Search (25 results, page 1 of 2)

  • × theme_ss:"Citation indexing"
  1. Nicolaisen, J.: Citation analysis (2007) 0.02
    0.017437533 = product of:
      0.104625195 = sum of:
        0.104625195 = weight(_text_:22 in 6091) [ClassicSimilarity], result of:
          0.104625195 = score(doc=6091,freq=2.0), product of:
            0.1690115 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.04826377 = queryNorm
            0.61904186 = fieldWeight in 6091, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.125 = fieldNorm(doc=6091)
      0.16666667 = coord(1/6)
    
    Date
    13. 7.2008 19:53:22
  2. Døsen, K.: One more reference on self-reference (1992) 0.02
    0.017437533 = product of:
      0.104625195 = sum of:
        0.104625195 = weight(_text_:22 in 4604) [ClassicSimilarity], result of:
          0.104625195 = score(doc=4604,freq=2.0), product of:
            0.1690115 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.04826377 = queryNorm
            0.61904186 = fieldWeight in 4604, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.125 = fieldNorm(doc=4604)
      0.16666667 = coord(1/6)
    
    Date
    7. 2.2005 14:10:22
  3. Van der Veer Martens, B.: Do citation systems represent theories of truth? (2001) 0.02
    0.015412747 = product of:
      0.09247648 = sum of:
        0.09247648 = weight(_text_:22 in 3925) [ClassicSimilarity], result of:
          0.09247648 = score(doc=3925,freq=4.0), product of:
            0.1690115 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.04826377 = queryNorm
            0.54716086 = fieldWeight in 3925, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.078125 = fieldNorm(doc=3925)
      0.16666667 = coord(1/6)
    
    Date
    22. 7.2006 15:22:28
  4. Howard, D.L.: What the eye sees while predicitng a document's pertinence from its citation (1991) 0.01
    0.0128089925 = product of:
      0.07685395 = sum of:
        0.07685395 = weight(_text_:problem in 3675) [ClassicSimilarity], result of:
          0.07685395 = score(doc=3675,freq=2.0), product of:
            0.20485485 = queryWeight, product of:
              4.244485 = idf(docFreq=1723, maxDocs=44218)
              0.04826377 = queryNorm
            0.375163 = fieldWeight in 3675, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              4.244485 = idf(docFreq=1723, maxDocs=44218)
              0.0625 = fieldNorm(doc=3675)
      0.16666667 = coord(1/6)
    
    Abstract
    Predicting relevance of documents from citations is a common problem for information users. The study addresses the relevance prediction process and most specifically, what is viewed by the subject while using the citations. 2 kinds of protocols were collected while 11 subjects viewed 7 citations each. Eye fixations and eye movements between parts of citations were examined. Verbal reports from subjects during this process were used to explore the process of assessment
  5. Spasser, M.A.: ¬The enacted fate of undiscovered public knowledge (1997) 0.01
    0.011207869 = product of:
      0.06724721 = sum of:
        0.06724721 = weight(_text_:problem in 198) [ClassicSimilarity], result of:
          0.06724721 = score(doc=198,freq=2.0), product of:
            0.20485485 = queryWeight, product of:
              4.244485 = idf(docFreq=1723, maxDocs=44218)
              0.04826377 = queryNorm
            0.3282676 = fieldWeight in 198, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              4.244485 = idf(docFreq=1723, maxDocs=44218)
              0.0546875 = fieldNorm(doc=198)
      0.16666667 = coord(1/6)
    
    Abstract
    In a series of articles, Don Swanson explores the problem of associating two or more literatures that are logically, or substantively, related, but bibliographically noninteractive. He has called these implicit links among published literatures undicovered public knowledge. This article explores the fate of Swanson's ideas, using citation content analysis both to determine which authors have utilized Swanson's ideas and to examine the uses to which they have been put. The results suggest that while Swanson has received significant attention from the library and information science community, his ideas have not been widely cited in biomedical disciplines, and, when cited, only with rhetorically dismissive qualifications that detracts from their facticity. These results are interpreted as a failed instance of interdisciplinarity communication, and several explanations of this failure are discussed
  6. Garfield, E.; Stock, W.G.: Citation Consciousness : Interview with Eugene Garfiels, chairman emeritus of ISI; Philadelphia (2002) 0.01
    0.010898459 = product of:
      0.06539075 = sum of:
        0.06539075 = weight(_text_:22 in 613) [ClassicSimilarity], result of:
          0.06539075 = score(doc=613,freq=2.0), product of:
            0.1690115 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.04826377 = queryNorm
            0.38690117 = fieldWeight in 613, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.078125 = fieldNorm(doc=613)
      0.16666667 = coord(1/6)
    
    Source
    Password. 2002, H.6, S.22-25
  7. Prime-Claverie, C.; Beigbeder, M.; Lafouge, T.: Transposition of the cocitation method with a view to classifying Web pages (2004) 0.01
    0.009606745 = product of:
      0.05764047 = sum of:
        0.05764047 = weight(_text_:problem in 3095) [ClassicSimilarity], result of:
          0.05764047 = score(doc=3095,freq=2.0), product of:
            0.20485485 = queryWeight, product of:
              4.244485 = idf(docFreq=1723, maxDocs=44218)
              0.04826377 = queryNorm
            0.28137225 = fieldWeight in 3095, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              4.244485 = idf(docFreq=1723, maxDocs=44218)
              0.046875 = fieldNorm(doc=3095)
      0.16666667 = coord(1/6)
    
    Abstract
    The Web is a huge source of information, and one of the main problems facing users is finding documents which correspond to their requirements. Apart from the problem of thematic relevance, the documents retrieved by search engines do not always meet the users' expectations. The document may be too general, or conversely too specialized, or of a different type from what the user is looking for, and so forth. We think that adding metadata to pages can considerably improve the process of searching for information an the Web. This article presents a possible typology for Web sites and pages, as weIl as a method for propagating metadata values, based an the study of the Web graph and more specifically the method of cocitation in this graph.
  8. Larivière, V.; Gingras, Y.; Archambault, E.: ¬The decline in the concentration of citations, 1900-2007 (2009) 0.01
    0.009247649 = product of:
      0.055485893 = sum of:
        0.055485893 = weight(_text_:22 in 2763) [ClassicSimilarity], result of:
          0.055485893 = score(doc=2763,freq=4.0), product of:
            0.1690115 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.04826377 = queryNorm
            0.32829654 = fieldWeight in 2763, product of:
              2.0 = tf(freq=4.0), with freq of:
                4.0 = termFreq=4.0
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.046875 = fieldNorm(doc=2763)
      0.16666667 = coord(1/6)
    
    Date
    22. 3.2009 19:22:35
  9. Bensman, S.J.: Eugene Garfield, Francis Narin, and PageRank : the theoretical bases of the Google search engine (2013) 0.01
    0.008718766 = product of:
      0.052312598 = sum of:
        0.052312598 = weight(_text_:22 in 1149) [ClassicSimilarity], result of:
          0.052312598 = score(doc=1149,freq=2.0), product of:
            0.1690115 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.04826377 = queryNorm
            0.30952093 = fieldWeight in 1149, 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=1149)
      0.16666667 = coord(1/6)
    
    Date
    17.12.2013 11:02:22
  10. Stock, W.G.: Publikation und Zitat : Die problematische Basis empirischer Wissenschaftsforschung (2001) 0.01
    0.008005621 = product of:
      0.04803372 = sum of:
        0.04803372 = weight(_text_:problem in 5787) [ClassicSimilarity], result of:
          0.04803372 = score(doc=5787,freq=2.0), product of:
            0.20485485 = queryWeight, product of:
              4.244485 = idf(docFreq=1723, maxDocs=44218)
              0.04826377 = queryNorm
            0.23447686 = fieldWeight in 5787, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              4.244485 = idf(docFreq=1723, maxDocs=44218)
              0.0390625 = fieldNorm(doc=5787)
      0.16666667 = coord(1/6)
    
    Abstract
    Die empirische Wissenschaftsforschung arbeitet bei den Indikatoren wissenschaftlicher Leistung und wissenschaftlicher Wirkung mit Publikations- und Zitationsraten. Die vorliegende Arbeit befaßt sich mit dabei auftretenden methodischen Problemen. Was ist überhaupt eine Publikation? Was heißt Zitation? Zentral ist auch die Zählbasis, d.h. die Einheitenbildung: Was ist 1 Publikation? und: Was ist 1 Zitation? Bei Printpublikationen gibt es eine Reihe von beachtenswerten Faktoren (u.a. Mehrautorenwerke, Gewichtungsfaktoren wie den Impact Factor, Dokumenttypen). Bei elektronischen Publikationen im Internet mit ihrem dynamischen Charakter ist die Einheitenbildung noch weitaus problematischer. Zitationen, verstanden als zitierte Publikationen, werfen alle methodischen Probleme der Publikationseinheiten auf, hinzu kommen weitere, spezifische Probleme. Lösungsmöglichkeiten im syntaktischen Bereich (Relativierung auf Textseiten oder Zeichen) ändern am grundlegenden Problem nur wenig, Lösungsversuche im semantischen Bereich (etwa im Rahmen der semantischen Informationstheorie) sind im Rahmen der Publikations- und Zitationsanalysen nicht durchführbar und verweisen sowohl auf themenanalytische Methoden als auch auf die Wissenschaftstheorie. Mit diesem Working Paper wollen wir vor allem auf offene Probleme hinweisen; "endgültige" Lösungen wird der Leser nicht finden, wohl aber Lösungsvorschläge, die meist durchaus noch diskussionswürdig sind. In der Informationswissenschaft wie in der Wissenschaftsforschung sind wir bisher viel zu sicher davon ausgegangen, daß wir wissen, was Publikationen und Zitationen sind
  11. Thelwall, M.; Vaughan, L.; Björneborn, L.: Webometrics (2004) 0.01
    0.008005621 = product of:
      0.04803372 = sum of:
        0.04803372 = weight(_text_:problem in 4279) [ClassicSimilarity], result of:
          0.04803372 = score(doc=4279,freq=2.0), product of:
            0.20485485 = queryWeight, product of:
              4.244485 = idf(docFreq=1723, maxDocs=44218)
              0.04826377 = queryNorm
            0.23447686 = fieldWeight in 4279, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              4.244485 = idf(docFreq=1723, maxDocs=44218)
              0.0390625 = fieldNorm(doc=4279)
      0.16666667 = coord(1/6)
    
    Abstract
    Webometrics, the quantitative study of Web-related phenomena, emerged from the realization that methods originally designed for bibliometric analysis of scientific journal article citation patterns could be applied to the Web, with commercial search engines providing the raw data. Almind and Ingwersen (1997) defined the field and gave it its name. Other pioneers included Rodriguez Gairin (1997) and Aguillo (1998). Larson (1996) undertook exploratory link structure analysis, as did Rousseau (1997). Webometrics encompasses research from fields beyond information science such as communication studies, statistical physics, and computer science. In this review we concentrate on link analysis, but also cover other aspects of webometrics, including Web log fle analysis. One theme that runs through this chapter is the messiness of Web data and the need for data cleansing heuristics. The uncontrolled Web creates numerous problems in the interpretation of results, for instance, from the automatic creation or replication of links. The loose connection between top-level domain specifications (e.g., com, edu, and org) and their actual content is also a frustrating problem. For example, many .com sites contain noncommercial content, although com is ostensibly the main commercial top-level domain. Indeed, a skeptical researcher could claim that obstacles of this kind are so great that all Web analyses lack value. As will be seen, one response to this view, a view shared by critics of evaluative bibliometrics, is to demonstrate that Web data correlate significantly with some non-Web data in order to prove that the Web data are not wholly random. A practical response has been to develop increasingly sophisticated data cleansing techniques and multiple data analysis methods.
  12. Garfield, E.: Recollections of Irving H. Sher 1924-1996 : Polymath/information scientist extraordinaire (2001) 0.01
    0.0076289205 = product of:
      0.04577352 = sum of:
        0.04577352 = weight(_text_:22 in 6920) [ClassicSimilarity], result of:
          0.04577352 = score(doc=6920,freq=2.0), product of:
            0.1690115 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.04826377 = queryNorm
            0.2708308 = fieldWeight in 6920, 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=6920)
      0.16666667 = coord(1/6)
    
    Date
    16.12.2001 14:01:22
  13. Van der Veer Martens, B.; Goodrum, G.: ¬The diffusion of theories : a functional approach (2006) 0.01
    0.0076289205 = product of:
      0.04577352 = sum of:
        0.04577352 = weight(_text_:22 in 5269) [ClassicSimilarity], result of:
          0.04577352 = score(doc=5269,freq=2.0), product of:
            0.1690115 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.04826377 = queryNorm
            0.2708308 = fieldWeight in 5269, 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=5269)
      0.16666667 = coord(1/6)
    
    Date
    22. 7.2006 15:20:01
  14. Tay, A.: ¬The next generation discovery citation indexes : a review of the landscape in 2020 (2020) 0.01
    0.0076289205 = product of:
      0.04577352 = sum of:
        0.04577352 = weight(_text_:22 in 40) [ClassicSimilarity], result of:
          0.04577352 = score(doc=40,freq=2.0), product of:
            0.1690115 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.04826377 = queryNorm
            0.2708308 = fieldWeight in 40, 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=40)
      0.16666667 = coord(1/6)
    
    Date
    17.11.2020 12:22:59
  15. Campanario, J.M.: Have referees rejected some of the most-cited articles of all times? (1996) 0.01
    0.0065390747 = product of:
      0.03923445 = sum of:
        0.03923445 = weight(_text_:22 in 4215) [ClassicSimilarity], result of:
          0.03923445 = score(doc=4215,freq=2.0), product of:
            0.1690115 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.04826377 = queryNorm
            0.23214069 = fieldWeight in 4215, 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=4215)
      0.16666667 = coord(1/6)
    
    Abstract
    In this article a quantitative study is reported on the resistance that scientists may encounter when they do innovative work or when they attempt to publish articles that later become highly cited. A set of 205 commentaries by authors of some of the most-cited papers of all times have been examined in order to identify those articles whose authors encountered difficulty in getting his or her work published. There are 22 commentaries (10,7%) in which authors mention some difficulty or resistance in doing or publishing the research reported in the article. Three of the articles which had problems in being published are the most cited from their respective journals. According the authors' commentaries, although sometimes referees' negative evaluations can help improve the articles, in other instances referees and editors wrongly rejected the highly cited articles
  16. Snyder, H.; Bonzi, S.: Patterns of self-citation across disciplines : 1980-1989 (1998) 0.01
    0.0065390747 = product of:
      0.03923445 = sum of:
        0.03923445 = weight(_text_:22 in 3692) [ClassicSimilarity], result of:
          0.03923445 = score(doc=3692,freq=2.0), product of:
            0.1690115 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.04826377 = queryNorm
            0.23214069 = fieldWeight in 3692, 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=3692)
      0.16666667 = coord(1/6)
    
    Date
    22. 5.1999 19:33:24
  17. wst: Cut-and-paste-Wissenschaft (2003) 0.01
    0.0065390747 = product of:
      0.03923445 = sum of:
        0.03923445 = weight(_text_:22 in 1270) [ClassicSimilarity], result of:
          0.03923445 = score(doc=1270,freq=2.0), product of:
            0.1690115 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.04826377 = queryNorm
            0.23214069 = fieldWeight in 1270, 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=1270)
      0.16666667 = coord(1/6)
    
    Content
    "Mikhail Simkin und Vwani Roychowdhury von der University of Califomia, Los Angeles, haben eine in der wissenschaftlichen Gemeinschaft verbreitete Unsitte erstmals quantitativ erfasst. Die Wissenschaftler analysierten die Verbreitung von Druckfehlern in den Literaturlisten wissenschaftlicher Arbeiten (www.arxiv.org/abs/cond-mat/0212043). 78 Prozent aller zitierten Aufsätze - so schätzen die Forscher - haben die zitierenden Wissenschaftler demnach nicht gelesen, sondern nur per 'cut and paste' von einer Vorlage in ihre eigene Literaturliste übernommen. Das könne man beispielsweise abschätzen aus der Analyse fehlerhafter Seitenangaben in der Literaturliste eines 1973 veröffentlichten Aufsatzes über die Struktur zweidimensionaler Kristalle: Dieser Aufsatz ist rund 4300 mal zitiert worden. In 196 Fällen enthalten die Zitate jedoch Fehler in der Jahreszahl, dem Band der Zeitschrift oder der Seitenzahl, die als Indikatoren für cut and paste genommen werden können, denn man kann, obwohl es Milliarden Möglichkeiten gibt, nur 45 verschiedene Arten von Druckfehlern unterscheiden. In erster Näherung ergibt sich eine Obergrenze für die Zahl der `echten Leser' daher aus der Zahl der unterscheidbaren Druckfehler (45) geteilt durch die Gesamtzahl der Publikationen mit Druckfehler (196), das macht etwa 22 Prozent."
  18. Chan, H.C.; Kim, H.-W.; Tan, W.C.: Information systems citation patterns from International Conference on Information Systems articles (2006) 0.01
    0.0065390747 = product of:
      0.03923445 = sum of:
        0.03923445 = weight(_text_:22 in 201) [ClassicSimilarity], result of:
          0.03923445 = score(doc=201,freq=2.0), product of:
            0.1690115 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.04826377 = queryNorm
            0.23214069 = fieldWeight in 201, 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=201)
      0.16666667 = coord(1/6)
    
    Date
    3. 1.2007 17:22:03
  19. H-Index auch im Web of Science (2008) 0.01
    0.0065390747 = product of:
      0.03923445 = sum of:
        0.03923445 = weight(_text_:22 in 590) [ClassicSimilarity], result of:
          0.03923445 = score(doc=590,freq=2.0), product of:
            0.1690115 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.04826377 = queryNorm
            0.23214069 = fieldWeight in 590, 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=590)
      0.16666667 = coord(1/6)
    
    Date
    6. 4.2008 19:04:22
  20. Mingers, J.; Burrell, Q.L.: Modeling citation behavior in Management Science journals (2006) 0.01
    0.0065390747 = product of:
      0.03923445 = sum of:
        0.03923445 = weight(_text_:22 in 994) [ClassicSimilarity], result of:
          0.03923445 = score(doc=994,freq=2.0), product of:
            0.1690115 = queryWeight, product of:
              3.5018296 = idf(docFreq=3622, maxDocs=44218)
              0.04826377 = queryNorm
            0.23214069 = fieldWeight in 994, 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=994)
      0.16666667 = coord(1/6)
    
    Date
    26.12.2007 19:22:05