Search (7 results, page 1 of 1)

Lewandowski, D.: Web Information Retrieval : Technologien zur Informationssuche im Internet (2005) 0.02
```
0.02131381 = product of:
  0.04262762 = sum of:
    0.04262762 = product of:
      0.08525524 = sum of:
        0.08525524 = weight(_text_:2.6 in 3635) [ClassicSimilarity], result of:
          0.08525524 = score(doc=3635,freq=2.0), product of:
            0.42922258 = queryWeight, product of:
              8.988837 = idf(docFreq=14, maxDocs=44218)
              0.047750622 = queryNorm
            0.19862711 = fieldWeight in 3635, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              8.988837 = idf(docFreq=14, maxDocs=44218)
              0.015625 = fieldNorm(doc=3635)
      0.5 = coord(1/2)
  0.5 = coord(1/2)
```
Content

Inhalt: 1 Einleitung 2 Forschungsumfeld 2.1 Suchmaschinen-Markt 2.2 Formen der Suche im WWW 2.3 Aufbau algorithmischer Suchmaschinen 2.4 Abfragesprachen 2.5 Arten von Suchanfragen 2.6 Nutzerstudien 2.7 Forschungsbereiche 3 Die Größe des Web und seine Abdeckung durch Suchmaschinen 3.1 Die Größe des indexierbaren Web 3.2 Die Struktur des Web 3.3 Crawling 3.4 Aktualität der Suchmaschinen 3.5 Das Invisible Web 4 Strukturinformationen 4.1 Strukturierungsgrad von Dokumenten 4.2 Strukturinformationen in den im Web gängigen Dokumenten 4.3 Trennung von Navigation, Layout und Inhalt 4.4 Repräsentation der Dokumente in den Datenbanken der Suchmaschinen 5 Klassische Verfahren des Information Retrieval und ihre Anwendung bei WWW-Suchmaschinen 5.1 Unterschiede zwischen klassischem Information Retrieval und Web Information Retrieval 5.2 Kontrolliertes Vokabular 5.3 Kriterien für die Aufnahme in den Datenbestand 5.4 Modelle des Information Retrieval 6 Ranking 6.1 Rankingfaktoren 6.2 Messbarkeit von Relevanz 6.3 Grundsätzliche Probleme des Relevance Ranking in Suchmaschinen

Lewandowski, D.: Alles nur noch Google? : Entwicklungen im Bereich der WWW-Suchmaschinen (2002) 0.01

0.0129391 = product of:
  0.0258782 = sum of:
    0.0258782 = product of:
      0.0517564 = sum of:
        0.0517564 = weight(_text_:22 in 997) [ClassicSimilarity], result of:
          0.0517564 = score(doc=997,freq=2.0), product of:
            0.16721454 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.047750622 = 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)
  0.5 = coord(1/2)

Date: 29. 9.2002 18:49:22

Lewandowski, D.: Abfragesprachen und erweiterte Funktionen von WWW-Suchmaschinen (2004) 0.01

0.0129391 = product of:
  0.0258782 = sum of:
    0.0258782 = product of:
      0.0517564 = sum of:
        0.0517564 = weight(_text_:22 in 2314) [ClassicSimilarity], result of:
          0.0517564 = score(doc=2314,freq=2.0), product of:
            0.16721454 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.047750622 = 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)
  0.5 = coord(1/2)

Date: 28.11.2004 13:11:22

Lewandowski, D.: Query understanding (2011) 0.01

0.0129391 = product of:
  0.0258782 = sum of:
    0.0258782 = product of:
      0.0517564 = sum of:
        0.0517564 = weight(_text_:22 in 344) [ClassicSimilarity], result of:
          0.0517564 = score(doc=344,freq=2.0), product of:
            0.16721454 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.047750622 = 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)
  0.5 = coord(1/2)

Date: 18. 9.2018 18:22:18

Lewandowski, D.: ¬Die Macht der Suchmaschinen und ihr Einfluss auf unsere Entscheidungen (2014) 0.01

0.009704324 = product of:
  0.019408649 = sum of:
    0.019408649 = product of:
      0.038817298 = sum of:
        0.038817298 = weight(_text_:22 in 1491) [ClassicSimilarity], result of:
          0.038817298 = score(doc=1491,freq=2.0), product of:
            0.16721454 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.047750622 = 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)
  0.5 = coord(1/2)

Date: 22. 9.2014 18:54:11

Lewandowski, D.; Spree, U.: Ranking of Wikipedia articles in search engines revisited : fair ranking for reasonable quality? (2011) 0.01

0.0080869375 = product of:
  0.016173875 = sum of:
    0.016173875 = product of:
      0.03234775 = sum of:
        0.03234775 = weight(_text_:22 in 444) [ClassicSimilarity], result of:
          0.03234775 = score(doc=444,freq=2.0), product of:
            0.16721454 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.047750622 = 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)
  0.5 = coord(1/2)

Date: 30. 9.2012 19:27:22

Lewandowski, D.; Sünkler, S.: What does Google recommend when you want to compare insurance offerings? (2019) 0.01

0.0080869375 = product of:
  0.016173875 = sum of:
    0.016173875 = product of:
      0.03234775 = sum of:
        0.03234775 = weight(_text_:22 in 5288) [ClassicSimilarity], result of:
          0.03234775 = score(doc=5288,freq=2.0), product of:
            0.16721454 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.047750622 = 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)
  0.5 = coord(1/2)

Date: 20. 1.2015 18:30:22

Search (7 results, page 1 of 1)

Authors

Years

Languages

Types