Search (147 results, page 1 of 8)

  • × theme_ss:"Suchmaschinen"
  1. Gossen, T.: Search engines for children : search user interfaces and information-seeking behaviour (2016) 0.08
    0.07544245 = product of:
      0.1508849 = sum of:
        0.1508849 = sum of:
          0.12791108 = weight(_text_:2.2 in 2752) [ClassicSimilarity], result of:
            0.12791108 = score(doc=2752,freq=2.0), product of:
              0.40031564 = queryWeight, product of:
                8.2629 = idf(docFreq=30, maxDocs=44218)
                0.048447352 = queryNorm
              0.31952554 = fieldWeight in 2752, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                8.2629 = idf(docFreq=30, maxDocs=44218)
                0.02734375 = fieldNorm(doc=2752)
          0.022973815 = weight(_text_:22 in 2752) [ClassicSimilarity], result of:
            0.022973815 = score(doc=2752,freq=2.0), product of:
              0.16965437 = queryWeight, product of:
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.048447352 = queryNorm
              0.1354154 = fieldWeight in 2752, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.02734375 = fieldNorm(doc=2752)
      0.5 = coord(1/2)
    
    Content
    Inhalt: Acknowledgments; Abstract; Zusammenfassung; Contents; List of Figures; List of Tables; List of Acronyms; Chapter 1 Introduction ; 1.1 Research Questions; 1.2 Thesis Outline; Part I Fundamentals ; Chapter 2 Information Retrieval for Young Users ; 2.1 Basics of Information Retrieval; 2.1.1 Architecture of an IR System; 2.1.2 Relevance Ranking; 2.1.3 Search User Interfaces; 2.1.4 Targeted Search Engines; 2.2 Aspects of Child Development Relevant for Information Retrieval Tasks; 2.2.1 Human Cognitive Development; 2.2.2 Information Processing Theory; 2.2.3 Psychosocial Development 2.3 User Studies and Evaluation2.3.1 Methods in User Studies; 2.3.2 Types of Evaluation; 2.3.3 Evaluation with Children; 2.4 Discussion; Chapter 3 State of the Art ; 3.1 Children's Information-Seeking Behaviour; 3.1.1 Querying Behaviour; 3.1.2 Search Strategy; 3.1.3 Navigation Style; 3.1.4 User Interface; 3.1.5 Relevance Judgement; 3.2 Existing Algorithms and User Interface Concepts for Children; 3.2.1 Query; 3.2.2 Content; 3.2.3 Ranking; 3.2.4 Search Result Visualisation; 3.3 Existing Information Retrieval Systems for Children; 3.3.1 Digital Book Libraries; 3.3.2 Web Search Engines 3.4 Summary and DiscussionPart II Studying Open Issues ; Chapter 4 Usability of Existing Search Engines for Young Users ; 4.1 Assessment Criteria; 4.1.1 Criteria for Matching the Motor Skills; 4.1.2 Criteria for Matching the Cognitive Skills; 4.2 Results; 4.2.1 Conformance with Motor Skills; 4.2.2 Conformance with the Cognitive Skills; 4.2.3 Presentation of Search Results; 4.2.4 Browsing versus Searching; 4.2.5 Navigational Style; 4.3 Summary and Discussion; Chapter 5 Large-scale Analysis of Children's Queries and Search Interactions; 5.1 Dataset; 5.2 Results; 5.3 Summary and Discussion Chapter 6 Differences in Usability and Perception of Targeted Web Search Engines between Children and Adults 6.1 Related Work; 6.2 User Study; 6.3 Study Results; 6.4 Summary and Discussion; Part III Tackling the Challenges ; Chapter 7 Search User Interface Design for Children ; 7.1 Conceptual Challenges and Possible Solutions; 7.2 Knowledge Journey Design; 7.3 Evaluation; 7.3.1 Study Design; 7.3.2 Study Results; 7.4 Voice-Controlled Search: Initial Study; 7.4.1 User Study; 7.5 Summary and Discussion; Chapter 8 Addressing User Diversity ; 8.1 Evolving Search User Interface 8.1.1 Mapping Function8.1.2 Evolving Skills; 8.1.3 Detection of User Abilities; 8.1.4 Design Concepts; 8.2 Adaptation of a Search User Interface towards User Needs; 8.2.1 Design & Implementation; 8.2.2 Search Input; 8.2.3 Result Output; 8.2.4 General Properties; 8.2.5 Configuration and Further Details; 8.3 Evaluation; 8.3.1 Study Design; 8.3.2 Study Results; 8.3.3 Preferred UI Settings; 8.3.4 User satisfaction; 8.4 Knowledge Journey Exhibit; 8.4.1 Hardware; 8.4.2 Frontend; 8.4.3 Backend; 8.5 Summary and Discussion; Chapter 9 Supporting Visual Searchers in Processing Search Results 9.1 Related Work
    Date
    1. 2.2016 18:25:22
  2. Li, L.; Shang, Y.; Zhang, W.: Improvement of HITS-based algorithms on Web documents 0.04
    0.03847362 = product of:
      0.07694724 = sum of:
        0.07694724 = product of:
          0.23084171 = sum of:
            0.23084171 = weight(_text_:3a in 2514) [ClassicSimilarity], result of:
              0.23084171 = score(doc=2514,freq=2.0), product of:
                0.4107372 = queryWeight, product of:
                  8.478011 = idf(docFreq=24, maxDocs=44218)
                  0.048447352 = queryNorm
                0.56201804 = fieldWeight in 2514, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  8.478011 = idf(docFreq=24, maxDocs=44218)
                  0.046875 = fieldNorm(doc=2514)
          0.33333334 = coord(1/3)
      0.5 = coord(1/2)
    
    Content
    Vgl.: http%3A%2F%2Fdelab.csd.auth.gr%2F~dimitris%2Fcourses%2Fir_spring06%2Fpage_rank_computing%2Fp527-li.pdf. Vgl. auch: http://www2002.org/CDROM/refereed/643/.
  3. Großjohann, K.: Gathering-, Harvesting-, Suchmaschinen (1996) 0.03
    0.027848471 = product of:
      0.055696942 = sum of:
        0.055696942 = product of:
          0.111393884 = sum of:
            0.111393884 = weight(_text_:22 in 3227) [ClassicSimilarity], result of:
              0.111393884 = score(doc=3227,freq=4.0), product of:
                0.16965437 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.048447352 = queryNorm
                0.6565931 = fieldWeight in 3227, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.09375 = fieldNorm(doc=3227)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    7. 2.1996 22:38:41
    Pages
    22 S
  4. Höfer, W.: Detektive im Web (1999) 0.03
    0.027848471 = product of:
      0.055696942 = sum of:
        0.055696942 = product of:
          0.111393884 = sum of:
            0.111393884 = weight(_text_:22 in 4007) [ClassicSimilarity], result of:
              0.111393884 = score(doc=4007,freq=4.0), product of:
                0.16965437 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.048447352 = queryNorm
                0.6565931 = fieldWeight in 4007, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.09375 = fieldNorm(doc=4007)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    22. 8.1999 20:22:06
  5. Rensman, J.: Blick ins Getriebe (1999) 0.03
    0.027848471 = product of:
      0.055696942 = sum of:
        0.055696942 = product of:
          0.111393884 = sum of:
            0.111393884 = weight(_text_:22 in 4009) [ClassicSimilarity], result of:
              0.111393884 = score(doc=4009,freq=4.0), product of:
                0.16965437 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.048447352 = queryNorm
                0.6565931 = fieldWeight in 4009, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.09375 = fieldNorm(doc=4009)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    22. 8.1999 21:22:59
  6. Langville, A.N.; Meyer, C.D.: Google's PageRank and beyond : the science of search engine rankings (2006) 0.03
    0.027409516 = product of:
      0.054819033 = sum of:
        0.054819033 = product of:
          0.109638065 = sum of:
            0.109638065 = weight(_text_:2.2 in 6) [ClassicSimilarity], result of:
              0.109638065 = score(doc=6,freq=2.0), product of:
                0.40031564 = queryWeight, product of:
                  8.2629 = idf(docFreq=30, maxDocs=44218)
                  0.048447352 = queryNorm
                0.27387905 = fieldWeight in 6, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  8.2629 = idf(docFreq=30, maxDocs=44218)
                  0.0234375 = fieldNorm(doc=6)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Content
    Inhalt: Chapter 1. Introduction to Web Search Engines: 1.1 A Short History of Information Retrieval - 1.2 An Overview of Traditional Information Retrieval - 1.3 Web Information Retrieval Chapter 2. Crawling, Indexing, and Query Processing: 2.1 Crawling - 2.2 The Content Index - 2.3 Query Processing Chapter 3. Ranking Webpages by Popularity: 3.1 The Scene in 1998 - 3.2 Two Theses - 3.3 Query-Independence Chapter 4. The Mathematics of Google's PageRank: 4.1 The Original Summation Formula for PageRank - 4.2 Matrix Representation of the Summation Equations - 4.3 Problems with the Iterative Process - 4.4 A Little Markov Chain Theory - 4.5 Early Adjustments to the Basic Model - 4.6 Computation of the PageRank Vector - 4.7 Theorem and Proof for Spectrum of the Google Matrix Chapter 5. Parameters in the PageRank Model: 5.1 The a Factor - 5.2 The Hyperlink Matrix H - 5.3 The Teleportation Matrix E Chapter 6. The Sensitivity of PageRank; 6.1 Sensitivity with respect to alpha - 6.2 Sensitivity with respect to H - 6.3 Sensitivity with respect to vT - 6.4 Other Analyses of Sensitivity - 6.5 Sensitivity Theorems and Proofs Chapter 7. The PageRank Problem as a Linear System: 7.1 Properties of (I - alphaS) - 7.2 Properties of (I - alphaH) - 7.3 Proof of the PageRank Sparse Linear System Chapter 8. Issues in Large-Scale Implementation of PageRank: 8.1 Storage Issues - 8.2 Convergence Criterion - 8.3 Accuracy - 8.4 Dangling Nodes - 8.5 Back Button Modeling
  7. Stock, M.; Stock, W.G.: Recherchieren im Internet (2004) 0.03
    0.026255788 = product of:
      0.052511577 = sum of:
        0.052511577 = product of:
          0.10502315 = sum of:
            0.10502315 = weight(_text_:22 in 4686) [ClassicSimilarity], result of:
              0.10502315 = score(doc=4686,freq=2.0), product of:
                0.16965437 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.048447352 = queryNorm
                0.61904186 = fieldWeight in 4686, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.125 = fieldNorm(doc=4686)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    27.11.2005 18:04:22
  8. MacLeod, R.: Promoting a subject gateway : a case study from EEVL (Edinburgh Engineering Virtual Library) (2000) 0.02
    0.023207057 = product of:
      0.046414115 = sum of:
        0.046414115 = product of:
          0.09282823 = sum of:
            0.09282823 = weight(_text_:22 in 4872) [ClassicSimilarity], result of:
              0.09282823 = score(doc=4872,freq=4.0), product of:
                0.16965437 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.048447352 = queryNorm
                0.54716086 = fieldWeight in 4872, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.078125 = fieldNorm(doc=4872)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    22. 6.2002 19:40:22
  9. Vidmar, D.J.: Darwin on the Web : the evolution of search tools (1999) 0.02
    0.022973815 = product of:
      0.04594763 = sum of:
        0.04594763 = product of:
          0.09189526 = sum of:
            0.09189526 = weight(_text_:22 in 3175) [ClassicSimilarity], result of:
              0.09189526 = score(doc=3175,freq=2.0), product of:
                0.16965437 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.048447352 = queryNorm
                0.5416616 = fieldWeight in 3175, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.109375 = fieldNorm(doc=3175)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Computers in libraries. 19(1999) no.5, S.22-28
  10. Back, J.: ¬An evaluation of relevancy ranking techniques used by Internet search engines (2000) 0.02
    0.022973815 = product of:
      0.04594763 = sum of:
        0.04594763 = product of:
          0.09189526 = sum of:
            0.09189526 = weight(_text_:22 in 3445) [ClassicSimilarity], result of:
              0.09189526 = score(doc=3445,freq=2.0), product of:
                0.16965437 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.048447352 = queryNorm
                0.5416616 = fieldWeight in 3445, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.109375 = fieldNorm(doc=3445)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    25. 8.2005 17:42:22
  11. ap: Suchmaschinen in neuem Gewand : Metaspinner kennt 600 Millionen Seiten (1999) 0.02
    0.022973815 = product of:
      0.04594763 = sum of:
        0.04594763 = product of:
          0.09189526 = sum of:
            0.09189526 = weight(_text_:22 in 4224) [ClassicSimilarity], result of:
              0.09189526 = score(doc=4224,freq=2.0), product of:
                0.16965437 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.048447352 = queryNorm
                0.5416616 = fieldWeight in 4224, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.109375 = fieldNorm(doc=4224)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    3. 5.1997 8:44:22
  12. Dunning, A.: Do we still need search engines? (1999) 0.02
    0.022973815 = product of:
      0.04594763 = sum of:
        0.04594763 = product of:
          0.09189526 = sum of:
            0.09189526 = weight(_text_:22 in 6021) [ClassicSimilarity], result of:
              0.09189526 = score(doc=6021,freq=2.0), product of:
                0.16965437 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.048447352 = queryNorm
                0.5416616 = fieldWeight in 6021, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.109375 = fieldNorm(doc=6021)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Ariadne. 1999, no.22
  13. Bawden, D.: Google and the universe of knowledge (2008) 0.02
    0.022973815 = product of:
      0.04594763 = sum of:
        0.04594763 = product of:
          0.09189526 = sum of:
            0.09189526 = weight(_text_:22 in 844) [ClassicSimilarity], result of:
              0.09189526 = score(doc=844,freq=2.0), product of:
                0.16965437 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.048447352 = queryNorm
                0.5416616 = fieldWeight in 844, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.109375 = fieldNorm(doc=844)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    7. 6.2008 16:22:20
  14. Auf der Suche nach Suchmaschinen (1996) 0.02
    0.019691842 = product of:
      0.039383683 = sum of:
        0.039383683 = product of:
          0.07876737 = sum of:
            0.07876737 = weight(_text_:22 in 5583) [ClassicSimilarity], result of:
              0.07876737 = score(doc=5583,freq=2.0), product of:
                0.16965437 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.048447352 = queryNorm
                0.46428138 = fieldWeight in 5583, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.09375 = fieldNorm(doc=5583)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Cogito. 12(1996) H.5, S.19-22
  15. Birmingham, J.: Internet search engines (1996) 0.02
    0.019691842 = product of:
      0.039383683 = sum of:
        0.039383683 = product of:
          0.07876737 = sum of:
            0.07876737 = weight(_text_:22 in 5664) [ClassicSimilarity], result of:
              0.07876737 = score(doc=5664,freq=2.0), product of:
                0.16965437 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.048447352 = queryNorm
                0.46428138 = fieldWeight in 5664, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.09375 = fieldNorm(doc=5664)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    10.11.1996 16:36:22
  16. Bager, J.: Weniger ist mehr : Internet-Suchmaschinen richtig einsetzen (1998) 0.02
    0.019691842 = product of:
      0.039383683 = sum of:
        0.039383683 = product of:
          0.07876737 = sum of:
            0.07876737 = weight(_text_:22 in 1489) [ClassicSimilarity], result of:
              0.07876737 = score(doc=1489,freq=2.0), product of:
                0.16965437 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.048447352 = queryNorm
                0.46428138 = fieldWeight in 1489, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.09375 = fieldNorm(doc=1489)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    29.12.1998 11:22:00
  17. Lob, S.: Per Mausklick auf die neusten Nachrichten : Internet-Suchmaschinen liefern Presse-Überblicke und stellen persönliche Zeitungen zusammen (1998) 0.02
    0.019691842 = product of:
      0.039383683 = sum of:
        0.039383683 = product of:
          0.07876737 = sum of:
            0.07876737 = weight(_text_:22 in 1622) [ClassicSimilarity], result of:
              0.07876737 = score(doc=1622,freq=2.0), product of:
                0.16965437 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.048447352 = queryNorm
                0.46428138 = fieldWeight in 1622, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.09375 = fieldNorm(doc=1622)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    29.12.1998 11:22:25
  18. Hannemann, M.: Online ins Schlaraffenland der Wissenschaft : Literatur-Recherche im Internet ist ein teures Unterfangen ohne Erfolgsgarantie - Doch wer systematisch sucht, gelangt zügig ans Ziel (1999) 0.02
    0.019691842 = product of:
      0.039383683 = sum of:
        0.039383683 = product of:
          0.07876737 = sum of:
            0.07876737 = weight(_text_:22 in 3106) [ClassicSimilarity], result of:
              0.07876737 = score(doc=3106,freq=2.0), product of:
                0.16965437 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.048447352 = queryNorm
                0.46428138 = fieldWeight in 3106, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.09375 = fieldNorm(doc=3106)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    3. 5.1997 8:44:22
  19. Hock, R.E.: How to do field searching in Web search engines : a field trip (1998) 0.02
    0.018565647 = product of:
      0.037131295 = sum of:
        0.037131295 = product of:
          0.07426259 = sum of:
            0.07426259 = weight(_text_:22 in 3601) [ClassicSimilarity], result of:
              0.07426259 = score(doc=3601,freq=4.0), product of:
                0.16965437 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.048447352 = queryNorm
                0.4377287 = fieldWeight in 3601, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.0625 = fieldNorm(doc=3601)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Online. 22(1998) no.3, S.18-22
  20. Lewandowski, D.: Web Information Retrieval : Technologien zur Informationssuche im Internet (2005) 0.02
    0.01827301 = product of:
      0.03654602 = sum of:
        0.03654602 = product of:
          0.07309204 = sum of:
            0.07309204 = weight(_text_:2.2 in 3635) [ClassicSimilarity], result of:
              0.07309204 = score(doc=3635,freq=2.0), product of:
                0.40031564 = queryWeight, product of:
                  8.2629 = idf(docFreq=30, maxDocs=44218)
                  0.048447352 = queryNorm
                0.18258603 = fieldWeight in 3635, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  8.2629 = idf(docFreq=30, 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

Languages

  • d 80
  • e 65
  • f 1
  • nl 1
  • More… Less…

Types

  • a 131
  • el 8
  • m 8
  • p 2
  • x 2
  • r 1
  • More… Less…