http://www.sherpa.ac.uk/
OpenDOAR and ROAR
RSP Services Day, Bath, 15th Jan.2009
Peter MillingtonSHERPA Technical Development Officer
SHERPA, University of [email protected]
http://www.sherpa.ac.uk/
Outline
• Overview of open access repository lists– What are they used for?
• Open access repositories– The context
• OpenDOAR’s facilities
• ROAR’s facilities
• Searching the content of OA repositories
• Mashing up OpenDOAR and ROAR
http://www.sherpa.ac.uk/
OpenDOAR & ROAR, etc.• OpenDOAR – 1300 records
– Directory of Open Access Repositories
– SHERPA, University of Nottingham
• ROAR – 1239 records
– Registry of Open Access Repositories
– EPrints.org, University of Southampton
• Other OA Repository lists– OAIster – 1066 records
– OAI Registered Data Providers – 941 records
• DOAJ - Directory of Open Access Journals
http://www.sherpa.ac.uk/
Open Access Repositories Worldwide
http://www.sherpa.ac.uk/
Growth of OpenDOAR Database
http://www.sherpa.ac.uk/
Growth of Repository Content
http://www.sherpa.ac.uk/
Uses of OpenDOAR & ROAR• Finding open access repositories• Source lists for harvesters
– Search services – e.g. Intute RS– Data mining
• Searching the content of OA repositories• Analysis of repositories’ features• Statistics for Open Access advocacy• Funding policy decisions• Third party mash-ups – e.g. Repository66
http://www.sherpa.ac.uk/
http://www.sherpa.ac.uk/
OpenDOAR Facilities• Listing of OA repositories geographically• Searching for OA repositories
– By keyword, language, country, software, etc.
• Charting & Mapping– Statistical charts (16 headings) for any search– Google Maps for any search
• Searching the content of OA repositories– Using Google’s Custom Search Engine
• Tools– API, Policies Tool, RSS Feed
http://www.sherpa.ac.uk/
http://www.sherpa.ac.uk/
http://www.sherpa.ac.uk/
http://www.sherpa.ac.uk/
http://www.sherpa.ac.uk/
http://www.sherpa.ac.uk/
http://www.sherpa.ac.uk/
http://www.sherpa.ac.uk/
http://www.sherpa.ac.uk/
ROAR Facilities
• Searching for OA repositories– By keyword, country, software, content type
• Thumbnail images of home pages
• Statistical charts– Growth of repository content– Content type statistics
• Searching the content of OA repositories– Using Google’s Custom Search Engine
http://www.sherpa.ac.uk/
ROAR Repository Growth Chart
http://www.sherpa.ac.uk/
ROAR Pie Chart
http://www.sherpa.ac.uk/
http://www.sherpa.ac.uk/
OpenDOAR & ROAR Compared
OpenDOAR ROAR
Search by keyword Search by keyword
Filter by: Repository type, Software, Country, Language, Content type, Subject area
Filter by: Repository type, Software, Country
Analytical statistics Content growth statistics
API, Policies Tool Celestial - Harvesting analytics database
http://www.sherpa.ac.uk/
Collection ApproachesOpenDOAR ROAR
Repositories only Repositories
Some open access journals
Must have some open access full texts
Allows metadata-only and gated access items
Suggestions & Proactive discovery
Self-registration only
Manual validation Taken on trust + some automated validation
http://www.sherpa.ac.uk/
Content Searching• OpenDOAR & ROAR use Google CSE• Uses Google’s indexes & technology
– Just searches URLs listed in the database
• Focussed search results– High probability of open access full text items– Unlike Google Scholar & Google per se
• Benefits for…– Under-resourced institutions– Unaffiliated & off-campus researchers
http://www.sherpa.ac.uk/
Repository66 Mash-up• Developed by Stuart Lewis, Aberystwyth• Interactive worldwide repository map
– Repository software used– Repository size– Descriptive data
• Combining…– ROAR data– OpenDOAR data via the API– Coordinates look-up using www.maxmind.com – Google Maps / Google Earth
http://www.sherpa.ac.uk/
http://www.sherpa.ac.uk/
Any questions?
• OpenDOAR– http://www.opendoar.org/
• ROAR– http://roar.eprints.org/
• Repository66– http://www.repository66.org/