OpenDOAR and ROAR RSP Services Day, Nottingham, 23rd Apr.2008 Peter Millington SHERPA Technical Development Officer SHERPA, University of Nottingham peter.millington@nottingham.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

OpenDOAR & ROAR, etc. OpenDOAR – 1128 records ROAR – 1041 records Directory of Open Access Repositories SHERPA, University of Nottingham ROAR – 1041 records Registry of Open Access Repositories EPrints.org, University of Southampton Other OA Repository lists OAIster – 947 records OAI Registered Data Providers – 794 records DOAJ - Directory of Open Access Journals

Open Access Repositories Worldwide

Growth of OpenDOAR Database

Growth of Repository Content

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

OpenDOAR Facilities Listing of OA repositories geographically Searching for OA repositories By keyword, language, country, software, etc. Charting statistics No. of repositories – 16 headings Searching the content of OA repositories Using Google’s Custom Search Engine Tools API, Policies Tool

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

ROAR Repository Growth Chart

ROAR Pie Chart

OpenDOAR & ROAR Compared 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

Collection Approaches OpenDOAR 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

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

Repository66 Mash-up Developed by Stuart Lewis, Aberystwyth Combining… ROAR coordinates and data OpenDOAR data via the API Google Maps / Google Earth Interactive worldwide repository map Repository software used Repository size Descriptive data

Any questions? OpenDOAR ROAR Repository66 http://www.opendoar.org/ http://roar.eprints.org/ Repository66 http://www.repository66.org/