Search (6 results, page 1 of 1)

  • × subject_ss:"Web search engines"
  1. Berry, M.W.; Browne, M.: Understanding search engines : mathematical modeling and text retrieval (2005) 0.06
    0.05814619 = product of:
      0.17443857 = sum of:
        0.105906345 = weight(_text_:suchmaschine in 7) [ClassicSimilarity], result of:
          0.105906345 = score(doc=7,freq=8.0), product of:
            0.21191008 = queryWeight, product of:
              5.6542544 = idf(docFreq=420, maxDocs=44218)
              0.03747799 = queryNorm
            0.4997702 = fieldWeight in 7, product of:
              2.828427 = tf(freq=8.0), with freq of:
                8.0 = termFreq=8.0
              5.6542544 = idf(docFreq=420, maxDocs=44218)
              0.03125 = fieldNorm(doc=7)
        0.06853223 = weight(_text_:ranking in 7) [ClassicSimilarity], result of:
          0.06853223 = score(doc=7,freq=4.0), product of:
            0.20271951 = queryWeight, product of:
              5.4090285 = idf(docFreq=537, maxDocs=44218)
              0.03747799 = queryNorm
            0.33806428 = fieldWeight in 7, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              5.4090285 = idf(docFreq=537, maxDocs=44218)
              0.03125 = fieldNorm(doc=7)
      0.33333334 = coord(2/6)
    
    Content
    Inhalt: Introduction Document File Preparation - Manual Indexing - Information Extraction - Vector Space Modeling - Matrix Decompositions - Query Representations - Ranking and Relevance Feedback - Searching by Link Structure - User Interface - Book Format Document File Preparation Document Purification and Analysis - Text Formatting - Validation - Manual Indexing - Automatic Indexing - Item Normalization - Inverted File Structures - Document File - Dictionary List - Inversion List - Other File Structures Vector Space Models Construction - Term-by-Document Matrices - Simple Query Matching - Design Issues - Term Weighting - Sparse Matrix Storage - Low-Rank Approximations Matrix Decompositions QR Factorization - Singular Value Decomposition - Low-Rank Approximations - Query Matching - Software - Semidiscrete Decomposition - Updating Techniques Query Management Query Binding - Types of Queries - Boolean Queries - Natural Language Queries - Thesaurus Queries - Fuzzy Queries - Term Searches - Probabilistic Queries Ranking and Relevance Feedback Performance Evaluation - Precision - Recall - Average Precision - Genetic Algorithms - Relevance Feedback Searching by Link Structure HITS Method - HITS Implementation - HITS Summary - PageRank Method - PageRank Adjustments - PageRank Implementation - PageRank Summary User Interface Considerations General Guidelines - Search Engine Interfaces - Form Fill-in - Display Considerations - Progress Indication - No Penalties for Error - Results - Test and Retest - Final Considerations Further Reading
    RSWK
    Suchmaschine / Information Retrieval
    Suchmaschine / Information Retrieval / Mathematisches Modell (HEBIS)
    Subject
    Suchmaschine / Information Retrieval
    Suchmaschine / Information Retrieval / Mathematisches Modell (HEBIS)
  2. Berry, M.W.; Browne, M.: Understanding search engines : mathematical modeling and text retrieval (1999) 0.03
    0.032427065 = product of:
      0.19456238 = sum of:
        0.19456238 = weight(_text_:suchmaschine in 5777) [ClassicSimilarity], result of:
          0.19456238 = score(doc=5777,freq=12.0), product of:
            0.21191008 = queryWeight, product of:
              5.6542544 = idf(docFreq=420, maxDocs=44218)
              0.03747799 = queryNorm
            0.9181365 = fieldWeight in 5777, product of:
              3.4641016 = tf(freq=12.0), with freq of:
                12.0 = termFreq=12.0
              5.6542544 = idf(docFreq=420, maxDocs=44218)
              0.046875 = fieldNorm(doc=5777)
      0.16666667 = coord(1/6)
    
    RSWK
    Suchmaschine / Information Retrieval
    World Wide Web / Suchmaschine / Mathematisches Modell (BVB)
    Suchmaschine / Information Retrieval / Mathematisches Modell (HEBIS)
    Subject
    Suchmaschine / Information Retrieval
    World Wide Web / Suchmaschine / Mathematisches Modell (BVB)
    Suchmaschine / Information Retrieval / Mathematisches Modell (HEBIS)
  3. Web search engine research (2012) 0.02
    0.018721774 = product of:
      0.11233064 = sum of:
        0.11233064 = weight(_text_:suchmaschine in 478) [ClassicSimilarity], result of:
          0.11233064 = score(doc=478,freq=4.0), product of:
            0.21191008 = queryWeight, product of:
              5.6542544 = idf(docFreq=420, maxDocs=44218)
              0.03747799 = queryNorm
            0.53008634 = fieldWeight in 478, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              5.6542544 = idf(docFreq=420, maxDocs=44218)
              0.046875 = fieldNorm(doc=478)
      0.16666667 = coord(1/6)
    
    RSWK
    Internet / Suchmaschine / Forschung / Aufsatzsammlung
    Subject
    Internet / Suchmaschine / Forschung / Aufsatzsammlung
  4. Belew, R.K.: Finding out about : a cognitive perspective on search engine technology and the WWW (2001) 0.01
    0.012481183 = product of:
      0.0748871 = sum of:
        0.0748871 = weight(_text_:suchmaschine in 3346) [ClassicSimilarity], result of:
          0.0748871 = score(doc=3346,freq=4.0), product of:
            0.21191008 = queryWeight, product of:
              5.6542544 = idf(docFreq=420, maxDocs=44218)
              0.03747799 = queryNorm
            0.3533909 = fieldWeight in 3346, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              5.6542544 = idf(docFreq=420, maxDocs=44218)
              0.03125 = fieldNorm(doc=3346)
      0.16666667 = coord(1/6)
    
    RSWK
    Suchmaschine / World Wide Web / Information Retrieval
    Subject
    Suchmaschine / World Wide Web / Information Retrieval
  5. Social information retrieval systems : emerging technologies and applications for searching the Web effectively (2008) 0.01
    0.012481183 = product of:
      0.0748871 = sum of:
        0.0748871 = weight(_text_:suchmaschine in 4127) [ClassicSimilarity], result of:
          0.0748871 = score(doc=4127,freq=4.0), product of:
            0.21191008 = queryWeight, product of:
              5.6542544 = idf(docFreq=420, maxDocs=44218)
              0.03747799 = queryNorm
            0.3533909 = fieldWeight in 4127, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              5.6542544 = idf(docFreq=420, maxDocs=44218)
              0.03125 = fieldNorm(doc=4127)
      0.16666667 = coord(1/6)
    
    RSWK
    Information Retrieval / World Wide Web / Suchmaschine
    Subject
    Information Retrieval / World Wide Web / Suchmaschine
  6. Franke, F; Klein, A.; Schüller-Zwierlein, A.: Schlüsselkompetenzen : Literatur recherchieren in Bibliotheken und Internet (2010) 0.00
    0.0011386317 = product of:
      0.0068317903 = sum of:
        0.0068317903 = product of:
          0.02049537 = sum of:
            0.02049537 = weight(_text_:29 in 4721) [ClassicSimilarity], result of:
              0.02049537 = score(doc=4721,freq=2.0), product of:
                0.13183585 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.03747799 = queryNorm
                0.15546128 = fieldWeight in 4721, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.03125 = fieldNorm(doc=4721)
          0.33333334 = coord(1/3)
      0.16666667 = coord(1/6)
    
    Date
    29. 8.2011 12:21:48

Languages

Types