Search (37 results, page 1 of 2)

  • × author_ss:"Lewandowski, D."
  1. Lewandowski, D.; Spree, U.: ¬Die Forschungsgruppe Search Studies an der HAW Hamburg (2019) 0.03
    0.030385906 = product of:
      0.075964764 = sum of:
        0.058986064 = weight(_text_:u in 5021) [ClassicSimilarity], result of:
          0.058986064 = score(doc=5021,freq=2.0), product of:
            0.13587062 = queryWeight, product of:
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.041494254 = queryNorm
            0.43413407 = fieldWeight in 5021, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.09375 = fieldNorm(doc=5021)
        0.0169787 = product of:
          0.0339574 = sum of:
            0.0339574 = weight(_text_:h in 5021) [ClassicSimilarity], result of:
              0.0339574 = score(doc=5021,freq=2.0), product of:
                0.10309036 = queryWeight, product of:
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.041494254 = queryNorm
                0.32939452 = fieldWeight in 5021, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.09375 = fieldNorm(doc=5021)
          0.5 = coord(1/2)
      0.4 = coord(2/5)
    
    Source
    Information - Wissenschaft und Praxis. 70(2019) H.1, S.1-2
  2. Lewandowski, D.; Spree, U.: Ranking of Wikipedia articles in search engines revisited : fair ranking for reasonable quality? (2011) 0.02
    0.015452909 = product of:
      0.038632274 = sum of:
        0.024577528 = weight(_text_:u in 444) [ClassicSimilarity], result of:
          0.024577528 = score(doc=444,freq=2.0), product of:
            0.13587062 = queryWeight, product of:
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.041494254 = queryNorm
            0.1808892 = fieldWeight in 444, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.0390625 = fieldNorm(doc=444)
        0.014054747 = product of:
          0.028109495 = sum of:
            0.028109495 = weight(_text_:22 in 444) [ClassicSimilarity], result of:
              0.028109495 = score(doc=444,freq=2.0), product of:
                0.14530581 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.041494254 = queryNorm
                0.19345059 = fieldWeight in 444, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=444)
          0.5 = coord(1/2)
      0.4 = coord(2/5)
    
    Date
    30. 9.2012 19:27:22
  3. Lewandowski, D.: Alles nur noch Google? : Entwicklungen im Bereich der WWW-Suchmaschinen (2002) 0.01
    0.013522692 = product of:
      0.03380673 = sum of:
        0.011319133 = product of:
          0.022638267 = sum of:
            0.022638267 = weight(_text_:h in 997) [ClassicSimilarity], result of:
              0.022638267 = score(doc=997,freq=2.0), product of:
                0.10309036 = queryWeight, product of:
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.041494254 = queryNorm
                0.21959636 = fieldWeight in 997, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.0625 = fieldNorm(doc=997)
          0.5 = coord(1/2)
        0.022487596 = product of:
          0.04497519 = sum of:
            0.04497519 = weight(_text_:22 in 997) [ClassicSimilarity], result of:
              0.04497519 = score(doc=997,freq=2.0), product of:
                0.14530581 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.041494254 = queryNorm
                0.30952093 = fieldWeight in 997, 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=997)
          0.5 = coord(1/2)
      0.4 = coord(2/5)
    
    Date
    29. 9.2002 18:49:22
    Source
    BuB. 54(2002) H.9, S.558-561
  4. Lewandowski, D.: Abfragesprachen und erweiterte Funktionen von WWW-Suchmaschinen (2004) 0.01
    0.013522692 = product of:
      0.03380673 = sum of:
        0.011319133 = product of:
          0.022638267 = sum of:
            0.022638267 = weight(_text_:h in 2314) [ClassicSimilarity], result of:
              0.022638267 = score(doc=2314,freq=2.0), product of:
                0.10309036 = queryWeight, product of:
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.041494254 = queryNorm
                0.21959636 = fieldWeight in 2314, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.0625 = fieldNorm(doc=2314)
          0.5 = coord(1/2)
        0.022487596 = product of:
          0.04497519 = sum of:
            0.04497519 = weight(_text_:22 in 2314) [ClassicSimilarity], result of:
              0.04497519 = score(doc=2314,freq=2.0), product of:
                0.14530581 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.041494254 = queryNorm
                0.30952093 = fieldWeight in 2314, 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=2314)
          0.5 = coord(1/2)
      0.4 = coord(2/5)
    
    Date
    28.11.2004 13:11:22
    Source
    Information - Wissenschaft und Praxis. 55(2004) H.2, S.97-102
  5. Lewandowski, D.: ¬Die Macht der Suchmaschinen und ihr Einfluss auf unsere Entscheidungen (2014) 0.01
    0.010142018 = product of:
      0.025355045 = sum of:
        0.00848935 = product of:
          0.0169787 = sum of:
            0.0169787 = weight(_text_:h in 1491) [ClassicSimilarity], result of:
              0.0169787 = score(doc=1491,freq=2.0), product of:
                0.10309036 = queryWeight, product of:
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.041494254 = queryNorm
                0.16469726 = fieldWeight in 1491, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.046875 = fieldNorm(doc=1491)
          0.5 = coord(1/2)
        0.016865695 = product of:
          0.03373139 = sum of:
            0.03373139 = weight(_text_:22 in 1491) [ClassicSimilarity], result of:
              0.03373139 = score(doc=1491,freq=2.0), product of:
                0.14530581 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.041494254 = queryNorm
                0.23214069 = fieldWeight in 1491, 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=1491)
          0.5 = coord(1/2)
      0.4 = coord(2/5)
    
    Date
    22. 9.2014 18:54:11
    Source
    Information - Wissenschaft und Praxis. 65(2014) H.4/5, S.231-238
  6. Lewandowski, D.: Suchmaschinen (2013) 0.01
    0.009831011 = product of:
      0.049155056 = sum of:
        0.049155056 = weight(_text_:u in 731) [ClassicSimilarity], result of:
          0.049155056 = score(doc=731,freq=2.0), product of:
            0.13587062 = queryWeight, product of:
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.041494254 = queryNorm
            0.3617784 = fieldWeight in 731, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.078125 = fieldNorm(doc=731)
      0.2 = coord(1/5)
    
    Source
    Grundlagen der praktischen Information und Dokumentation. Handbuch zur Einführung in die Informationswissenschaft und -praxis. 6., völlig neu gefaßte Ausgabe. Hrsg. von R. Kuhlen, W. Semar u. D. Strauch. Begründet von Klaus Laisiepen, Ernst Lutterbeck, Karl-Heinrich Meyer-Uhlenried
  7. Lewandowski, D.; Haustein, S.: What does the German-language information science community cite? (2015) 0.01
    0.009831011 = product of:
      0.049155056 = sum of:
        0.049155056 = weight(_text_:u in 2987) [ClassicSimilarity], result of:
          0.049155056 = score(doc=2987,freq=2.0), product of:
            0.13587062 = queryWeight, product of:
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.041494254 = queryNorm
            0.3617784 = fieldWeight in 2987, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.078125 = fieldNorm(doc=2987)
      0.2 = coord(1/5)
    
    Source
    Re:inventing information science in the networked society: Proceedings of the 14th International Symposium on Information Science, Zadar/Croatia, 19th-21st May 2015. Eds.: F. Pehar, C. Schloegl u. C. Wolff
  8. Lewandowski, D.: Mit welchen Kennzahlen lässt sich die Qualität von Suchmaschinen messen? (2007) 0.01
    0.0058986065 = product of:
      0.029493032 = sum of:
        0.029493032 = weight(_text_:u in 378) [ClassicSimilarity], result of:
          0.029493032 = score(doc=378,freq=2.0), product of:
            0.13587062 = queryWeight, product of:
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.041494254 = queryNorm
            0.21706703 = fieldWeight in 378, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.046875 = fieldNorm(doc=378)
      0.2 = coord(1/5)
    
    Source
    Macht der Suchmaschinen: The Power of Search Engines. Hrsg.: Machill, M. u. M. Beiler
  9. Lewandowski, D.; Sünkler, S.; Kerkmann, F.: Are ads on Google search engine results pages labeled clearly enough? : the influence of knowledge on search ads on users' selection behaviour (2017) 0.00
    0.0049155056 = product of:
      0.024577528 = sum of:
        0.024577528 = weight(_text_:u in 3567) [ClassicSimilarity], result of:
          0.024577528 = score(doc=3567,freq=2.0), product of:
            0.13587062 = queryWeight, product of:
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.041494254 = queryNorm
            0.1808892 = fieldWeight in 3567, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.2744443 = idf(docFreq=4547, maxDocs=44218)
              0.0390625 = fieldNorm(doc=3567)
      0.2 = coord(1/5)
    
    Source
    Everything changes, everything stays the same? - Understanding information spaces : Proceedings of the 15th International Symposium of Information Science (ISI 2017), Berlin/Germany, 13th - 15th March 2017. Eds.: M. Gäde, V. Trkulja u. V. Petras
  10. Lewandowski, D.: Query understanding (2011) 0.00
    0.004497519 = product of:
      0.022487596 = sum of:
        0.022487596 = product of:
          0.04497519 = sum of:
            0.04497519 = weight(_text_:22 in 344) [ClassicSimilarity], result of:
              0.04497519 = score(doc=344,freq=2.0), product of:
                0.14530581 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.041494254 = queryNorm
                0.30952093 = fieldWeight in 344, 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=344)
          0.5 = coord(1/2)
      0.2 = coord(1/5)
    
    Date
    18. 9.2018 18:22:18
  11. Lewandowski, D.: Desktop-Suche, Shortcuts, SMS (2004) 0.00
    0.0028297836 = product of:
      0.014148918 = sum of:
        0.014148918 = product of:
          0.028297836 = sum of:
            0.028297836 = weight(_text_:h in 3287) [ClassicSimilarity], result of:
              0.028297836 = score(doc=3287,freq=2.0), product of:
                0.10309036 = queryWeight, product of:
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.041494254 = queryNorm
                0.27449545 = fieldWeight in 3287, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.078125 = fieldNorm(doc=3287)
          0.5 = coord(1/2)
      0.2 = coord(1/5)
    
    Source
    Password. 2004, H.11, S.40-41
  12. Lewandowski, D.: Neue Themen der Informationswissenschaft sind nicht zu erkennen (2004) 0.00
    0.0028297836 = product of:
      0.014148918 = sum of:
        0.014148918 = product of:
          0.028297836 = sum of:
            0.028297836 = weight(_text_:h in 3292) [ClassicSimilarity], result of:
              0.028297836 = score(doc=3292,freq=2.0), product of:
                0.10309036 = queryWeight, product of:
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.041494254 = queryNorm
                0.27449545 = fieldWeight in 3292, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.078125 = fieldNorm(doc=3292)
          0.5 = coord(1/2)
      0.2 = coord(1/5)
    
    Source
    Password. 2004, H.12, S.8-10
  13. Lewandowski, D.: Spezialsuche für wissenschaftliche Informationen (2004) 0.00
    0.0028297836 = product of:
      0.014148918 = sum of:
        0.014148918 = product of:
          0.028297836 = sum of:
            0.028297836 = weight(_text_:h in 3298) [ClassicSimilarity], result of:
              0.028297836 = score(doc=3298,freq=2.0), product of:
                0.10309036 = queryWeight, product of:
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.041494254 = queryNorm
                0.27449545 = fieldWeight in 3298, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.078125 = fieldNorm(doc=3298)
          0.5 = coord(1/2)
      0.2 = coord(1/5)
    
    Source
    Password. 2004, H.12, S.24
  14. Lewandowski, D.: Start der eigenen Suchmaschine als Beta-Version (2004) 0.00
    0.0028297836 = product of:
      0.014148918 = sum of:
        0.014148918 = product of:
          0.028297836 = sum of:
            0.028297836 = weight(_text_:h in 3299) [ClassicSimilarity], result of:
              0.028297836 = score(doc=3299,freq=2.0), product of:
                0.10309036 = queryWeight, product of:
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.041494254 = queryNorm
                0.27449545 = fieldWeight in 3299, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.078125 = fieldNorm(doc=3299)
          0.5 = coord(1/2)
      0.2 = coord(1/5)
    
    Source
    Password. 2004, H.12, S.25
  15. Lewandowski, D.: Freiwillige Selbstkontrolle, Stärkung "alternativer Suchmaschinen" : Suchmaschinen und Politik (2005) 0.00
    0.0028297836 = product of:
      0.014148918 = sum of:
        0.014148918 = product of:
          0.028297836 = sum of:
            0.028297836 = weight(_text_:h in 3374) [ClassicSimilarity], result of:
              0.028297836 = score(doc=3374,freq=2.0), product of:
                0.10309036 = queryWeight, product of:
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.041494254 = queryNorm
                0.27449545 = fieldWeight in 3374, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.078125 = fieldNorm(doc=3374)
          0.5 = coord(1/2)
      0.2 = coord(1/5)
    
    Source
    Password. 2005, H.4, S.19
  16. Lewandowski, D.: Neue Suchmaschinen, neue Datenbestände, Desktop-Suche, Shortcuts (2005) 0.00
    0.0028297836 = product of:
      0.014148918 = sum of:
        0.014148918 = product of:
          0.028297836 = sum of:
            0.028297836 = weight(_text_:h in 3432) [ClassicSimilarity], result of:
              0.028297836 = score(doc=3432,freq=2.0), product of:
                0.10309036 = queryWeight, product of:
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.041494254 = queryNorm
                0.27449545 = fieldWeight in 3432, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.078125 = fieldNorm(doc=3432)
          0.5 = coord(1/2)
      0.2 = coord(1/5)
    
    Source
    Password. 2005, H.1, S.33
  17. Lewandowski, D.; Sünkler, S.: What does Google recommend when you want to compare insurance offerings? (2019) 0.00
    0.0028109495 = product of:
      0.014054747 = sum of:
        0.014054747 = product of:
          0.028109495 = sum of:
            0.028109495 = weight(_text_:22 in 5288) [ClassicSimilarity], result of:
              0.028109495 = score(doc=5288,freq=2.0), product of:
                0.14530581 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.041494254 = queryNorm
                0.19345059 = fieldWeight in 5288, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=5288)
          0.5 = coord(1/2)
      0.2 = coord(1/5)
    
    Date
    20. 1.2015 18:30:22
  18. Lewandowski, D.: Informationsarmut : sowohl ein quantitatives als auch ein qualitatives Problem (1999) 0.00
    0.0022638268 = product of:
      0.011319133 = sum of:
        0.011319133 = product of:
          0.022638267 = sum of:
            0.022638267 = weight(_text_:h in 3646) [ClassicSimilarity], result of:
              0.022638267 = score(doc=3646,freq=2.0), product of:
                0.10309036 = queryWeight, product of:
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.041494254 = queryNorm
                0.21959636 = fieldWeight in 3646, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.0625 = fieldNorm(doc=3646)
          0.5 = coord(1/2)
      0.2 = coord(1/5)
    
    Source
    Bibliothek: Forschung und Praxis. 23(1999) H.1, S.5-13
  19. Lewandowski, D.: Wie können sich Bibliotheken gegenüber Wissenschaftssuchmaschinen positionieren? (2007) 0.00
    0.0022638268 = product of:
      0.011319133 = sum of:
        0.011319133 = product of:
          0.022638267 = sum of:
            0.022638267 = weight(_text_:h in 5112) [ClassicSimilarity], result of:
              0.022638267 = score(doc=5112,freq=2.0), product of:
                0.10309036 = queryWeight, product of:
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.041494254 = queryNorm
                0.21959636 = fieldWeight in 5112, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.0625 = fieldNorm(doc=5112)
          0.5 = coord(1/2)
      0.2 = coord(1/5)
    
    Source
    Wa(h)re Information: 29. Österreichischer Bibliothekartag Bregenz, 19.-23.9.2006. Hrsg.: Harald Weigel
  20. Lewandowski, D.: "Find what I mean not what I say" : Neuere Ansätze zur Qualifizierung von Suchmaschinen-Ergebnissen (2001) 0.00
    0.0022638268 = product of:
      0.011319133 = sum of:
        0.011319133 = product of:
          0.022638267 = sum of:
            0.022638267 = weight(_text_:h in 5932) [ClassicSimilarity], result of:
              0.022638267 = score(doc=5932,freq=2.0), product of:
                0.10309036 = queryWeight, product of:
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.041494254 = queryNorm
                0.21959636 = fieldWeight in 5932, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4844491 = idf(docFreq=10020, maxDocs=44218)
                  0.0625 = fieldNorm(doc=5932)
          0.5 = coord(1/2)
      0.2 = coord(1/5)
    
    Source
    BuB. 53(2001) H.6/7, S.381-386