score(doc=622,freq=10.0), product of:
              0.047625575 = queryWeight, product of:
                3.4888992 = idf(docFreq=3686, maxDocs=44421)
                0.013650602 = queryNorm
              0.34477714 = fieldWeight in 622, product of:
                3.1622777 = tf(freq=10.0), with freq of:
                  10.0 = termFreq=10.0
                3.4888992 = idf(docFreq=3686, maxDocs=44421)
                0.03125 = fieldNorm(doc=622)
          0.022190161 = weight(abstract_txt:auch in 622) [ClassicSimilarity], result of:
            0.022190161 = score(doc=622,freq=12.0), product of:
              0.054781552 = queryWeight, product of:
                1.0724994 = boost
                3.7418423 = idf(docFreq=2862, maxDocs=44421)
                0.013650602 = queryNorm
              0.4050663 = fieldWeight in 622, product of:
                3.4641016 = tf(freq=12.0), with freq of:
                  12.0 = termFreq=12.0
                3.7418423 = idf(docFreq=2862, maxDocs=44421)
                0.03125 = fieldNorm(doc=622)
          0.018021954 = weight(abstract_txt:sind in 622) [ClassicSimilarity], result of:
            0.018021954 = score(doc=622,freq=6.0), product of:
              0.0600812 = queryWeight, product of:
                1.1231796 = boost
                3.9186604 = idf(docFreq=2398, maxDocs=44421)
                0.013650602 = queryNorm
              0.29995996 = fieldWeight in 622, product of:
                2.4494898 = tf(freq=6.0), with freq of:
                  6.0 = termFreq=6.0
                3.9186604 = idf(docFreq=2398, maxDocs=44421)
                0.03125 = fieldNorm(doc=622)
          0.032663796 = weight(abstract_txt:google in 622) [ClassicSimilarity], result of:
            0.032663796 = score(doc=622,freq=3.0), product of:
              0.112527445 = queryWeight, product of:
                1.5371248 = boost
                5.3628736 = idf(docFreq=565, maxDocs=44421)
                0.013650602 = queryNorm
              0.29027405 = fieldWeight in 622, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                5.3628736 = idf(docFreq=565, maxDocs=44421)
                0.03125 = fieldNorm(doc=622)
          0.028469421 = weight(abstract_txt:ergebnisse in 622) [ClassicSimilarity], result of:
            0.028469421 = score(doc=622,freq=2.0), product of:
              0.117534004 = queryWeight, product of:
                1.5709474 = boost
                5.4808774 = idf(docFreq=502, maxDocs=44421)
                0.013650602 = queryNorm
              0.24222285 = fieldWeight in 622, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.4808774 = idf(docFreq=502, maxDocs=44421)
                0.03125 = fieldNorm(doc=622)
          0.022822624 = weight(abstract_txt:stellen in 622) [ClassicSimilarity], result of:
            0.022822624 = score(doc=622,freq=1.0), product of:
              0.12779038 = queryWeight, product of:
                1.6380569 = boost
                5.7150154 = idf(docFreq=397, maxDocs=44421)
                0.013650602 = queryNorm
              0.17859423 = fieldWeight in 622, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.7150154 = idf(docFreq=397, maxDocs=44421)
                0.03125 = fieldNorm(doc=622)
          0.09979991 = weight(abstract_txt:suchmaschinen in 622) [ClassicSimilarity], result of:
            0.09979991 = score(doc=622,freq=16.0), product of:
              0.13561296 = queryWeight, product of:
                1.6874484 = boost
                5.887337 = idf(docFreq=334, maxDocs=44421)
                0.013650602 = queryNorm
              0.73591715 = fieldWeight in 622, product of:
                4.0 = tf(freq=16.0), with freq of:
                  16.0 = termFreq=16.0
                5.887337 = idf(docFreq=334, maxDocs=44421)
                0.03125 = fieldNorm(doc=622)
          0.03876248 = weight(abstract_txt:auswahl in 622) [ClassicSimilarity], result of:
            0.03876248 = score(doc=622,freq=1.0), product of:
              0.18191233 = queryWeight, product of:
                1.9543887 = boost
                6.8186655 = idf(docFreq=131, maxDocs=44421)
                0.013650602 = queryNorm
              0.2130833 = fieldWeight in 622, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.8186655 = idf(docFreq=131, maxDocs=44421)
                0.03125 = fieldNorm(doc=622)
          0.043692693 = weight(abstract_txt:liefern in 622) [ClassicSimilarity], result of:
            0.043692693 = score(doc=622,freq=1.0), product of:
              0.19702756 = queryWeight, product of:
                2.0339646 = boost
                7.0962973 = idf(docFreq=99, maxDocs=44421)
                0.013650602 = queryNorm
              0.22175929 = fieldWeight in 622, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.0962973 = idf(docFreq=99, maxDocs=44421)
                0.03125 = fieldNorm(doc=622)
        0.6 = coord(9/15)
    
  4. Blittkowsky, R.: ¬Das World Wide Web gleicht einer Fliege : Studien versuchen zu erklären, warum Suchmaschinen nicht immer fündig werden (2001) 0.19
    0.18627821 = sum of:
      0.18627821 = product of:
        0.31046367 = sum of:
          0.017221661 = weight(abstract_txt:eine in 2090) [ClassicSimilarity], result of:
            0.017221661 = score(doc=2090,freq=11.0), product of:
              0.047625575 = queryWeight, product of:
                3.4888992 = idf(docFreq=3686, maxDocs=44421)
                0.013650602 = queryNorm
              0.36160532 = fieldWeight in 2090, product of:
                3.3166249 = tf(freq=11.0), with freq of:
                  11.0 = termFreq=11.0
                3.4888992 = idf(docFreq=3686, maxDocs=44421)
                0.03125 = fieldNorm(doc=2090)
          0.012811496 = weight(abstract_txt:auch in 2090) [ClassicSimilarity], result of:
            0.012811496 = score(doc=2090,freq=4.0), product of:
              0.054781552 = queryWeight, product of:
                1.0724994 = boost
                3.7418423 = idf(docFreq=2862, maxDocs=44421)
                0.013650602 = queryNorm
              0.23386514 = fieldWeight in 2090, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                3.7418423 = idf(docFreq=2862, maxDocs=44421)
                0.03125 = fieldNorm(doc=2090)
          0.018021954 = weight(abstract_txt:sind in 2090) [ClassicSimilarity], result of:
            0.018021954 = score(doc=2090,freq=6.0), product of:
              0.0600812 = queryWeight, product of:
                1.1231796 = boost
                3.9186604 = idf(docFreq=2398, maxDocs=44421)
                0.013650602 = queryNorm
              0.29995996 = fieldWeight in 2090, product of:
                2.4494898 = tf(freq=6.0), with freq of:
                  6.0 = termFreq=6.0
                3.9186604 = idf(docFreq=2398, maxDocs=44421)
                0.03125 = fieldNorm(doc=2090)
          0.037716903 = weight(abstract_txt:google in 2090) [ClassicSimilarity], result of:
            0.037716903 = score(doc=2090,freq=4.0), product of:
              0.112527445 = queryWeight, product of:
                1.5371248 = boost
                5.3628736 = idf(docFreq=565, maxDocs=44421)
                0.013650602 = queryNorm
              0.3351796 = fieldWeight in 2090, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                5.3628736 = idf(docFreq=565, maxDocs=44421)
                0.03125 = fieldNorm(doc=2090)
          0.028469421 = weight(abstract_txt:ergebnisse in 2090) [ClassicSimilarity], result of:
            0.028469421 = score(doc=2090,freq=2.0), product of:
              0.117534004 = queryWeight, product of:
                1.5709474 = boost
                5.4808774 = idf(docFreq=502, maxDocs=44421)
                0.013650602 = queryNorm
              0.24222285 = fieldWeight in 2090, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.4808774 = idf(docFreq=502, maxDocs=44421)
                0.03125 = fieldNorm(doc=2090)
          0.049899954 = weight(abstract_txt:suchmaschinen in 2090) [ClassicSimilarity], result of:
            0.049899954 = score(doc=2090,freq=4.0), product of:
              0.13561296 = queryWeight, product of:
                1.6874484 = boost
                5.887337 = idf(docFreq=334, maxDocs=44421)
                0.013650602 = queryNorm
              0.36795858 = fieldWeight in 2090, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                5.887337 = idf(docFreq=334, maxDocs=44421)
                0.03125 = fieldNorm(doc=2090)
          0.043692693 = weight(abstract_txt:liefern in 2090) [ClassicSimilarity], result of:
            0.043692693 = score(doc=2090,freq=1.0), product of:
              0.19702756 = queryWeight, product of:
                2.0339646 = boost
                7.0962973 = idf(docFreq=99, maxDocs=44421)
                0.013650602 = queryNorm
              0.22175929 = fieldWeight in 2090, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.0962973 = idf(docFreq=99, maxDocs=44421)
                0.03125 = fieldNorm(doc=2090)
          0.046538226 = weight(abstract_txt:recherchen in 2090) [ClassicSimilarity], result of:
            0.046538226 = score(doc=2090,freq=1.0), product of:
              0.20549172 = queryWeight, product of:
                2.077194 = boost
                7.2471204 = idf(docFreq=85, maxDocs=44421)
                0.013650602 = queryNorm
              0.22647251 = fieldWeight in 2090, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.2471204 = idf(docFreq=85, maxDocs=44421)
                0.03125 = fieldNorm(doc=2090)
          0.056091383 = weight(abstract_txt:bessere in 2090) [ClassicSimilarity], result of:
            0.056091383 = score(doc=2090,freq=1.0), product of:
              0.23272973 = queryWeight, product of:
                2.210578 = boost
                7.7124834 = idf(docFreq=53, maxDocs=44421)
                0.013650602 = queryNorm
              0.2410151 = fieldWeight in 2090, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.7124834 = idf(docFreq=53, maxDocs=44421)
                0.03125 = fieldNorm(doc=2090)
        0.6 = coord(9/15)
    
  5. Röhle, T.: Machtkonzepte in der Suchmaschinenforschung (2007) 0.18
    0.17617036 = sum of:
      0.17617036 = product of:
        0.37750793 = sum of:
          0.014686681 = weight(abstract_txt:eine in 1388) [ClassicSimilarity], result of:
            0.014686681 = score(doc=1388,freq=2.0), product of:
              0.047625575 = queryWeight, product of:
                3.4888992 = idf(docFreq=3686, maxDocs=44421)
                0.013650602 = queryNorm
              0.30837804 = fieldWeight in 1388, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.4888992 = idf(docFreq=3686, maxDocs=44421)
                0.0625 = fieldNorm(doc=1388)
          0.012811496 = weight(abstract_txt:auch in 1388) [ClassicSimilarity], result of:
            0.012811496 = score(doc=1388,freq=1.0), product of:
              0.054781552 = queryWeight, product of:
                1.0724994 = boost
                3.7418423 = idf(docFreq=2862, maxDocs=44421)
                0.013650602 = queryNorm
              0.23386514 = fieldWeight in 1388, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.7418423 = idf(docFreq=2862, maxDocs=44421)
                0.0625 = fieldNorm(doc=1388)
          0.014714863 = weight(abstract_txt:sind in 1388) [ClassicSimilarity], result of:
            0.014714863 = score(doc=1388,freq=1.0), product of:
              0.0600812 = queryWeight, product of:
                1.1231796 = boost
                3.9186604 = idf(docFreq=2398, maxDocs=44421)
                0.013650602 = queryNorm
              0.24491628 = fieldWeight in 1388, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.9186604 = idf(docFreq=2398, maxDocs=44421)
                0.0625 = fieldNorm(doc=1388)
          0.11157969 = weight(abstract_txt:suchmaschinen in 1388) [ClassicSimilarity], result of:
            0.11157969 = score(doc=1388,freq=5.0), product of:
              0.13561296 = queryWeight, product of:
                1.6874484 = boost
                5.887337 = idf(docFreq=334, maxDocs=44421)
                0.013650602 = queryNorm
              0.8227804 = fieldWeight in 1388, product of:
                2.236068 = tf(freq=5.0), with freq of:
                  5.0 = termFreq=5.0
                5.887337 = idf(docFreq=334, maxDocs=44421)
                0.0625 = fieldNorm(doc=1388)
          0.053113755 = weight(abstract_txt:vielen in 1388) [ClassicSimilarity], result of:
            0.053113755 = score(doc=1388,freq=1.0), product of:
              0.14137495 = queryWeight, product of:
                1.7229239 = boost
                6.011108 = idf(docFreq=295, maxDocs=44421)
                0.013650602 = queryNorm
              0.37569425 = fieldWeight in 1388, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.011108 = idf(docFreq=295, maxDocs=44421)
                0.0625 = fieldNorm(doc=1388)
          0.07752496 = weight(abstract_txt:auswahl in 1388) [ClassicSimilarity], result of:
            0.07752496 = score(doc=1388,freq=1.0), product of:
              0.18191233 = queryWeight, product of:
                1.9543887 = boost
                6.8186655 = idf(docFreq=131, maxDocs=44421)
                0.013650602 = queryNorm
              0.4261666 = fieldWeight in 1388, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.8186655 = idf(docFreq=131, maxDocs=44421)
                0.0625 = fieldNorm(doc=1388)
          0.09307645 = weight(abstract_txt:recherchen in 1388) [ClassicSimilarity], result of:
            0.09307645 = score(doc=1388,freq=1.0), product of:
              0.20549172 = queryWeight, product of:
                2.077194 = boost
                7.2471204 = idf(docFreq=85, maxDocs=44421)
                0.013650602 = queryNorm
              0.45294502 = fieldWeight in 1388, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.2471204 = idf(docFreq=85, maxDocs=44421)
                0.0625 = fieldNorm(doc=1388)
        0.46666667 = coord(7/15)