Search (80 results, page 2 of 4)

  • × theme_ss:"Citation indexing"
  • × type_ss:"a"
  • × year_i:[1990 TO 2000}
  1. Cronin, B.; Weaver-Wozniak, S.: Online access to acknowledgements (1993) 0.01 
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    Abstract
    Reviews the scale, range and consistency of acknowledgement behaviour, in citations, for a number of academic disciplines. The qualitative and quantitative evidence suggests a pervasive and consistent practice in which acknowledgements define a variety of social, cognitive and instrumental relationships between scholars and within and across disciplines. As such they may be used alongside other bibliometric indicators, such as citations, to map networks of influence. Considers the case for using acknowledgements data in the assessment of academic performance and proposes an online acknowledgement index to facilitate this process, perhaps as a logical extension of ISI's citation indexing products
    Imprint
    Medford, NJ : Learned Information
    Type
    a
  2. Garfield, E.: Agony and ecstasy of the Internet : experiences of an information scientist qua publisher (1996) 0.01 
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    Abstract
    Reports recent experiences with the publishing, via the Internet and WWW of ISI's biweekly newspaper, The Scientist; which was originally mounted on the NSFnet. Compares the use of the Internet for SDI by comparing Web searches via AltaVista with similar searches on CD-ROM. Predicts that future current awareness services and SDI services will be linked to electronic periodicals in electronic libraries. Concludes with a note on cited reference searching, a variation on the theme of hypertext searching, with particular reference to SCI and Web crawlers
    Source
    Towards a worldwide library: a ten year forecast. Proceedings of the 19th International Essen Symposium, 23-26 Sept 1996. Ed.: A.H. Helal u. J.W. Weiss
    Type
    a
  3. Scharnhorst, A.: Citation - networks, science landscapes and evolutionary strategies (1998) 0.01 
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    Abstract
    The construction of virtual science landscapes based on citation networks and the strategic use of the information therein shed new light on the issues of the evolution of the science system and possibilities for control. Leydesdorff's approach to citation theory described in his 1998 article (see this issue of LISA) takes into account the dual layered character of communication networks and the second order nature of the science system. This perspective may help to sharpen the awareness of scientists and science policy makers for possible feedback loops within actions and activities in the science system, and probably nonlinear phenomena resulting therefrom. Sketches an additional link to geometrically oriented evolutionary theories and uses a specific landscape concept as a framework for some comments
    Footnote
    Contribution to a thematic issue devoted to 'Theories of citation?
    Type
    a
  4. Spasser, M.A.: ¬The enacted fate of undiscovered public knowledge (1997) 0.01 
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    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
    Source
    Journal of the American Society for Information Science. 48(1997) no.8, S.707-717
    Type
    a
  5. Garfield, E.: From citation indexes to informetrics : is the tail now wagging the dog? (1998) 0.01 
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    Abstract
    Provides a synoptic review and history of citation indexes and their evolution into research evaluation tools including a discussion of the use of bibliometric data for evaluating US institutions (academic departments) by the National Research Council (NRC). Covers the origin and uses of periodical impact factors, validation studies of citation analysis, information retrieval and dissemination (current awareness), citation consciousness, historiography and science mapping, Citation Classics, and the history of contemporary science. Illustrates the retrieval of information by cited reference searching, especially as it applies to avoiding duplicated research. Discusses the 15 year cumulative impacts of periodicals and the percentage of uncitedness, the emergence of scientometrics, old boy networks, and citation frequency distributions. Concludes with observations about the future of citation indexing
    Type
    a
  6. Small, H.: Visualizing science by citation mapping (1999) 0.01 
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    Abstract
    Science mapping is discussed in the general context of information visualization. Attempts to construct maps of science using citation data are reviewed, focusing on the use of co-citation clusters. New work is reported on a dataset of about 36.000 documents using simplified methods for ordination, and nesting maps hierarchically. an overall map of the dataset shows the multidisciplinary breadth of the document sample, and submaps allow drilling down the document level. An effort to visualize these data using advanced virtual reality software is described, and the creation of document pathways through the map is seen as a realization of Bush's associative trails
    Source
    Journal of the American Society for Information Science. 50(1999) no.9, S.799-813
    Type
    a
  7. Cronin, B.: Tiered citation and measures of document similarity (1994) 0.01 
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    Abstract
    The degree of similarity netween pairs of cited and citing documents is frequently small. One factor may be the ways in which authors draw upon and cite the work of others. The idea of tiered, or multilayered, citation is proposed as a means of testing this hypothesis. A tentative citation typology is outlined
    Source
    Journal of the American Society for Information Science. 45(1994) no.7, S.537-538
    Type
    a
  8. Szava-Kovats, E.: Non-indexed literature citedness (1997) 0.01 
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    Abstract
    Discusses citation counting measurements, and provides a qualitative analysis of citation analysis (also known as scientometrics or informetrics). Critically evaluates citation indexes, drawing on 2 major investigations carried out by the author. Explains the importance of the phenomenon of non-indexed citedness, and highlights some serious limitations of citation indexes as a basis for measuring the scientific literature and hence making judgements about the respective merits of individual scientists
    Source
    International information communication and education. 16(1997) no.2, S.203-209
    Type
    a
  9. Garfield, E.: Random thoughts on citationology : Its theory and practice (1998) 0.01 
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    Abstract
    Theories of citation are as elusive as theories of information science, which have been debated for decade. Gives an overview of some of these theories, and as a basis for discussion offers the term citationology as the theory and practice of citation, including its derivative disciplines citation analysis and bibliometrics
    Footnote
    Contribution to a thematic issue devoted to 'Theories of citation?'
    Type
    a
  10. Moed, H.F.; Bruin, R.E.D.; Leeuwen, T.N.V.: New bibliometric tools for the assessment of national research performance : database description, overview of indicators and first applications (1995) 0.01 
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    Abstract
    Gives an outline of a new bibliometric database based upon all articles published by authors from the Netherlands and processed during 1980-1993 by ISI for the SCI, SSCI and AHCI. Describes various types of information added to the database: data on articles citing the Dutch publications; detailed citation data on ISI journals and subfields; and a classification system of the main publishing organizations. Also gives an overview of the types of bibliometric indicators constructed. and discusses their relationship to indicators developed by other researchers in the field. Gives 2 applications to illustrate the potentials of the database and of the bibliometric indicators derived from it: one that represents a synthesis of 'classical' macro indicator studies on the one hand and bibliometric analyses of research groups on the other; and a second that gives for the first time a detailed analysis of a country's publications per institutional sector
    Type
    a
  11. Száva-Kováts, E.: Indirect-collective referencing (ICR) : life course, nature, and importance of a special kind of science referencing (1999) 0.01 
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    Abstract
    Indirect collective referencing (ICR) is a special kind of indirect referencing, in an act making reference to all references cited in a directly cited paper. In this research the literature phenomenon of ICR is defined in the narrowest sense, taking into account only its indisputable minimum. To reveal the life course of this phenomenon, a longitudinal section was taken in the representative elite general physics journal, The Physical Review, processing more than 4.200 journal papers from 1897 to 1997 and their close to 84.00 formal references. This investigation showed that the ICR phenomenon has existed in the journal for a century now; that the frequency and intensity of the phenomenon have been constantly increasing in both absolute and relative terms since the last, mature period of the Little Science age; and that this growth has accelerated in the publication explosion of the Big Science age. It was shown that the Citation Indexes show only a fraction of the really cited references in the journal
    Source
    Journal of the American Society for Information Science. 50(1999) no.14, S.1284-1294
    Type
    a
  12. Maricic, S.: Citation context versus the frequency counts of citation histories (1998) 0.01 
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    Abstract
    Analyzes 200 papers produced by a multidisciplinary natural sciences institute in a 10 years period for the context of the citation they received during the 21 year period since their publication. They were grouped in 28 research topics from physics, chemistry, to biology, and there were some half a dozen papers per topic on the average. 11% of all the citing papers comprised the sample of the context analysis: 1 citing per each cited paper. Sets of citing papers of each research topic were taken as units in the analysis
    Source
    Journal of the American Society for Information Science. 49(1998) no.6, S.530-540
    Type
    a
  13. Baird, L.M.; Oppenheim, C.: Do citations matter? (1994) 0.01 
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    Abstract
    Citation indexes are based on the principle of authors citing previous articles of relevance. The paper demonstrates the long history of citing for precedent and notes how ISI's citation indexes differ from 'Shephards Citations'. The paper analyses some of the criticisms of citations counting, and some of the uses for which citation analysis has been employed. The paper also examines the idea of the development of an Acknowledgement Index, and concludes such an index is unlikely to be commercially viable. The paper describes a citation study of Eugene Garfield, and concludes that he may be the most heavily cited information scientist, that he is a heavy self-citer, and that the reasons why other authors cite Garfield are different from the reasons why he cites himself. The paper concludes that citation studies remain a valid methgod of analysis of individuals', institutions', or journals' impact, but need to be used with caution and in conjunction with other measures
    Source
    Journal of information science. 20(1994) no.1, S.2-15
    Type
    a
  14. Rosenberg, V.: ¬An assessment of ISI's new Web of Science : ISI's services brings citiation indexing to new and advanced researchers (1998) 0.01 
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    Source
    Information today. 15(1998) no.3, S.21,61
    Type
    a
  15. Pao, M.L.: Term and citation retrieval : a field study (1993) 0.01 
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    Source
    Information processing and management. 29(1993) no.1, S.95-112
    Type
    a
  16. Shaw, W.M.: Subject and citation indexing : pt.2: the optimal, cluster-based retrieval performance of composite representations (1991) 0.01 
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    Abstract
    Fortsetzung von pt.1: experimental retrieval results are presented as a function of the exhaustivity and similarity of the composite representations and reveal consistent patterns from which optimal performance levels can be identified. The optimal performance values provide an assessment of the absolute capacity of each composite representation to associate documents relevant to different queries in single-link hierarchies. The effectiveness of the exhaustive representation composed of references and citations is materially superior to the effectiveness of exhaustive composite representations that include subject descriptions
    Source
    Journal of the American Society for Information Science. 42(1991) no.9, S.676-684
    Type
    a
  17. Szava-Kovats, E.: Non-indexed indirect-collective citedness (NIICC) (1998) 0.01 
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    Abstract
    Examines non-indexed indirect collective citedness (NIICC), through a study of 621 articles from 1969 volumes of 2 physics journals, in order to establish the frequency of the phenomenon in the research material. Findings refute the representativity ofd the citation indexes in the field of citedness in the scientific journal literature during the science history period of early Big Science as NIICC was found to be widespread
    Source
    Journal of the American Society for Information Science. 49(1998) no.5, S.477-481
    Type
    a
  18. Shaw, W.M.: Subject and citation indexing : pt.1: the clustering structure of composite representations in the cystic fibrosis document collection (1991) 0.01 
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    Abstract
    The presence of clustering structure in the CF document collection (cystic fibrosis) is evaluated as a function of the exhaustivity of 5 composite representations. The composite representations are constructed from 2 subject descriptions, based on MeSH and subheadings, and 2 citation indexes, based on the complete set of references an and a comprehensive set of citations to each document. Experiment results reveal observable evidence of clustering structure diminishes as the exhaustivity of each representation is decreased. The representation composed of references and citations shows less evidence of clustering structure at the exhaustive level but more uniform evidence of clustering structure over a wide range of exhaustivity levels than composite representations that include subject descriptions. The structures imposed on the CF document collection by all composite representations satisfy the necessary condition for a meaningful clustering outcome
    Source
    Journal of the American Society for Information Science. 42(1991) no.9, S.669-675
    Type
    a
  19. Pair, C.I.: Formal evaluation methods : their utility and limitations (1995) 0.01 
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    Abstract
    Discusses evaluation techniques as an integral part of science with the emphasis on evalution for policy purposes. Outlines early attempts to validate the use of biliometric indicators. Concludes that: best results are obtained by applying a variety of methods simultaneously; reliable results can be obtained from citation analysis for purely scientific subfields such as physics; and citation analysis tends to give unreliable results for technological subjects. Concludes that bibliometrics as a technique for determining policy should never be used on its own. Describes an evaluation method used for selecting research projects for financial support, as applied by STW, the technology branch of the Netherlands' research council, NWO
    Source
    International forum on information and documentation. 20(1995) no.4, S.16-24
    Type
    a
  20. Tsay, M.-Y.: From Science Citation Index to Journal Citation Reports, amd criteria for journals evaluation (1997) 0.01 
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    Abstract
    Investigates the characteristics of Journal Citation Reports (JCR) through the study of the Science Citation Index (SCI). Other criteria for evaluating a journal are also discussed. The compilation process of SCI data, and the characteristics, applications and limitations of SCI are studied. A detailed description of JCR is provided including: journal ranking listing, citing journal listing, cited journal listing, subject category listing, source data, impact factor, immediacy index, cited half-life and citing half-life. The applications and limitations of JCR are also explored. In addition to the criteria listed in JCR, the size, circulation and influence of journals are also considered significant criteria fir evaluation purposes
    Source
    Journal of information; communication; and library science. 4(1997) no.2, S.27-41
    Type
    a

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