Search (17 results, page 1 of 1)

  • × language_ss:"e"
  • × theme_ss:"Informetrie"
  • × theme_ss:"Internet"
  1. Neth, M.: Citation analysis and the Web (1998) 0.01
    0.012832801 = product of:
      0.051331203 = sum of:
        0.051331203 = product of:
          0.0769968 = sum of:
            0.038672343 = weight(_text_:29 in 108) [ClassicSimilarity], result of:
              0.038672343 = score(doc=108,freq=2.0), product of:
                0.14214782 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.040409453 = queryNorm
                0.27205724 = fieldWeight in 108, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.0546875 = fieldNorm(doc=108)
            0.03832446 = weight(_text_:22 in 108) [ClassicSimilarity], result of:
              0.03832446 = score(doc=108,freq=2.0), product of:
                0.14150701 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.040409453 = queryNorm
                0.2708308 = fieldWeight in 108, 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=108)
          0.6666667 = coord(2/3)
      0.25 = coord(1/4)
    
    Date
    10. 1.1999 16:22:37
    Source
    Art documentation. 17(1998) no.1, S.29-33
  2. Tonta, Y.: Scholarly communication and the use of networked information sources (1996) 0.01
    0.011643264 = product of:
      0.023286529 = sum of:
        0.0123366825 = product of:
          0.024673365 = sum of:
            0.024673365 = weight(_text_:online in 6389) [ClassicSimilarity], result of:
              0.024673365 = score(doc=6389,freq=2.0), product of:
                0.1226387 = queryWeight, product of:
                  3.0349014 = idf(docFreq=5778, maxDocs=44218)
                  0.040409453 = queryNorm
                0.20118743 = fieldWeight in 6389, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.0349014 = idf(docFreq=5778, maxDocs=44218)
                  0.046875 = fieldNorm(doc=6389)
          0.5 = coord(1/2)
        0.010949845 = product of:
          0.032849535 = sum of:
            0.032849535 = weight(_text_:22 in 6389) [ClassicSimilarity], result of:
              0.032849535 = score(doc=6389,freq=2.0), product of:
                0.14150701 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.040409453 = queryNorm
                0.23214069 = fieldWeight in 6389, 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=6389)
          0.33333334 = coord(1/3)
      0.5 = coord(2/4)
    
    Abstract
    Examines the use of networked information sources in scholarly communication. Networked information sources are defined broadly to cover: documents and images stored on electronic network hosts; data files; newsgroups; listservs; online information services and electronic periodicals. Reports results of a survey to determine how heavily, if at all, networked information sources are cited in scholarly printed periodicals published in 1993 and 1994. 27 printed periodicals, representing a wide range of subjects and the most influential periodicals in their fields, were identified through the Science Citation Index and Social Science Citation Index Journal Citation Reports. 97 articles were selected for further review and references, footnotes and bibliographies were checked for references to networked information sources. Only 2 articles were found to contain such references. Concludes that, although networked information sources facilitate scholars' work to a great extent during the research process, scholars have yet to incorporate such sources in the bibliographies of their published articles
    Source
    IFLA journal. 22(1996) no.3, S.240-245
  3. Youngen, G.K.: Citation patterns to traditional and electronic preprints in the published literature (1998) 0.01
    0.00815221 = product of:
      0.03260884 = sum of:
        0.03260884 = product of:
          0.06521768 = sum of:
            0.06521768 = weight(_text_:publizieren in 3360) [ClassicSimilarity], result of:
              0.06521768 = score(doc=3360,freq=2.0), product of:
                0.19938663 = queryWeight, product of:
                  4.934158 = idf(docFreq=864, maxDocs=44218)
                  0.040409453 = queryNorm
                0.32709154 = fieldWeight in 3360, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  4.934158 = idf(docFreq=864, maxDocs=44218)
                  0.046875 = fieldNorm(doc=3360)
          0.5 = coord(1/2)
      0.25 = coord(1/4)
    
    Theme
    Elektronisches Publizieren
  4. Rohman, A.: ¬The emergence, peak, and abeyance of an online information ground : the lifecycle of a Facebook group for verifying information during violence (2021) 0.01
    0.0068964157 = product of:
      0.027585663 = sum of:
        0.027585663 = product of:
          0.055171326 = sum of:
            0.055171326 = weight(_text_:online in 153) [ClassicSimilarity], result of:
              0.055171326 = score(doc=153,freq=10.0), product of:
                0.1226387 = queryWeight, product of:
                  3.0349014 = idf(docFreq=5778, maxDocs=44218)
                  0.040409453 = queryNorm
                0.4498688 = fieldWeight in 153, product of:
                  3.1622777 = tf(freq=10.0), with freq of:
                    10.0 = termFreq=10.0
                  3.0349014 = idf(docFreq=5778, maxDocs=44218)
                  0.046875 = fieldNorm(doc=153)
          0.5 = coord(1/2)
      0.25 = coord(1/4)
    
    Abstract
    Information grounds emerge as people share information with others in a common place. Many studies have investigated the emergence of information grounds in public places. This study pays attention to the emergence, peak, and abeyance of an online information ground. It investigates a Facebook group used by youth for sharing information when misinformation spread wildly during the 2011 violence in Ambon, Indonesia. The findings demonstrate change and continuity in an online information ground; it became an information hub when reaching a peak cycle, and an information repository when entering into abeyance. Despite this period of nonactivity, the friendships and collective memories resulting from information ground interactions last over time and can be used for reactivating the online information ground when new needs emerge. Illuminating the lifecycles of an online information ground, the findings have potential to explain the dynamic of users' interactions with others and with information in quotidian spaces.
  5. Thelwall, M.: Webometrics (2009) 0.00
    0.004361676 = product of:
      0.017446704 = sum of:
        0.017446704 = product of:
          0.03489341 = sum of:
            0.03489341 = weight(_text_:online in 3906) [ClassicSimilarity], result of:
              0.03489341 = score(doc=3906,freq=4.0), product of:
                0.1226387 = queryWeight, product of:
                  3.0349014 = idf(docFreq=5778, maxDocs=44218)
                  0.040409453 = queryNorm
                0.284522 = fieldWeight in 3906, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  3.0349014 = idf(docFreq=5778, maxDocs=44218)
                  0.046875 = fieldNorm(doc=3906)
          0.5 = coord(1/2)
      0.25 = coord(1/4)
    
    Abstract
    Webometrics is an information science field concerned with measuring aspects of the World Wide Web (WWW) for a variety of information science research goals. It came into existence about five years after the Web was formed and has since grown to become a significant aspect of information science, at least in terms of published research. Although some webometrics research has focused on the structure or evolution of the Web itself or the performance of commercial search engines, most has used data from the Web to shed light on information provision or online communication in various contexts. Most prominently, techniques have been developed to track, map, and assess Web-based informal scholarly communication, for example, in terms of the hyperlinks between academic Web sites or the online impact of digital repositories. In addition, a range of nonacademic issues and groups of Web users have also been analyzed.
  6. Zhang, Y.: ¬The impact of Internet-based electronic resources on formal scholarly communication in the area of library and information science : a citation analysis (1998) 0.00
    0.003226129 = product of:
      0.012904516 = sum of:
        0.012904516 = product of:
          0.03871355 = sum of:
            0.03871355 = weight(_text_:22 in 2808) [ClassicSimilarity], result of:
              0.03871355 = score(doc=2808,freq=4.0), product of:
                0.14150701 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.040409453 = queryNorm
                0.27358043 = fieldWeight in 2808, product of:
                  2.0 = tf(freq=4.0), with freq of:
                    4.0 = termFreq=4.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=2808)
          0.33333334 = coord(1/3)
      0.25 = coord(1/4)
    
    Date
    30. 1.1999 17:22:22
  7. Thelwall, M.: Interpreting social science link analysis research : a theoretical framework (2006) 0.00
    0.0030841706 = product of:
      0.0123366825 = sum of:
        0.0123366825 = product of:
          0.024673365 = sum of:
            0.024673365 = weight(_text_:online in 4908) [ClassicSimilarity], result of:
              0.024673365 = score(doc=4908,freq=2.0), product of:
                0.1226387 = queryWeight, product of:
                  3.0349014 = idf(docFreq=5778, maxDocs=44218)
                  0.040409453 = queryNorm
                0.20118743 = fieldWeight in 4908, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.0349014 = idf(docFreq=5778, maxDocs=44218)
                  0.046875 = fieldNorm(doc=4908)
          0.5 = coord(1/2)
      0.25 = coord(1/4)
    
    Abstract
    Link analysis in various forms is now an established technique in many different subjects, reflecting the perceived importance of links and of the Web. A critical but very difficult issue is how to interpret the results of social science link analyses. lt is argued that the dynamic nature of the Web, its lack of quality control, and the online proliferation of copying and imitation mean that methodologies operating within a highly positivist, quantitative framework are ineffective. Conversely, the sheer variety of the Web makes application of qualitative methodologies and pure reason very problematic to large-scale studies. Methodology triangulation is consequently advocated, in combination with a warning that the Web is incapable of giving definitive answers to large-scale link analysis research questions concerning social factors underlying link creation. Finally, it is claimed that although theoretical frameworks are appropriate for guiding research, a Theory of Link Analysis is not possible.
  8. Hong, T.: ¬The influence of structural and message features an Web site credibility (2006) 0.00
    0.0030841706 = product of:
      0.0123366825 = sum of:
        0.0123366825 = product of:
          0.024673365 = sum of:
            0.024673365 = weight(_text_:online in 5787) [ClassicSimilarity], result of:
              0.024673365 = score(doc=5787,freq=2.0), product of:
                0.1226387 = queryWeight, product of:
                  3.0349014 = idf(docFreq=5778, maxDocs=44218)
                  0.040409453 = queryNorm
                0.20118743 = fieldWeight in 5787, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.0349014 = idf(docFreq=5778, maxDocs=44218)
                  0.046875 = fieldNorm(doc=5787)
          0.5 = coord(1/2)
      0.25 = coord(1/4)
    
    Abstract
    This article explores the associations that message features and Web structural features have with perceptions of Web site credibility. In a within-subjects experiment, 84 participants actively located health-related Web sites an the basis of two tasks that differed in task specificity and complexity. Web sites that were deemed most credible were content analyzed for message features and structural features that have been found to be associated with perceptions of source credibility. Regression analyses indicated that message features predicted perceived Web site credibility for both searches when controlling for Internet experience and issue involvement. Advertisements and structural features had no significant effects an perceived Web site credibility. Institutionaffiliated domain names (.gov, org, edu) predicted Web site credibility, but only in the general search, which was more difficult. Implications of results are discussed in terms of online credibility research and Web site design.
  9. Barnett, G.A.; Fink, E.L.: Impact of the internet and scholar age distribution on academic citation age (2008) 0.00
    0.0030841706 = product of:
      0.0123366825 = sum of:
        0.0123366825 = product of:
          0.024673365 = sum of:
            0.024673365 = weight(_text_:online in 1376) [ClassicSimilarity], result of:
              0.024673365 = score(doc=1376,freq=2.0), product of:
                0.1226387 = queryWeight, product of:
                  3.0349014 = idf(docFreq=5778, maxDocs=44218)
                  0.040409453 = queryNorm
                0.20118743 = fieldWeight in 1376, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.0349014 = idf(docFreq=5778, maxDocs=44218)
                  0.046875 = fieldNorm(doc=1376)
          0.5 = coord(1/2)
      0.25 = coord(1/4)
    
    Abstract
    This article examines the impact of the Internet and the age distribution of research scholars on academic citation age with a mathematical model proposed by Barnett, Fink, and Debus (1989) and a revised model that incorporates information about the online environment and scholar age distribution. The modified model fits the data well, accounting for 99.6% of the variance for science citations and 99.8% for social science citations. The Internet's impact on the aging process of academic citations has been very small, accounting for only 0.1% for the social sciences and 0.8% for the sciences. Rather than resulting in the use of more recent citations, the Internet appears to have lengthened the average life of academic citations by 6 to 8 months. The aging of scholars seems to have a greater impact, accounting for 2.8% of the variance for the sciences and 0.9% for the social sciences. However, because the diffusion of the Internet and the aging of the professoriate are correlated over this time period, differentiating their effects is somewhat problematic.
  10. Davis, P.M.; Cohen, S.A.: ¬The effect of the Web on undergraduate citation behavior 1996-1999 (2001) 0.00
    0.0027623107 = product of:
      0.011049243 = sum of:
        0.011049243 = product of:
          0.033147726 = sum of:
            0.033147726 = weight(_text_:29 in 5768) [ClassicSimilarity], result of:
              0.033147726 = score(doc=5768,freq=2.0), product of:
                0.14214782 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.040409453 = queryNorm
                0.23319192 = fieldWeight in 5768, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.046875 = fieldNorm(doc=5768)
          0.33333334 = coord(1/3)
      0.25 = coord(1/4)
    
    Date
    29. 9.2001 14:01:09
  11. Menczer, F.: Lexical and semantic clustering by Web links (2004) 0.00
    0.0027623107 = product of:
      0.011049243 = sum of:
        0.011049243 = product of:
          0.033147726 = sum of:
            0.033147726 = weight(_text_:29 in 3090) [ClassicSimilarity], result of:
              0.033147726 = score(doc=3090,freq=2.0), product of:
                0.14214782 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.040409453 = queryNorm
                0.23319192 = fieldWeight in 3090, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.046875 = fieldNorm(doc=3090)
          0.33333334 = coord(1/3)
      0.25 = coord(1/4)
    
    Date
    9. 1.2005 19:20:29
  12. Zhang, Y.; Jansen, B.J.; Spink, A.: Identification of factors predicting clickthrough in Web searching using neural network analysis (2009) 0.00
    0.0027374614 = product of:
      0.010949845 = sum of:
        0.010949845 = product of:
          0.032849535 = sum of:
            0.032849535 = weight(_text_:22 in 2742) [ClassicSimilarity], result of:
              0.032849535 = score(doc=2742,freq=2.0), product of:
                0.14150701 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.040409453 = queryNorm
                0.23214069 = fieldWeight in 2742, 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=2742)
          0.33333334 = coord(1/3)
      0.25 = coord(1/4)
    
    Date
    22. 3.2009 17:49:11
  13. Thelwall, M.: Results from a web impact factor crawler (2001) 0.00
    0.002570142 = product of:
      0.010280568 = sum of:
        0.010280568 = product of:
          0.020561136 = sum of:
            0.020561136 = weight(_text_:online in 4490) [ClassicSimilarity], result of:
              0.020561136 = score(doc=4490,freq=2.0), product of:
                0.1226387 = queryWeight, product of:
                  3.0349014 = idf(docFreq=5778, maxDocs=44218)
                  0.040409453 = queryNorm
                0.16765618 = fieldWeight in 4490, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.0349014 = idf(docFreq=5778, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=4490)
          0.5 = coord(1/2)
      0.25 = coord(1/4)
    
    Abstract
    Web impact factors, the proposed web equivalent of impact factors for journals, can be calculated by using search engines. It has been found that the results are problematic because of the variable coverage of search engines as well as their ability to give significantly different results over short periods of time. The fundamental problem is that although some search engines provide a functionality that is capable of being used for impact calculations, this is not their primary task and therefore they do not give guarantees as to performance in this respect. In this paper, a bespoke web crawler designed specifically for the calculation of reliable WIFs is presented. This crawler was used to calculate WIFs for a number of UK universities, and the results of these calculations are discussed. The principal findings were that with certain restrictions, WIFs can be calculated reliably, but do not correlate with accepted research rankings owing to the variety of material hosted on university servers. Changes to the calculations to improve the fit of the results to research rankings are proposed, but there are still inherent problems undermining the reliability of the calculation. These problems still apply if the WIF scores are taken on their own as indicators of the general impact of any area of the Internet, but with care would not apply to online journals.
  14. Goh, D.H.-L.; Ng, P.K.: Link decay in leading information science journals (2007) 0.00
    0.002570142 = product of:
      0.010280568 = sum of:
        0.010280568 = product of:
          0.020561136 = sum of:
            0.020561136 = weight(_text_:online in 1334) [ClassicSimilarity], result of:
              0.020561136 = score(doc=1334,freq=2.0), product of:
                0.1226387 = queryWeight, product of:
                  3.0349014 = idf(docFreq=5778, maxDocs=44218)
                  0.040409453 = queryNorm
                0.16765618 = fieldWeight in 1334, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.0349014 = idf(docFreq=5778, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=1334)
          0.5 = coord(1/2)
      0.25 = coord(1/4)
    
    Abstract
    Web citations have become common in scholarly publications as the amount of online literature increases. Yet, such links are not persistent and many decay over time, causing accessibility problems for readers. The present study investigates the link decay phenomenon in three leading information science journals. Articles spanning a period of 7 years (1997-2003) were downloaded, and their links were extracted. From these, a measure of link decay, the half-life, was computed to be approximately 5 years, which compares favorably against other disciplines (1.4-4.8 years). The study also investigated types of link accessibility errors encountered as well as examined characteristics of links that may be associated with decay. It was found that approximately 31% of all citations were not accessible during the time of testing, and the majority of errors were due to missing content (HTTP Error Code 404). Citations from the edu domain were also found to have the highest failure rates of 36% when compared with other popular top-level domains. Results indicate that link decay is a problem that cannot be ignored, and implications for journal authors and readers are discussed.
  15. Thelwall, M.; Sud, P.: ¬A comparison of methods for collecting web citation data for academic organizations (2011) 0.00
    0.002570142 = product of:
      0.010280568 = sum of:
        0.010280568 = product of:
          0.020561136 = sum of:
            0.020561136 = weight(_text_:online in 4626) [ClassicSimilarity], result of:
              0.020561136 = score(doc=4626,freq=2.0), product of:
                0.1226387 = queryWeight, product of:
                  3.0349014 = idf(docFreq=5778, maxDocs=44218)
                  0.040409453 = queryNorm
                0.16765618 = fieldWeight in 4626, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.0349014 = idf(docFreq=5778, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=4626)
          0.5 = coord(1/2)
      0.25 = coord(1/4)
    
    Abstract
    The primary webometric method for estimating the online impact of an organization is to count links to its website. Link counts have been available from commercial search engines for over a decade but this was set to end by early 2012 and so a replacement is needed. This article compares link counts to two alternative methods: URL citations and organization title mentions. New variations of these methods are also introduced. The three methods are compared against each other using Yahoo!. Two of the three methods (URL citations and organization title mentions) are also compared against each other using Bing. Evidence from a case study of 131 UK universities and 49 US Library and Information Science (LIS) departments suggests that Bing's Hit Count Estimates (HCEs) for popular title searches are not useful for webometric research but that Yahoo!'s HCEs for all three types of search and Bing's URL citation HCEs seem to be consistent. For exact URL counts the results of all three methods in Yahoo! and both methods in Bing are also consistent. Four types of accuracy factors are also introduced and defined: search engine coverage, search engine retrieval variation, search engine retrieval anomalies, and query polysemy.
  16. Vaughan, L.; Thelwall, M.: Scholarly use of the Web : what are the key inducers of links to journal Web sites? (2003) 0.00
    0.0023019253 = product of:
      0.009207701 = sum of:
        0.009207701 = product of:
          0.027623104 = sum of:
            0.027623104 = weight(_text_:29 in 1236) [ClassicSimilarity], result of:
              0.027623104 = score(doc=1236,freq=2.0), product of:
                0.14214782 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.040409453 = queryNorm
                0.19432661 = fieldWeight in 1236, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=1236)
          0.33333334 = coord(1/3)
      0.25 = coord(1/4)
    
    Source
    Journal of the American Society for Information Science and technology. 54(2003) no.1, S.29-38
  17. Raan, A.F.J. van; Noyons, E.C.M.: Discovery of patterns of scientific and technological development and knowledge transfer (2002) 0.00
    0.0023019253 = product of:
      0.009207701 = sum of:
        0.009207701 = product of:
          0.027623104 = sum of:
            0.027623104 = weight(_text_:29 in 3603) [ClassicSimilarity], result of:
              0.027623104 = score(doc=3603,freq=2.0), product of:
                0.14214782 = queryWeight, product of:
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.040409453 = queryNorm
                0.19432661 = fieldWeight in 3603, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5176873 = idf(docFreq=3565, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=3603)
          0.33333334 = coord(1/3)
      0.25 = coord(1/4)
    
    Source
    Gaining insight from research information (CRIS2002): Proceedings of the 6th International Conference an Current Research Information Systems, University of Kassel, August 29 - 31, 2002. Eds: W. Adamczak u. A. Nase