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INIST-CNRS Nancy, France 5-6 December 2005

Access to Grey Content An Analysis of Grey Literature based on Citation and Survey Data. Dominic J. Farace and Jerry Frantzen GreyNet and Boer & Croon, Netherlands Joachim Schöpfel and Christiane Stock INIST-CNRS, France Albert K. Boekhorst UvA, Netherlands; UP, South Africa; TU, Estonia.

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INIST-CNRS Nancy, France 5-6 December 2005

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  1. Access to Grey Content An Analysis of Grey Literature based on Citation and Survey Data Dominic J. Farace and Jerry Frantzen GreyNet and Boer & Croon, Netherlands Joachim Schöpfel and Christiane Stock INIST-CNRS, France Albert K. Boekhorst UvA, Netherlands; UP, South Africa; TU, Estonia INIST-CNRS Nancy, France 5-6 December 2005 SLIDE 1

  2. Research Goal By using the same pool of meta-authors linked to citation and survey data, a clearer demonstration can be reached as to the impact of their research on the field of grey literature. Definition “Meta-authors” are information professionals, who carry out research and author publications on the topic of grey literature. INIST-CNRS Nancy, France 5-6 December 2005 SLIDE 2

  3. Research Plan Literature Review Comparative Results from 57 References • References to Citation Analyses: • Specific to Grey Literature, and • Non-Specific to Grey Literature • Each Citation record consists of 19 fields • The 2004 Questionnaire consists of 22 items • The 2005 Questionnaire consists of 9 items • Comparative analysis of data based on the 2004 Survey • with a control population of 27 Author Respondents in 2005 Citation Data 1994-2005 1744 Records General Survey ‘04 104 Respondents Author Survey ‘05 100 Respondents Surveys 2004 and 2005 27 Respondents INIST-CNRS Nancy, France 5-6 December 2005 SLIDE 3

  4. Citation Data 1994-2005 Average Number and Age of the Citations INIST-CNRS Nancy, France 5-6 December 2005 SLIDE 4

  5. Citation Data 1994-2005 Grey versus Commercial A Comparison of Standard and Hyperlink Citations Standard Citations Hyperlinked Citations INIST-CNRS Nancy, France 5-6 December 2005 SLIDE 5

  6. Citation Data 1994-2005 Self-Citations and Serial Citations INIST-CNRS Nancy, France 5-6 December 2005 SLIDE 6

  7. Author Survey 2005 Country of Residence Sector Currently Employed INIST-CNRS Nancy, France 5-6 December 2005 SLIDE 7

  8. Author Survey 2005 Also via a Commercial Publisher Published on other topics then GL INIST-CNRS Nancy, France 5-6 December 2005 SLIDE 8

  9. Author Survey 2005 A formal Citation Style for GL View on Open Access INIST-CNRS Nancy, France 5-6 December 2005 SLIDE 9

  10. Comparative Data Types of Grey Documents Top-5 Cited in GL6 Proceedings Top-5 Published Documents INIST-CNRS Nancy, France 5-6 December 2005 SLIDE 10

  11. Comparative Data Survey Data 2004 with a control population from the Author Survey 2005 INIST-CNRS Nancy, France 5-6 December 2005 SLIDE 11

  12. Summary of Findings Based on Citation Data: • Hyperlink citations are rapidly gaining ground on standard citations • Hyperlink citations tend to increase the total number of citations in a paper • Hyperlink citations are increasing the number of references to grey literature • Self citations are decreasing, while serial citations are increasing • Nine of the top-ten cited authors are also meta-authors in the GL Series Based on Survey Data: • Nearly half of the meta-authors also make use of commercial publishers • A great majority of meta-authors publish on other topics then grey literature • Without reservation, two-thirds of the meta-authors agree with OAi • Nearly a third of the meta-authors provide qualified statements on OAi Based on Comparative Data: • Nearly the same top-five types of grey literature resulted from both methods • However, significant differences appear in their production and use of GL • Differences of opinion were uncovered between meta-authors and non-authors in the field of grey literature Thank You! INIST-CNRS Nancy, France 5-6 December 2005 SLIDE 12

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