1. 1 / x Spatial Data Infrastructure GRS-21306 Feedback week 1 exercise 2015

2. What do you like the most? Web of science Google Scholar Scopus Microsoft academic search

3. Input differences Spatial data infrastructure “Spatial data infrastructure” SDI “Spatial data infrastructure” and “SDI” Geospatial data

4. Number of publications

5. Volume of publications (2014) : your results Web of Science: 28,37,39,97,100, 105,141, 185,188, 189, 219, 220,231, 272, 348, 5199 Scopus: 73, 127, 283, 286, 388, 525, 567, 721,897, 967, 987, 998, 967, 2820, 2824,3350,3356, 7870 Google Scholar: 514, 1060, 1370, 1380, 12300, 25100, 26500 13800, 13900, 164000,237000, 933000

6. Publication differences (2014,2013,2011,2010,2009,) WoS 219 290 253 167 78 58 Scopus 967 841 697 1147 374 315 Scolar13800 12000 10200 7290 5980 5100

7. Reflection spatial data infrastructure OR “spatial data Infrastructure” SDI is the leading term (e.g geospatial, geo- information, etc)

8. Most cited paper

9. WoS (2014 Granell, C., Diaz, L., Gould, M., 2010, SERVICE-ORIENTED APPLICATIONS FOR ENVIRONMENTAL MODELS: REUSABLE GEOSPATIAL SERVICES, environmental modelling & software, 25( 2), pp. 182-198

10. Scopus (2014) Maguire, D.J., Longley, P.A. The emergence of geoportals and their role in spatial data infrastructures Computers, Environment and Urban Systems 29 (1 SPEC.ISS.), pp. 3-14 Published 2005 Goodchild, M.F., 2007, CITIZENS AS SENSORS: THE WORLD OF VOLUNTEERED GEOGRAPHY, GEOJOURNAL, 69 (4), pp. 211-221 – total 646 citations Lutz, M., & Klien, E. (2006). Ontology ‐ based retrieval of geographic information. International Journal of Geographical Information Science, 20(3), 233-260.

11. Scolar 2015 Groot, R. ; MacLaughlin, J.Geospatial data infrastructure : concepts, cases, and good practice. Book published in 2000 I. Masser, GIS worlds: creating spatial data infrastructures” Nebert, D.D., Developing Spatial Data Infrastructures: The SDI Cookbook, GSDI

12. Microsoft Academic Search J. W. H. C. Crompvoets, Arnold Bregt, Abbas Rajabifard, Ian Williamson; 2004Assessing the worldwide developments of national spatial data clearinghouses;

13. Reflection Highest impact is not necessarily the most relevant one. Results of Google Scholar are not so consistent.

14. How new is the topic Web of science: 1991, 1992, 2002,2004 Scopus: 1979,1986,1988, 1989, 1991,1 993,1997 Google Scolar ?, 1990, 1991, 1992,1997 Google ?,1980,1989,1993,1994

15. Reflection The SDI topic is about 25 years old The last 10 is has become a topic of scientific interest Some changes over the years, e.g.

16. Analysis

17. What are the active countries? (2010)

18. Active countries 2011

19. Active countries 2013

20. Top 10 countries

21. Countries

22. Scopus

23. Organisations (hot spots)

24. Countries (hot spots)

25. Persons

26. Prof. Ian Williamson