Search (597 results, page 1 of 30)

  • × theme_ss:"Benutzerstudien"
  1. Stokmans, M.; Oomens, A.: Meer grasduinen door genreplaatsing? : genre- of alfabetische plaatsing: onderzoek naar verschillen in gebruikersgedrag (1997) 0.04
    0.038879152 = product of:
      0.077758305 = sum of:
        0.077758305 = sum of:
          0.021913894 = weight(_text_:m in 883) [ClassicSimilarity], result of:
            0.021913894 = score(doc=883,freq=2.0), product of:
              0.11386436 = queryWeight, product of:
                2.4884486 = idf(docFreq=9980, maxDocs=44218)
                0.045757167 = queryNorm
              0.19245613 = fieldWeight in 883, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                2.4884486 = idf(docFreq=9980, maxDocs=44218)
                0.0546875 = fieldNorm(doc=883)
          0.012448162 = weight(_text_:a in 883) [ClassicSimilarity], result of:
            0.012448162 = score(doc=883,freq=14.0), product of:
              0.05276016 = queryWeight, product of:
                1.153047 = idf(docFreq=37942, maxDocs=44218)
                0.045757167 = queryNorm
              0.23593865 = fieldWeight in 883, product of:
                3.7416575 = tf(freq=14.0), with freq of:
                  14.0 = termFreq=14.0
                1.153047 = idf(docFreq=37942, maxDocs=44218)
                0.0546875 = fieldNorm(doc=883)
          0.04339625 = weight(_text_:22 in 883) [ClassicSimilarity], result of:
            0.04339625 = score(doc=883,freq=2.0), product of:
              0.1602338 = queryWeight, product of:
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.045757167 = queryNorm
              0.2708308 = fieldWeight in 883, 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=883)
      0.5 = coord(1/2)
    
    Abstract
    As part of her doctoral dissertation at Brabant Catholic University in the Netherlands A. Oomens recently held a survey to determine the relative merits of author and subject arrangements for non fiction collections. Although users browsing through the collections were more likely to find material of interest via a subject arrangement, those looking for a particular title were best served by an author arrangement. All users interviewed preferred the arrangement with which they were familiar
    Footnote
    Übers. d. Titels: Subject arrangement assists browsing?: subject versus alphabetical arrangement: a study in differences in user behavious
    Source
    BibliotheekBlad. 1(1997) no.21, S.22-23
    Type
    a
  2. Okoli, C.; Mehdi, M.; Mesgari, M.; Nielsen, F.A.; Lanamäki, A.: Wikipedia in the eyes of its beholders : a systematic review of scholarly research on Wikipedia readers and readership (2014) 0.04
    0.0368194 = product of:
      0.0736388 = sum of:
        0.0736388 = sum of:
          0.026563652 = weight(_text_:m in 1540) [ClassicSimilarity], result of:
            0.026563652 = score(doc=1540,freq=4.0), product of:
              0.11386436 = queryWeight, product of:
                2.4884486 = idf(docFreq=9980, maxDocs=44218)
                0.045757167 = queryNorm
              0.23329206 = fieldWeight in 1540, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                2.4884486 = idf(docFreq=9980, maxDocs=44218)
                0.046875 = fieldNorm(doc=1540)
          0.009878363 = weight(_text_:a in 1540) [ClassicSimilarity], result of:
            0.009878363 = score(doc=1540,freq=12.0), product of:
              0.05276016 = queryWeight, product of:
                1.153047 = idf(docFreq=37942, maxDocs=44218)
                0.045757167 = queryNorm
              0.18723148 = fieldWeight in 1540, product of:
                3.4641016 = tf(freq=12.0), with freq of:
                  12.0 = termFreq=12.0
                1.153047 = idf(docFreq=37942, maxDocs=44218)
                0.046875 = fieldNorm(doc=1540)
          0.037196785 = weight(_text_:22 in 1540) [ClassicSimilarity], result of:
            0.037196785 = score(doc=1540,freq=2.0), product of:
              0.1602338 = queryWeight, product of:
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.045757167 = queryNorm
              0.23214069 = fieldWeight in 1540, 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=1540)
      0.5 = coord(1/2)
    
    Abstract
    Hundreds of scholarly studies have investigated various aspects of Wikipedia. Although a number of literature reviews have provided overviews of this vast body of research, none has specifically focused on the readers of Wikipedia and issues concerning its readership. In this systematic literature review, we review 99 studies to synthesize current knowledge regarding the readership of Wikipedia and provide an analysis of research methods employed. The scholarly research has found that Wikipedia is popular not only for lighter topics such as entertainment but also for more serious topics such as health and legal information. Scholars, librarians, and students are common users, and Wikipedia provides a unique opportunity for educating students in digital literacy. We conclude with a summary of key findings, implications for researchers, and implications for the Wikipedia community.
    Date
    18.11.2014 13:22:03
    Type
    a
  3. Witt, M.: Survey on the use of the catalogue at the Mediatheque of the Cité des Sciences et de l'Industrie (CSI) (1993) 0.04
    0.035981983 = product of:
      0.071963966 = sum of:
        0.071963966 = sum of:
          0.021913894 = weight(_text_:m in 7914) [ClassicSimilarity], result of:
            0.021913894 = score(doc=7914,freq=2.0), product of:
              0.11386436 = queryWeight, product of:
                2.4884486 = idf(docFreq=9980, maxDocs=44218)
                0.045757167 = queryNorm
              0.19245613 = fieldWeight in 7914, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                2.4884486 = idf(docFreq=9980, maxDocs=44218)
                0.0546875 = fieldNorm(doc=7914)
          0.0066538225 = weight(_text_:a in 7914) [ClassicSimilarity], result of:
            0.0066538225 = score(doc=7914,freq=4.0), product of:
              0.05276016 = queryWeight, product of:
                1.153047 = idf(docFreq=37942, maxDocs=44218)
                0.045757167 = queryNorm
              0.12611452 = fieldWeight in 7914, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                1.153047 = idf(docFreq=37942, maxDocs=44218)
                0.0546875 = fieldNorm(doc=7914)
          0.04339625 = weight(_text_:22 in 7914) [ClassicSimilarity], result of:
            0.04339625 = score(doc=7914,freq=2.0), product of:
              0.1602338 = queryWeight, product of:
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.045757167 = queryNorm
              0.2708308 = fieldWeight in 7914, 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=7914)
      0.5 = coord(1/2)
    
    Abstract
    The library of the Cité des Sciences et de l'industrie attracts 4.000 visitors daily of whom 25% consult the GEAC system OPAC. Describes a 1992 survey consisting of online questions followed by an interview. The questionnaires were adapted from ones used in the UK and utilised OLIVE (Online Interactive Validation and Evaluation). While difficulties arose from users' inconsistency in their replies and failures to answer questions, it has become clear that subject access is unsatisfactory, sometimes because of mistyping by the searcher but also because of the vocabulary problems and lack of guidance in search strategies
    Source
    International cataloguing and bibliographic control. 22(1993) no.4, S.68-71
    Type
    a
  4. Scholle, U.: Kann ich Ihnen behilflich sein? : Erhebung am zentralen Auskunftsplatz der ULB Münster (2000) 0.03
    0.032067478 = product of:
      0.064134955 = sum of:
        0.064134955 = product of:
          0.096202426 = sum of:
            0.009409925 = weight(_text_:a in 7585) [ClassicSimilarity], result of:
              0.009409925 = score(doc=7585,freq=2.0), product of:
                0.05276016 = queryWeight, product of:
                  1.153047 = idf(docFreq=37942, maxDocs=44218)
                  0.045757167 = queryNorm
                0.17835285 = fieldWeight in 7585, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.153047 = idf(docFreq=37942, maxDocs=44218)
                  0.109375 = fieldNorm(doc=7585)
            0.0867925 = weight(_text_:22 in 7585) [ClassicSimilarity], result of:
              0.0867925 = score(doc=7585,freq=2.0), product of:
                0.1602338 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045757167 = queryNorm
                0.5416616 = fieldWeight in 7585, 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=7585)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Date
    22. 1.2000 17:52:11
    Type
    a
  5. Branch, J.L.: Investigating the information-seeking process of adolescents : the value of using think alouds and think afters (2000) 0.03
    0.032067478 = product of:
      0.064134955 = sum of:
        0.064134955 = product of:
          0.096202426 = sum of:
            0.009409925 = weight(_text_:a in 3924) [ClassicSimilarity], result of:
              0.009409925 = score(doc=3924,freq=2.0), product of:
                0.05276016 = queryWeight, product of:
                  1.153047 = idf(docFreq=37942, maxDocs=44218)
                  0.045757167 = queryNorm
                0.17835285 = fieldWeight in 3924, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.153047 = idf(docFreq=37942, maxDocs=44218)
                  0.109375 = fieldNorm(doc=3924)
            0.0867925 = weight(_text_:22 in 3924) [ClassicSimilarity], result of:
              0.0867925 = score(doc=3924,freq=2.0), product of:
                0.1602338 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045757167 = queryNorm
                0.5416616 = fieldWeight in 3924, 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=3924)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Source
    Library and information science research. 22(2000) no.4, S.371-382
    Type
    a
  6. Aloteibi, S.; Sanderson, M.: Analyzing geographic query reformulation : an exploratory study (2014) 0.03
    0.028638765 = product of:
      0.05727753 = sum of:
        0.05727753 = sum of:
          0.015652781 = weight(_text_:m in 1177) [ClassicSimilarity], result of:
            0.015652781 = score(doc=1177,freq=2.0), product of:
              0.11386436 = queryWeight, product of:
                2.4884486 = idf(docFreq=9980, maxDocs=44218)
                0.045757167 = queryNorm
              0.13746867 = fieldWeight in 1177, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                2.4884486 = idf(docFreq=9980, maxDocs=44218)
                0.0390625 = fieldNorm(doc=1177)
          0.010627427 = weight(_text_:a in 1177) [ClassicSimilarity], result of:
            0.010627427 = score(doc=1177,freq=20.0), product of:
              0.05276016 = queryWeight, product of:
                1.153047 = idf(docFreq=37942, maxDocs=44218)
                0.045757167 = queryNorm
              0.20142901 = fieldWeight in 1177, product of:
                4.472136 = tf(freq=20.0), with freq of:
                  20.0 = termFreq=20.0
                1.153047 = idf(docFreq=37942, maxDocs=44218)
                0.0390625 = fieldNorm(doc=1177)
          0.030997321 = weight(_text_:22 in 1177) [ClassicSimilarity], result of:
            0.030997321 = score(doc=1177,freq=2.0), product of:
              0.1602338 = queryWeight, product of:
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.045757167 = queryNorm
              0.19345059 = fieldWeight in 1177, 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=1177)
      0.5 = coord(1/2)
    
    Abstract
    Search engine users typically engage in multiquery sessions in their quest to fulfill their information needs. Despite a plethora of research findings suggesting that a significant group of users look for information within a specific geographical scope, existing reformulation studies lack a focused analysis of how users reformulate geographic queries. This study comprehensively investigates the ways in which users reformulate such needs in an attempt to fill this gap in the literature. Reformulated sessions were sampled from a query log of a major search engine to extract 2,400 entries that were manually inspected to filter geo sessions. This filter identified 471 search sessions that included geographical intent, and these sessions were analyzed quantitatively and qualitatively. The results revealed that one in five of the users who reformulated their queries were looking for geographically related information. They reformulated their queries by changing the content of the query rather than the structure. Users were not following a unified sequence of modifications and instead performed a single reformulation action. However, in some cases it was possible to anticipate their next move. A number of tasks in geo modifications were identified, including standard, multi-needs, multi-places, and hybrid approaches. The research concludes that it is important to specialize query reformulation studies to focus on particular query types rather than generically analyzing them, as it is apparent that geographic queries have their special reformulation characteristics.
    Date
    26. 1.2014 18:48:22
    Type
    a
  7. Yoo, E.-Y.; Robbins, L.S.: Understanding middle-aged women's health information seeking on the web : a theoretical approach (2008) 0.03
    0.028600043 = product of:
      0.057200085 = sum of:
        0.057200085 = product of:
          0.085800126 = sum of:
            0.011406552 = weight(_text_:a in 2973) [ClassicSimilarity], result of:
              0.011406552 = score(doc=2973,freq=4.0), product of:
                0.05276016 = queryWeight, product of:
                  1.153047 = idf(docFreq=37942, maxDocs=44218)
                  0.045757167 = queryNorm
                0.2161963 = fieldWeight in 2973, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  1.153047 = idf(docFreq=37942, maxDocs=44218)
                  0.09375 = fieldNorm(doc=2973)
            0.07439357 = weight(_text_:22 in 2973) [ClassicSimilarity], result of:
              0.07439357 = score(doc=2973,freq=2.0), product of:
                0.1602338 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045757167 = queryNorm
                0.46428138 = fieldWeight in 2973, 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=2973)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Date
    9. 2.2008 17:52:22
    Type
    a
  8. Westman, S.; Laine-Hernandez, M.; Oittinen, P.: Development and evaluation of a multifaceted magazine image categorization model (2011) 0.03
    0.027441036 = product of:
      0.054882072 = sum of:
        0.054882072 = sum of:
          0.015652781 = weight(_text_:m in 4193) [ClassicSimilarity], result of:
            0.015652781 = score(doc=4193,freq=2.0), product of:
              0.11386436 = queryWeight, product of:
                2.4884486 = idf(docFreq=9980, maxDocs=44218)
                0.045757167 = queryNorm
              0.13746867 = fieldWeight in 4193, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                2.4884486 = idf(docFreq=9980, maxDocs=44218)
                0.0390625 = fieldNorm(doc=4193)
          0.00823197 = weight(_text_:a in 4193) [ClassicSimilarity], result of:
            0.00823197 = score(doc=4193,freq=12.0), product of:
              0.05276016 = queryWeight, product of:
                1.153047 = idf(docFreq=37942, maxDocs=44218)
                0.045757167 = queryNorm
              0.15602624 = fieldWeight in 4193, product of:
                3.4641016 = tf(freq=12.0), with freq of:
                  12.0 = termFreq=12.0
                1.153047 = idf(docFreq=37942, maxDocs=44218)
                0.0390625 = fieldNorm(doc=4193)
          0.030997321 = weight(_text_:22 in 4193) [ClassicSimilarity], result of:
            0.030997321 = score(doc=4193,freq=2.0), product of:
              0.1602338 = queryWeight, product of:
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.045757167 = queryNorm
              0.19345059 = fieldWeight in 4193, 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=4193)
      0.5 = coord(1/2)
    
    Abstract
    The development of visual retrieval methods requires information about user interaction with images, including their description and categorization. This article presents the development of a categorization model for magazine images based on two user studies. In Study 1, we elicited 10 main classes of magazine image categorization criteria through sorting tasks with nonexpert and expert users (N=30). Multivariate methods, namely, multidimensional scaling and hierarchical clustering, were used to analyze similarity data. Content analysis of category names gave rise to classes that were synthesized into a categorization framework. The framework was evaluated in Study 2 by experts (N=24) who categorized another set of images consistent with the framework and found it to be useful in the task. Based on the evaluation study the framework was solidified into a model for categorizing magazine imagery. Connections between classes were analyzed both from the original sorting data and from the evaluation study and included into the final model. The model is a practical categorization tool that may be used in workplaces, such as magazine editorial offices. It may also serve to guide the development of computational methods for image understanding, selection of concepts for automatic detection, and approaches to support browsing and exploratory image search.
    Date
    22. 1.2011 14:09:26
    Type
    a
  9. Ennis, M.; Sutcliffe, A.G.; Watkinson, S.J.: Towards a predictive model of information seeking : empirical studies of end-user-searching (1999) 0.02
    0.022216659 = product of:
      0.044433318 = sum of:
        0.044433318 = sum of:
          0.012522225 = weight(_text_:m in 296) [ClassicSimilarity], result of:
            0.012522225 = score(doc=296,freq=2.0), product of:
              0.11386436 = queryWeight, product of:
                2.4884486 = idf(docFreq=9980, maxDocs=44218)
                0.045757167 = queryNorm
              0.10997493 = fieldWeight in 296, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                2.4884486 = idf(docFreq=9980, maxDocs=44218)
                0.03125 = fieldNorm(doc=296)
          0.007113235 = weight(_text_:a in 296) [ClassicSimilarity], result of:
            0.007113235 = score(doc=296,freq=14.0), product of:
              0.05276016 = queryWeight, product of:
                1.153047 = idf(docFreq=37942, maxDocs=44218)
                0.045757167 = queryNorm
              0.13482209 = fieldWeight in 296, product of:
                3.7416575 = tf(freq=14.0), with freq of:
                  14.0 = termFreq=14.0
                1.153047 = idf(docFreq=37942, maxDocs=44218)
                0.03125 = fieldNorm(doc=296)
          0.024797857 = weight(_text_:22 in 296) [ClassicSimilarity], result of:
            0.024797857 = score(doc=296,freq=2.0), product of:
              0.1602338 = queryWeight, product of:
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.045757167 = queryNorm
              0.15476047 = fieldWeight in 296, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.03125 = fieldNorm(doc=296)
      0.5 = coord(1/2)
    
    Abstract
    Previous empirical studies of searcher behaviour have drawn attention to a wide variety of factors that affect performance; for instance, the display of retrieved results can alter search strategies (Allen 1991, 1994), the information need type influences search behaviour, (Elkerton et al 1984, Marchionini 1995); while the task complexity, reflected in the information need can affect user's search behaviour (Large et al 1994). Furthermore, information source selection (Bassilli 1977), and the user's model of the system and domain impact on the search process (Michel 1994); while motivation (Solomon 1993, Jacobsen et al 1992) and the importance of the information need (Wendt 1969) also influence search duration and the effort a user will employ. Rouse and Rouse (1984) in a review of empirical studies, summarise a wide variety of variables that can effect searching behaviour, including payoff, costs of searching, resource available, amount of information sought, characteristics of the data and conflicts between documents. It appears that user behaviour is inconsistent in the search strategies adopted even for the same search need and system (Davidson 1977, Iivonen 1995). Theories of searcher behaviour have been proposed that provide explanations of aspects of end-user behaviour, such as the evolution of the user's information need and the problems of articulating a query, [Bates (1979, 1989), Markey and Atherton 1978], effective search strategies in browsing and goal directed searches [Marchionini 1995, Belkin (1987, 1993)], the linguistic problem of matching search terms with indexing terms or content of target documents through an expert intermediary (Ingwersen 1982) or cognitive aspects of IR (Kulthau 1984, Ingwersen 1996).
    Date
    22. 3.2002 9:54:13
    Type
    a
  10. Griesbaum, J.; Mahrholz, N.; Kiedrowski, K. von Löwe; Rittberger, M.: Knowledge generation in online forums : a case study in the German educational domain (2015) 0.02
    0.02166593 = product of:
      0.04333186 = sum of:
        0.04333186 = sum of:
          0.012522225 = weight(_text_:m in 4440) [ClassicSimilarity], result of:
            0.012522225 = score(doc=4440,freq=2.0), product of:
              0.11386436 = queryWeight, product of:
                2.4884486 = idf(docFreq=9980, maxDocs=44218)
                0.045757167 = queryNorm
              0.10997493 = fieldWeight in 4440, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                2.4884486 = idf(docFreq=9980, maxDocs=44218)
                0.03125 = fieldNorm(doc=4440)
          0.006011781 = weight(_text_:a in 4440) [ClassicSimilarity], result of:
            0.006011781 = score(doc=4440,freq=10.0), product of:
              0.05276016 = queryWeight, product of:
                1.153047 = idf(docFreq=37942, maxDocs=44218)
                0.045757167 = queryNorm
              0.11394546 = fieldWeight in 4440, product of:
                3.1622777 = tf(freq=10.0), with freq of:
                  10.0 = termFreq=10.0
                1.153047 = idf(docFreq=37942, maxDocs=44218)
                0.03125 = fieldNorm(doc=4440)
          0.024797857 = weight(_text_:22 in 4440) [ClassicSimilarity], result of:
            0.024797857 = score(doc=4440,freq=2.0), product of:
              0.1602338 = queryWeight, product of:
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.045757167 = queryNorm
              0.15476047 = fieldWeight in 4440, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.5018296 = idf(docFreq=3622, maxDocs=44218)
                0.03125 = fieldNorm(doc=4440)
      0.5 = coord(1/2)
    
    Abstract
    Purpose - The purpose of this paper is to get a first approximation of the usefulness of online forums with regard to information seeking and knowledge generation. Design/methodology/approach - This study captures the characteristics of knowledge generation by examining the pragmatics and types of information needs of posted questions and by investigating knowledge related characteristics of discussion posts as well as the success of communication. Three online forums were examined. The data set consists of 55 threads, containing 533 posts which were categorized manually by two researchers. Findings - Results show that questioners often ask for personal estimations. Information needs often aim for actionable insights or uncertainty reduction. With regard to answers, factual information is the dominant content type and has the highest knowledge value as it is the strongest predictor with regard to the generation of new knowledge. Opinions are also relevant, but in a rather subsequent and complementary way. Emotional aspects are scarcely observed. Overall, results indicate that knowledge creation predominantly follows a socio-cultural paradigm of knowledge exchange. Research limitations/implications - Although the investigation captures important aspects of knowledge building processes, the measurement of the forums' knowledge value is still rather limited. Success is only partly measurable with the current scheme. The central coding category "new topical knowledge" is only of nominal value and therefore not able to compare different kinds of knowledge gains in the course of discussion. Originality/value - The investigation reaches out beyond studies that do not consider that the role and relevance of posts is dependent on the state of the discussion. Furthermore, the paper integrates two perspectives of knowledge value: the success of the questioner with regard to the expressed information need and the knowledge building value for communicants and readers.
    Date
    20. 1.2015 18:30:22
    Type
    a
  11. Tomney, H.; Burton, P.F.: Electronic journals : a case study of usage and attitudes among academics (1998) 0.02
    0.020116638 = product of:
      0.040233277 = sum of:
        0.040233277 = product of:
          0.06034991 = sum of:
            0.0107542 = weight(_text_:a in 3687) [ClassicSimilarity], result of:
              0.0107542 = score(doc=3687,freq=8.0), product of:
                0.05276016 = queryWeight, product of:
                  1.153047 = idf(docFreq=37942, maxDocs=44218)
                  0.045757167 = queryNorm
                0.20383182 = fieldWeight in 3687, product of:
                  2.828427 = tf(freq=8.0), with freq of:
                    8.0 = termFreq=8.0
                  1.153047 = idf(docFreq=37942, maxDocs=44218)
                  0.0625 = fieldNorm(doc=3687)
            0.049595714 = weight(_text_:22 in 3687) [ClassicSimilarity], result of:
              0.049595714 = score(doc=3687,freq=2.0), product of:
                0.1602338 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045757167 = queryNorm
                0.30952093 = fieldWeight in 3687, 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=3687)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Abstract
    Reports results of a questionnaire survey to assess the attitudes of scholarly users towards electronic journals and examines the current level of use of these publications by university academics in 2 departments in each of 5 faculties of a UK university
    Date
    22. 5.1999 19:07:29
    Type
    a
  12. Gremett, P.: Utilizing a user's context to improve search results (2006) 0.02
    0.019636376 = product of:
      0.03927275 = sum of:
        0.03927275 = product of:
          0.058909126 = sum of:
            0.009313411 = weight(_text_:a in 5299) [ClassicSimilarity], result of:
              0.009313411 = score(doc=5299,freq=6.0), product of:
                0.05276016 = queryWeight, product of:
                  1.153047 = idf(docFreq=37942, maxDocs=44218)
                  0.045757167 = queryNorm
                0.17652355 = fieldWeight in 5299, product of:
                  2.4494898 = tf(freq=6.0), with freq of:
                    6.0 = termFreq=6.0
                  1.153047 = idf(docFreq=37942, maxDocs=44218)
                  0.0625 = fieldNorm(doc=5299)
            0.049595714 = weight(_text_:22 in 5299) [ClassicSimilarity], result of:
              0.049595714 = score(doc=5299,freq=2.0), product of:
                0.1602338 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045757167 = queryNorm
                0.30952093 = fieldWeight in 5299, 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=5299)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Abstract
    Usability evaluations and observations of users shopping at Amazon.com (http://www.amazon.com) revealed some interesting user behaviors. The mixed behavior patterns were leveraged to create an interface for an e-commerce product. The author describes some design practices for providing a scoped search interface for an e-commerce site.
    Date
    22. 7.2006 18:17:44
    Type
    a
  13. Wallace, P.M.: Periodical title searching in online catalogues (1997) 0.02
    0.019066695 = product of:
      0.03813339 = sum of:
        0.03813339 = product of:
          0.05720008 = sum of:
            0.007604368 = weight(_text_:a in 1628) [ClassicSimilarity], result of:
              0.007604368 = score(doc=1628,freq=4.0), product of:
                0.05276016 = queryWeight, product of:
                  1.153047 = idf(docFreq=37942, maxDocs=44218)
                  0.045757167 = queryNorm
                0.14413087 = fieldWeight in 1628, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  1.153047 = idf(docFreq=37942, maxDocs=44218)
                  0.0625 = fieldNorm(doc=1628)
            0.049595714 = weight(_text_:22 in 1628) [ClassicSimilarity], result of:
              0.049595714 = score(doc=1628,freq=2.0), product of:
                0.1602338 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045757167 = queryNorm
                0.30952093 = fieldWeight in 1628, 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=1628)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Abstract
    Reports on a dramatic shift from subject to periodical title searching at Colorado University Libraries. States possible reasons for the change, examines problems encountered by users with searching the periodical title index and suggests how this change in online catalogue searching may affect future catalogue design and bibliographic instruction
    Date
    29. 7.1998 10:57:22
    Type
    a
  14. Kaske, N.K.: ¬A comparative study of subject searching in an OPAC among branch libraries of a university library system (1988) 0.02
    0.018614804 = product of:
      0.03722961 = sum of:
        0.03722961 = product of:
          0.05584441 = sum of:
            0.012448162 = weight(_text_:a in 760) [ClassicSimilarity], result of:
              0.012448162 = score(doc=760,freq=14.0), product of:
                0.05276016 = queryWeight, product of:
                  1.153047 = idf(docFreq=37942, maxDocs=44218)
                  0.045757167 = queryNorm
                0.23593865 = fieldWeight in 760, product of:
                  3.7416575 = tf(freq=14.0), with freq of:
                    14.0 = termFreq=14.0
                  1.153047 = idf(docFreq=37942, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=760)
            0.04339625 = weight(_text_:22 in 760) [ClassicSimilarity], result of:
              0.04339625 = score(doc=760,freq=2.0), product of:
                0.1602338 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045757167 = queryNorm
                0.2708308 = fieldWeight in 760, 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=760)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Abstract
    The degree of variability in the percentage of subject searching in an online public access catalog (OPAC) among branch libraries of one university was studied. A full semester's worth of transactions was analyzed, not sampled. The time units used were hour of the day, day of the week, and week of the semester. The findings show that subject searching varies from a low of 22% to a high of 74% over the hours of a day. Variability for the days of the week ranged from 17% to 64%, and for the weeks of the semester variability ranged from 12% to 70%. Valuable management information on the utilization of the OPAC within each brach library and among all the branch libraries is provided through numerous charts and graphs.
    Type
    a
  15. Moulaison, H.L.: OPAC queries at a medium-sized academic library : a transaction log analysis (2008) 0.02
    0.018614804 = product of:
      0.03722961 = sum of:
        0.03722961 = product of:
          0.05584441 = sum of:
            0.012448162 = weight(_text_:a in 3599) [ClassicSimilarity], result of:
              0.012448162 = score(doc=3599,freq=14.0), product of:
                0.05276016 = queryWeight, product of:
                  1.153047 = idf(docFreq=37942, maxDocs=44218)
                  0.045757167 = queryNorm
                0.23593865 = fieldWeight in 3599, product of:
                  3.7416575 = tf(freq=14.0), with freq of:
                    14.0 = termFreq=14.0
                  1.153047 = idf(docFreq=37942, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=3599)
            0.04339625 = weight(_text_:22 in 3599) [ClassicSimilarity], result of:
              0.04339625 = score(doc=3599,freq=2.0), product of:
                0.1602338 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045757167 = queryNorm
                0.2708308 = fieldWeight in 3599, 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=3599)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Abstract
    Patron queries at a four-year comprehensive college's online public access catalog were examined via transaction logs from March 2007. Three representative days were isolated for a more detailed examination of search characteristics. The results show that library users employed an average of one to three terms in a search, did not use Boolean operators, and made use of limits one-tenth of the time. Failed queries remained problematic, as a full one-third of searches resulted in zero hits. Implications and recommendations for improvements in the online public access catalog are discussed.
    Date
    10. 9.2000 17:38:22
    Type
    a
  16. Schneider, R.: OPACs, Benutzer und das Web (2009) 0.02
    0.01832427 = product of:
      0.03664854 = sum of:
        0.03664854 = product of:
          0.054972813 = sum of:
            0.0053771 = weight(_text_:a in 2905) [ClassicSimilarity], result of:
              0.0053771 = score(doc=2905,freq=2.0), product of:
                0.05276016 = queryWeight, product of:
                  1.153047 = idf(docFreq=37942, maxDocs=44218)
                  0.045757167 = queryNorm
                0.10191591 = fieldWeight in 2905, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.153047 = idf(docFreq=37942, maxDocs=44218)
                  0.0625 = fieldNorm(doc=2905)
            0.049595714 = weight(_text_:22 in 2905) [ClassicSimilarity], result of:
              0.049595714 = score(doc=2905,freq=2.0), product of:
                0.1602338 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045757167 = queryNorm
                0.30952093 = fieldWeight in 2905, 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=2905)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Date
    22. 2.2009 18:50:43
    Type
    a
  17. Meadow, C.T.: Speculations on the measurement and use of user characteristics in information retrieval experimentation (1994) 0.02
    0.017972289 = product of:
      0.035944577 = sum of:
        0.035944577 = product of:
          0.053916864 = sum of:
            0.010520617 = weight(_text_:a in 1795) [ClassicSimilarity], result of:
              0.010520617 = score(doc=1795,freq=10.0), product of:
                0.05276016 = queryWeight, product of:
                  1.153047 = idf(docFreq=37942, maxDocs=44218)
                  0.045757167 = queryNorm
                0.19940455 = fieldWeight in 1795, product of:
                  3.1622777 = tf(freq=10.0), with freq of:
                    10.0 = termFreq=10.0
                  1.153047 = idf(docFreq=37942, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=1795)
            0.04339625 = weight(_text_:22 in 1795) [ClassicSimilarity], result of:
              0.04339625 = score(doc=1795,freq=2.0), product of:
                0.1602338 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045757167 = queryNorm
                0.2708308 = fieldWeight in 1795, 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=1795)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Abstract
    Presents a recently composite view of several user studies in information retrieval. Contains personal conclusions and speculations based on these studies, rather than formal statistical results, which so often are not comparable from 1 experiment to another. Suggests a taxonomy of user characteristics for such studies, in order to make results comparable. Discusses methods and effects of user training, then manner of expression of a query or information need, conduct of a search, use of the system command language or its equivalent, analysis by the user of retrieved information, and user satisfaction with outcome. Concludes with suggestions for system design and experimental methodology
    Source
    Canadian journal of information and library science. 19(1994) no.4, S.1-22
    Type
    a
  18. Tinschert, H.: Untersuchungen zum Informationsverhalten von Studenten am Schlagwortkatalog der Staats- und Universitätsbibliothek Hamburg (1974) 0.02
    0.017745905 = product of:
      0.03549181 = sum of:
        0.03549181 = product of:
          0.053237714 = sum of:
            0.043827787 = weight(_text_:m in 1588) [ClassicSimilarity], result of:
              0.043827787 = score(doc=1588,freq=2.0), product of:
                0.11386436 = queryWeight, product of:
                  2.4884486 = idf(docFreq=9980, maxDocs=44218)
                  0.045757167 = queryNorm
                0.38491225 = fieldWeight in 1588, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  2.4884486 = idf(docFreq=9980, maxDocs=44218)
                  0.109375 = fieldNorm(doc=1588)
            0.009409925 = weight(_text_:a in 1588) [ClassicSimilarity], result of:
              0.009409925 = score(doc=1588,freq=2.0), product of:
                0.05276016 = queryWeight, product of:
                  1.153047 = idf(docFreq=37942, maxDocs=44218)
                  0.045757167 = queryNorm
                0.17835285 = fieldWeight in 1588, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  1.153047 = idf(docFreq=37942, maxDocs=44218)
                  0.109375 = fieldNorm(doc=1588)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Series
    Schriftenreihe der Bibliothekar-Lehrinstitute: Reihe A: Examensarbeiten; H.17/18
    Type
    m
  19. Berger, F.C.; Hofstede, A.H.M. ter; Van der Weide, T.P.: Supporting query by navigation (1996) 0.02
    0.01760206 = product of:
      0.03520412 = sum of:
        0.03520412 = product of:
          0.052806176 = sum of:
            0.009409925 = weight(_text_:a in 6966) [ClassicSimilarity], result of:
              0.009409925 = score(doc=6966,freq=8.0), product of:
                0.05276016 = queryWeight, product of:
                  1.153047 = idf(docFreq=37942, maxDocs=44218)
                  0.045757167 = queryNorm
                0.17835285 = fieldWeight in 6966, product of:
                  2.828427 = tf(freq=8.0), with freq of:
                    8.0 = termFreq=8.0
                  1.153047 = idf(docFreq=37942, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=6966)
            0.04339625 = weight(_text_:22 in 6966) [ClassicSimilarity], result of:
              0.04339625 = score(doc=6966,freq=2.0), product of:
                0.1602338 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045757167 = queryNorm
                0.2708308 = fieldWeight in 6966, 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=6966)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Abstract
    Describes the technique used to study hypertext systems from a very general point of view, focus on monitoring searchers' behaviour, predict the estimation of the ultimate goals of the searchers, and estimate the searchers' determination to find these goals. The components are combined via a Markov chain approach so as to study information retrieval in general and hypertext (hypermedia) in particular. Demonstrates how these estimations can be used to assist searchers during their searching process and presents the derivation of a relevance function for documents, based on these estimations
    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
    Type
    a
  20. Fidel, R.: ¬The user-centered approach (2000) 0.02
    0.0154048195 = product of:
      0.030809639 = sum of:
        0.030809639 = product of:
          0.046214458 = sum of:
            0.009017671 = weight(_text_:a in 917) [ClassicSimilarity], result of:
              0.009017671 = score(doc=917,freq=10.0), product of:
                0.05276016 = queryWeight, product of:
                  1.153047 = idf(docFreq=37942, maxDocs=44218)
                  0.045757167 = queryNorm
                0.1709182 = fieldWeight in 917, product of:
                  3.1622777 = tf(freq=10.0), with freq of:
                    10.0 = termFreq=10.0
                  1.153047 = idf(docFreq=37942, maxDocs=44218)
                  0.046875 = fieldNorm(doc=917)
            0.037196785 = weight(_text_:22 in 917) [ClassicSimilarity], result of:
              0.037196785 = score(doc=917,freq=2.0), product of:
                0.1602338 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045757167 = queryNorm
                0.23214069 = fieldWeight in 917, 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=917)
          0.6666667 = coord(2/3)
      0.5 = coord(1/2)
    
    Abstract
    I started my professional career in library and information science because of my great interest in knowledge organization. The more experience I gained in the profession, the more I realized how crucial it is to understand which organization would be best for each group of users. This in turn requires an understanding of how users seek information. And so now my focus is an studying information seeking and searching behavior. Throughout the relatively long course of changing my focus, I followed Pauline Cochrane's writings. Now I can say that she has been among the first to have a "user-centered approach" to knowledge organization, and she has used the term three years before it became a mainstream phrase. The following is a short discussion about the usercentered approach which was presented in a workshop in 1997.
    Date
    22. 9.1997 19:16:05
    Type
    a

Languages

Types

  • a 570
  • m 11
  • el 9
  • r 9
  • b 2
  • p 1
  • s 1
  • x 1
  • More… Less…