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

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 –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 OpenDOARROAR Search by keyword Filter by: Repository type, Software, Country, Language, Content type, Subject area Filter by: Repository type, Software, Country Analytical statisticsContent growth statistics API, Policies ToolCelestial - Harvesting analytics database

Collection Approaches OpenDOARROAR Repositories onlyRepositories 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 validationTaken 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 –