Search (9 results, page 1 of 1)

0.023134738 = product of:
  0.034702107 = sum of:
    0.0040701013 = weight(_text_:e in 4041) [ClassicSimilarity], result of:
      0.0040701013 = score(doc=4041,freq=2.0), product of:
        0.0640725 = queryWeight, product of:
          1.43737 = idf(docFreq=28552, maxDocs=44218)
          0.044576205 = queryNorm
        0.063523374 = fieldWeight in 4041, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.43737 = idf(docFreq=28552, maxDocs=44218)
          0.03125 = fieldNorm(doc=4041)
    0.030632008 = product of:
      0.061264016 = sum of:
        0.061264016 = weight(_text_:van in 4041) [ClassicSimilarity], result of:
          0.061264016 = score(doc=4041,freq=2.0), product of:
            0.2485832 = queryWeight, product of:
              5.5765896 = idf(docFreq=454, maxDocs=44218)
              0.044576205 = queryNorm
            0.24645276 = fieldWeight in 4041, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              5.5765896 = idf(docFreq=454, maxDocs=44218)
              0.03125 = fieldNorm(doc=4041)
      0.5 = coord(1/2)
  0.6666667 = coord(2/3)

Abstract

Class-tested and coherent, this textbook teaches information retrieval, including web search, text classification, and text clustering from basic concepts. Ideas are explained using examples and figures, making it perfect for introductory courses in information retrieval for advanced undergraduates and graduate students. Slides and additional exercises are available for lecturers. - This book provides what Salton and Van Rijsbergen both failed to achieve. Even more important, unlike some other books in IR, the authors appear to care about making the theory as accessible as possible to the reader, on occasion including short primers to certain topics or choosing to explain difficult concepts using simplified approaches. Its coverage [is] excellent, the quality of writing high and I was surprised how much I learned from reading it. I think the online resources are impressive.

Language

e

0.012635059 = product of:
  0.037905175 = sum of:
    0.037905175 = product of:
      0.07581035 = sum of:
        0.07581035 = weight(_text_:van in 167) [ClassicSimilarity], result of:
          0.07581035 = score(doc=167,freq=4.0), product of:
            0.2485832 = queryWeight, product of:
              5.5765896 = idf(docFreq=454, maxDocs=44218)
              0.044576205 = queryNorm
            0.30496973 = fieldWeight in 167, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              5.5765896 = idf(docFreq=454, maxDocs=44218)
              0.02734375 = fieldNorm(doc=167)
      0.5 = coord(1/2)
  0.33333334 = coord(1/3)

Content

Inhalt: 1. Einleitung (A. Dengel, A. Bernardi) 2. Wissensrepräsentation (A. Dengel, A. Bernardi, L. van Elst) 3. Semantische Netze, Thesauri und Topic Maps (O. Rostanin, G. Weber) 4. Das Ressource Description Framework (T. Roth-Berghofer) 5. Ontologien und Ontologie-Abgleich in verteilten Informationssystemen (L. van Elst) 6. Anfragesprachen und Reasoning (M. Sintek) 7. Linked Open Data, Semantic Web Datensätze (G.A. Grimnes, O. Hartig, M. Kiesel, M. Liwicki) 8. Semantik in der Informationsextraktion (B. Adrian, B. Endres-Niggemeyer) 9. Semantische Suche (K. Schumacher, B. Forcher, T. Tran) 10. Erklärungsfähigkeit semantischer Systeme (B. Forcher, T. Roth-Berghofer, S. Agne) 11. Semantische Webservices zur Steuerung von Prooduktionsprozessen (M. Loskyll, J. Schlick, S. Hodeck, L. Ollinger, C. Maxeiner) 12. Wissensarbeit am Desktop (S. Schwarz, H. Maus, M. Kiesel, L. Sauermann) 13. Semantische Suche für medizinische Bilder (MEDICO) (M. Möller, M. Sintek) 14. Semantische Musikempfehlungen (S. Baumann, A. Passant) 15. Optimierung von Instandhaltungsprozessen durch Semantische Technologien (P. Stephan, M. Loskyll, C. Stahl, J. Schlick)

0.0037920931 = product of:
  0.011376279 = sum of:
    0.011376279 = weight(_text_:e in 1081) [ClassicSimilarity], result of:
      0.011376279 = score(doc=1081,freq=10.0), product of:
        0.0640725 = queryWeight, product of:
          1.43737 = idf(docFreq=28552, maxDocs=44218)
          0.044576205 = queryNorm
        0.17755324 = fieldWeight in 1081, product of:
          3.1622777 = tf(freq=10.0), with freq of:
            10.0 = termFreq=10.0
          1.43737 = idf(docFreq=28552, maxDocs=44218)
          0.0390625 = fieldNorm(doc=1081)
  0.33333334 = coord(1/3)

Classification

DKF (E)
BFN (E)

GHBS

DKF (E)
BFN (E)

Language

e

0.0028779963 = product of:
  0.008633989 = sum of:
    0.008633989 = weight(_text_:e in 564) [ClassicSimilarity], result of:
      0.008633989 = score(doc=564,freq=4.0), product of:
        0.0640725 = queryWeight, product of:
          1.43737 = idf(docFreq=28552, maxDocs=44218)
          0.044576205 = queryNorm
        0.13475344 = fieldWeight in 564, product of:
          2.0 = tf(freq=4.0), with freq of:
            4.0 = termFreq=4.0
          1.43737 = idf(docFreq=28552, maxDocs=44218)
          0.046875 = fieldNorm(doc=564)
  0.33333334 = coord(1/3)

Classification

BFP (E)

GHBS

BFP (E)

0.0020350507 = product of:
  0.0061051515 = sum of:
    0.0061051515 = weight(_text_:e in 1603) [ClassicSimilarity], result of:
      0.0061051515 = score(doc=1603,freq=2.0), product of:
        0.0640725 = queryWeight, product of:
          1.43737 = idf(docFreq=28552, maxDocs=44218)
          0.044576205 = queryNorm
        0.09528506 = fieldWeight in 1603, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.43737 = idf(docFreq=28552, maxDocs=44218)
          0.046875 = fieldNorm(doc=1603)
  0.33333334 = coord(1/3)

Language

e

0.0016958755 = product of:
  0.0050876266 = sum of:
    0.0050876266 = weight(_text_:e in 978) [ClassicSimilarity], result of:
      0.0050876266 = score(doc=978,freq=2.0), product of:
        0.0640725 = queryWeight, product of:
          1.43737 = idf(docFreq=28552, maxDocs=44218)
          0.044576205 = queryNorm
        0.07940422 = fieldWeight in 978, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.43737 = idf(docFreq=28552, maxDocs=44218)
          0.0390625 = fieldNorm(doc=978)
  0.33333334 = coord(1/3)

Language

e

0.0016958755 = product of:
  0.0050876266 = sum of:
    0.0050876266 = weight(_text_:e in 2396) [ClassicSimilarity], result of:
      0.0050876266 = score(doc=2396,freq=2.0), product of:
        0.0640725 = queryWeight, product of:
          1.43737 = idf(docFreq=28552, maxDocs=44218)
          0.044576205 = queryNorm
        0.07940422 = fieldWeight in 2396, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.43737 = idf(docFreq=28552, maxDocs=44218)
          0.0390625 = fieldNorm(doc=2396)
  0.33333334 = coord(1/3)

Language

e

0.0016958755 = product of:
  0.0050876266 = sum of:
    0.0050876266 = weight(_text_:e in 5204) [ClassicSimilarity], result of:
      0.0050876266 = score(doc=5204,freq=2.0), product of:
        0.0640725 = queryWeight, product of:
          1.43737 = idf(docFreq=28552, maxDocs=44218)
          0.044576205 = queryNorm
        0.07940422 = fieldWeight in 5204, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.43737 = idf(docFreq=28552, maxDocs=44218)
          0.0390625 = fieldNorm(doc=5204)
  0.33333334 = coord(1/3)

Language

e

0.0013567004 = product of:
  0.0040701013 = sum of:
    0.0040701013 = weight(_text_:e in 362) [ClassicSimilarity], result of:
      0.0040701013 = score(doc=362,freq=2.0), product of:
        0.0640725 = queryWeight, product of:
          1.43737 = idf(docFreq=28552, maxDocs=44218)
          0.044576205 = queryNorm
        0.063523374 = fieldWeight in 362, product of:
          1.4142135 = tf(freq=2.0), with freq of:
            2.0 = termFreq=2.0
          1.43737 = idf(docFreq=28552, maxDocs=44218)
          0.03125 = fieldNorm(doc=362)
  0.33333334 = coord(1/3)

Language

e