Search (53 results, page 2 of 3)

  • × theme_ss:"Retrievalstudien"
  • × type_ss:"a"
  1. Allen, B.: Logical reasoning and retrieval performance (1993) 0.01
    0.011047398 = product of:
      0.022094795 = sum of:
        0.022094795 = product of:
          0.04418959 = sum of:
            0.04418959 = weight(_text_:b in 5093) [ClassicSimilarity], result of:
              0.04418959 = score(doc=5093,freq=2.0), product of:
                0.16126883 = queryWeight, product of:
                  3.542962 = idf(docFreq=3476, maxDocs=44218)
                  0.045518078 = queryNorm
                0.27401197 = fieldWeight in 5093, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.542962 = idf(docFreq=3476, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=5093)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  2. Barker, A.L.: Non-Boolean searching on commercial online systems : optimising use of Dialog TARGET and ESA/IRS QUESTQUORUM (1995) 0.01
    0.011047398 = product of:
      0.022094795 = sum of:
        0.022094795 = product of:
          0.04418959 = sum of:
            0.04418959 = weight(_text_:b in 3853) [ClassicSimilarity], result of:
              0.04418959 = score(doc=3853,freq=2.0), product of:
                0.16126883 = queryWeight, product of:
                  3.542962 = idf(docFreq=3476, maxDocs=44218)
                  0.045518078 = queryNorm
                0.27401197 = fieldWeight in 3853, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.542962 = idf(docFreq=3476, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=3853)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Online information 95: Proceedings of the 19th International online information meeting, London, 5-7 December 1995. Ed.: D.I. Raitt u. B. Jeapes
  3. Iivonen, M.: Factors lowering the consistency in online searching (1995) 0.01
    0.011047398 = product of:
      0.022094795 = sum of:
        0.022094795 = product of:
          0.04418959 = sum of:
            0.04418959 = weight(_text_:b in 3869) [ClassicSimilarity], result of:
              0.04418959 = score(doc=3869,freq=2.0), product of:
                0.16126883 = queryWeight, product of:
                  3.542962 = idf(docFreq=3476, maxDocs=44218)
                  0.045518078 = queryNorm
                0.27401197 = fieldWeight in 3869, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.542962 = idf(docFreq=3476, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=3869)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Online information 95: Proceedings of the 19th International online information meeting, London, 5-7 December 1995. Ed.: D.I. Raitt u. B. Jeapes
  4. Nicholas, D.: Are information professionals really better online searchers than end-users? : (and whose story do you believe?) (1995) 0.01
    0.011047398 = product of:
      0.022094795 = sum of:
        0.022094795 = product of:
          0.04418959 = sum of:
            0.04418959 = weight(_text_:b in 3871) [ClassicSimilarity], result of:
              0.04418959 = score(doc=3871,freq=2.0), product of:
                0.16126883 = queryWeight, product of:
                  3.542962 = idf(docFreq=3476, maxDocs=44218)
                  0.045518078 = queryNorm
                0.27401197 = fieldWeight in 3871, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.542962 = idf(docFreq=3476, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=3871)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Online information 95: Proceedings of the 19th International online information meeting, London, 5-7 December 1995. Ed.: D.I. Raitt u. B. Jeapes
  5. Blagden, J.F.: How much noise in a role-free and link-free co-ordinate indexing system? (1966) 0.01
    0.010792375 = product of:
      0.02158475 = sum of:
        0.02158475 = product of:
          0.0431695 = sum of:
            0.0431695 = weight(_text_:22 in 2718) [ClassicSimilarity], result of:
              0.0431695 = score(doc=2718,freq=2.0), product of:
                0.15939656 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045518078 = queryNorm
                0.2708308 = fieldWeight in 2718, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=2718)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Journal of documentation. 22(1966), S.203-209
  6. Smithson, S.: Information retrieval evaluation in practice : a case study approach (1994) 0.01
    0.010792375 = product of:
      0.02158475 = sum of:
        0.02158475 = product of:
          0.0431695 = sum of:
            0.0431695 = weight(_text_:22 in 7302) [ClassicSimilarity], result of:
              0.0431695 = score(doc=7302,freq=2.0), product of:
                0.15939656 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045518078 = queryNorm
                0.2708308 = fieldWeight in 7302, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=7302)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Abstract
    The evaluation of information retrieval systems is an important yet difficult operation. This paper describes an exploratory evaluation study that takes an interpretive approach to evaluation. The longitudinal study examines evaluation through the information-seeking behaviour of 22 case studies of 'real' users. The eclectic approach to data collection produced behavioral data that is compared with relevance judgements and satisfaction ratings. The study demonstrates considerable variations among the cases, among different evaluation measures within the same case, and among the same measures at different stages within a single case. It is argued that those involved in evaluation should be aware of the difficulties, and base any evaluation on a good understanding of the cases in question
  7. Blair, D.C.: STAIRS Redux : thoughts on the STAIRS evaluation, ten years after (1996) 0.01
    0.010792375 = product of:
      0.02158475 = sum of:
        0.02158475 = product of:
          0.0431695 = sum of:
            0.0431695 = weight(_text_:22 in 3002) [ClassicSimilarity], result of:
              0.0431695 = score(doc=3002,freq=2.0), product of:
                0.15939656 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045518078 = queryNorm
                0.2708308 = fieldWeight in 3002, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=3002)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Journal of the American Society for Information Science. 47(1996) no.1, S.4-22
  8. Losee, R.M.: Determining information retrieval and filtering performance without experimentation (1995) 0.01
    0.010792375 = product of:
      0.02158475 = sum of:
        0.02158475 = product of:
          0.0431695 = sum of:
            0.0431695 = weight(_text_:22 in 3368) [ClassicSimilarity], result of:
              0.0431695 = score(doc=3368,freq=2.0), product of:
                0.15939656 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045518078 = queryNorm
                0.2708308 = fieldWeight in 3368, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=3368)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    22. 2.1996 13:14:10
  9. Hodges, P.R.: Keyword in title indexes : effectiveness of retrieval in computer searches (1983) 0.01
    0.010792375 = product of:
      0.02158475 = sum of:
        0.02158475 = product of:
          0.0431695 = sum of:
            0.0431695 = weight(_text_:22 in 5001) [ClassicSimilarity], result of:
              0.0431695 = score(doc=5001,freq=2.0), product of:
                0.15939656 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045518078 = queryNorm
                0.2708308 = fieldWeight in 5001, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=5001)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    14. 3.1996 13:22:21
  10. Brown, M.E.: By any other name : accounting for failure in the naming of subject categories (1995) 0.01
    0.010792375 = product of:
      0.02158475 = sum of:
        0.02158475 = product of:
          0.0431695 = sum of:
            0.0431695 = weight(_text_:22 in 5598) [ClassicSimilarity], result of:
              0.0431695 = score(doc=5598,freq=2.0), product of:
                0.15939656 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045518078 = queryNorm
                0.2708308 = fieldWeight in 5598, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=5598)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    2.11.1996 13:08:22
  11. Shafique, M.; Chaudhry, A.S.: Intelligent agent-based online information retrieval (1995) 0.01
    0.009469198 = product of:
      0.018938396 = sum of:
        0.018938396 = product of:
          0.037876792 = sum of:
            0.037876792 = weight(_text_:b in 3851) [ClassicSimilarity], result of:
              0.037876792 = score(doc=3851,freq=2.0), product of:
                0.16126883 = queryWeight, product of:
                  3.542962 = idf(docFreq=3476, maxDocs=44218)
                  0.045518078 = queryNorm
                0.23486741 = fieldWeight in 3851, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.542962 = idf(docFreq=3476, maxDocs=44218)
                  0.046875 = fieldNorm(doc=3851)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Online information 95: Proceedings of the 19th International online information meeting, London, 5-7 December 1995. Ed.: D.I. Raitt u. B. Jeapes
  12. Smith, M.P.; Pollitt, A.S.: Ranking and relevance feedback extensions to a view-based searching system (1995) 0.01
    0.009469198 = product of:
      0.018938396 = sum of:
        0.018938396 = product of:
          0.037876792 = sum of:
            0.037876792 = weight(_text_:b in 3855) [ClassicSimilarity], result of:
              0.037876792 = score(doc=3855,freq=2.0), product of:
                0.16126883 = queryWeight, product of:
                  3.542962 = idf(docFreq=3476, maxDocs=44218)
                  0.045518078 = queryNorm
                0.23486741 = fieldWeight in 3855, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.542962 = idf(docFreq=3476, maxDocs=44218)
                  0.046875 = fieldNorm(doc=3855)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Online information 95: Proceedings of the 19th International online information meeting, London, 5-7 December 1995. Ed.: D.I. Raitt u. B. Jeapes
  13. Ferret, O.; Grau, B.; Hurault-Plantet, M.; Illouz, G.; Jacquemin, C.; Monceaux, L.; Robba, I.; Vilnat, A.: How NLP can improve question answering (2002) 0.01
    0.009469198 = product of:
      0.018938396 = sum of:
        0.018938396 = product of:
          0.037876792 = sum of:
            0.037876792 = weight(_text_:b in 1850) [ClassicSimilarity], result of:
              0.037876792 = score(doc=1850,freq=2.0), product of:
                0.16126883 = queryWeight, product of:
                  3.542962 = idf(docFreq=3476, maxDocs=44218)
                  0.045518078 = queryNorm
                0.23486741 = fieldWeight in 1850, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.542962 = idf(docFreq=3476, maxDocs=44218)
                  0.046875 = fieldNorm(doc=1850)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  14. Mielke, B.: Wider einige gängige Ansichten zur juristischen Informationserschließung (2002) 0.01
    0.009469198 = product of:
      0.018938396 = sum of:
        0.018938396 = product of:
          0.037876792 = sum of:
            0.037876792 = weight(_text_:b in 2145) [ClassicSimilarity], result of:
              0.037876792 = score(doc=2145,freq=2.0), product of:
                0.16126883 = queryWeight, product of:
                  3.542962 = idf(docFreq=3476, maxDocs=44218)
                  0.045518078 = queryNorm
                0.23486741 = fieldWeight in 2145, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.542962 = idf(docFreq=3476, maxDocs=44218)
                  0.046875 = fieldNorm(doc=2145)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
  15. Petras, V.; Womser-Hacker, C.: Evaluation im Information Retrieval (2023) 0.01
    0.009469198 = product of:
      0.018938396 = sum of:
        0.018938396 = product of:
          0.037876792 = sum of:
            0.037876792 = weight(_text_:b in 808) [ClassicSimilarity], result of:
              0.037876792 = score(doc=808,freq=2.0), product of:
                0.16126883 = queryWeight, product of:
                  3.542962 = idf(docFreq=3476, maxDocs=44218)
                  0.045518078 = queryNorm
                0.23486741 = fieldWeight in 808, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.542962 = idf(docFreq=3476, maxDocs=44218)
                  0.046875 = fieldNorm(doc=808)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Abstract
    Das Ziel einer Evaluation ist die Überprüfung, ob bzw. in welchem Ausmaß ein Informationssystem die an das System gestellten Anforderungen erfüllt. Informationssysteme können aus verschiedenen Perspektiven evaluiert werden. Für eine ganzheitliche Evaluation (als Synonym wird auch Evaluierung benutzt), die unterschiedliche Qualitätsaspekte betrachtet (z. B. wie gut ein System relevante Dokumente rankt, wie schnell ein System die Suche durchführt, wie die Ergebnispräsentation gestaltet ist oder wie Suchende durch das System geführt werden) und die Erfüllung mehrerer Anforderungen überprüft, empfiehlt es sich, sowohl eine perspektivische als auch methodische Triangulation (d. h. der Einsatz von mehreren Ansätzen zur Qualitätsüberprüfung) vorzunehmen. Im Information Retrieval (IR) konzentriert sich die Evaluation auf die Qualitätseinschätzung der Suchfunktion eines Information-Retrieval-Systems (IRS), wobei oft zwischen systemzentrierter und nutzerzentrierter Evaluation unterschieden wird. Dieses Kapitel setzt den Fokus auf die systemzentrierte Evaluation, während andere Kapitel dieses Handbuchs andere Evaluationsansätze diskutieren (s. Kapitel C 4 Interaktives Information Retrieval, C 7 Cross-Language Information Retrieval und D 1 Information Behavior).
  16. Iivonen, M.: Consistency in the selection of search concepts and search terms (1995) 0.01
    0.009250606 = product of:
      0.018501213 = sum of:
        0.018501213 = product of:
          0.037002426 = sum of:
            0.037002426 = weight(_text_:22 in 1757) [ClassicSimilarity], result of:
              0.037002426 = score(doc=1757,freq=2.0), product of:
                0.15939656 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045518078 = queryNorm
                0.23214069 = fieldWeight in 1757, 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=1757)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Abstract
    Considers intersearcher and intrasearcher consistency in the selection of search terms. Based on an empirical study where 22 searchers from 4 different types of search environments analyzed altogether 12 search requests of 4 different types in 2 separate test situations between which 2 months elapsed. Statistically very significant differences in consistency were found according to the types of search environments and search requests. Consistency was also considered according to the extent of the scope of search concept. At level I search terms were compared character by character. At level II different search terms were accepted as the same search concept with a rather simple evaluation of linguistic expressions. At level III, in addition to level II, the hierarchical approach of the search request was also controlled. At level IV different search terms were accepted as the same search concept with a broad interpretation of the search concept. Both intersearcher and intrasearcher consistency grew most immediately after a rather simple evaluation of linguistic impressions
  17. Wood, F.; Ford, N.; Miller, D.; Sobczyk, G.; Duffin, R.: Information skills, searching behaviour and cognitive styles for student-centred learning : a computer-assisted learning approach (1996) 0.01
    0.009250606 = product of:
      0.018501213 = sum of:
        0.018501213 = product of:
          0.037002426 = sum of:
            0.037002426 = weight(_text_:22 in 4341) [ClassicSimilarity], result of:
              0.037002426 = score(doc=4341,freq=2.0), product of:
                0.15939656 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045518078 = queryNorm
                0.23214069 = fieldWeight in 4341, 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=4341)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Journal of information science. 22(1996) no.2, S.79-92
  18. Crestani, F.; Rijsbergen, C.J. van: Information retrieval by imaging (1996) 0.01
    0.009250606 = product of:
      0.018501213 = sum of:
        0.018501213 = product of:
          0.037002426 = sum of:
            0.037002426 = weight(_text_:22 in 6967) [ClassicSimilarity], result of:
              0.037002426 = score(doc=6967,freq=2.0), product of:
                0.15939656 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045518078 = queryNorm
                0.23214069 = fieldWeight in 6967, 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=6967)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Source
    Information retrieval: new systems and current research. Proceedings of the 16th Research Colloquium of the British Computer Society Information Retrieval Specialist Group, Drymen, Scotland, 22-23 Mar 94. Ed.: R. Leon
  19. Leininger, K.: Interindexer consistency in PsychINFO (2000) 0.01
    0.009250606 = product of:
      0.018501213 = sum of:
        0.018501213 = product of:
          0.037002426 = sum of:
            0.037002426 = weight(_text_:22 in 2552) [ClassicSimilarity], result of:
              0.037002426 = score(doc=2552,freq=2.0), product of:
                0.15939656 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045518078 = queryNorm
                0.23214069 = fieldWeight in 2552, 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=2552)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    9. 2.1997 18:44:22
  20. Reichert, S.; Mayr, P.: Untersuchung von Relevanzeigenschaften in einem kontrollierten Eyetracking-Experiment (2012) 0.01
    0.009250606 = product of:
      0.018501213 = sum of:
        0.018501213 = product of:
          0.037002426 = sum of:
            0.037002426 = weight(_text_:22 in 328) [ClassicSimilarity], result of:
              0.037002426 = score(doc=328,freq=2.0), product of:
                0.15939656 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045518078 = queryNorm
                0.23214069 = fieldWeight in 328, 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=328)
          0.5 = coord(1/2)
      0.5 = coord(1/2)
    
    Date
    22. 7.2012 19:25:54

Languages

  • e 44
  • d 8
  • f 1
  • More… Less…