Ik ben er voor om alle data openbaar te maken. Hierdoor wordt het onderzoek transparanter, kunnen andere onderzoekers de resultaten controleren of gebruiken voor hun eigen onderzoek.
Martijn Westhoff
Delft University of Technology


Mandating policies are effective

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Recently Erasmus University Rotterdam announced that they will mandate Open Access deposits of all their research output. Will this help to stimulate Open Access?
At Wageningen UR we only stimulate Open Access deposits in Wageningen Yield (WaY) but until now only depositing PhD theses is mandatory. Since the year 2002 when depositing PhD theses became mandatory, the library has been struggling to get its hands on the PDF versions of the PhD theses. It looks like keeping up the pressure helps: now we can proudly announce that in 2009 98 percent of all PhD theses became available in electronic form. So, although it should not be necessary, mandating Open Access deposits helps.


Interestingly, the large majority of theses are based on the preprints of articles published in scholarly journals. The dissertations contain on average 4 chapters that either have been published, are submitted, in press or the final stages of preparation. A quick calculation learns us that this represents about 40% of the peer reviewed article output of Wageningen UR.
We have not linked the individual chapters in theses to the right articles in our repository, but Google Scholar very often locates the right chapter in the theses when performing known item searches. Not counted in the official OA statistics, but available to the scientific community. That’s what counts.