http://www.sherpa.ac.uk/

Más de 1000 repositoriosa su disposición

OpenDOAR y ROAR

IX Worksop REBIUN, Salamanca, 2-3 Oct.2009

Peter MillingtonSHERPA Technical Development Officer

SHERPA, University of Nottinghampeter.millington@nottingham.ac.uk

http://www.sherpa.ac.uk/

Más de 1000 repositoriosa su disposición

OpenDOAR y ROAR

IX Worksop REBIUN, Salamanca, 2-3 Oct.2009

Peter MillingtonSHERPA Technical Development Officer

SHERPA, University of Nottinghampeter.millington@nottingham.ac.uk

1500

http://www.sherpa.ac.uk/

Outline• Open access repositories

– The context• Overview of open access repository lists

– What are they used for?• OpenDOAR’s facilities• ROAR’s facilities• Searching the content of OA repositories• Mashing up OpenDOAR and ROAR

http://www.sherpa.ac.uk/

How many repositories are there?• OpenDOAR – 1462 records

– Directory of Open Access Repositories– SHERPA, University of Nottingham, UK

• ROAR – 1451 records– Registry of Open Access Repositories– EPrints.org, University of Southampton, UK

• Other OA Repository lists– Bielefeld’s BASE search engine – 1366 records– OAIster – 1139 records– OAI Registered Data Providers – 1120 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• Analysis of repositories’ features• Statistics for Open Access advocacy• Funding policy decisions• Searching the content of OA repositories• Source lists for harvesters

– Search services – e.g. Intute’s IRS– Data mining

• 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

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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

• Data download of the ROAR database

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

Celestial - Harvesting analytics database

API, Policies Tool

Content growth statisticsAnalytical statistics

Filter by: Repository type, Software, Country

Filter by: Repository type, Software, Country, Language, Content type, Subject area

Search by keywordSearch by keyword

ROAROpenDOAR

http://www.sherpa.ac.uk/

Collection Approaches

Taken on trust + some automated validation

Manual validation

Self-registration onlySuggestions & Proactive discovery

Allows metadata-only and gated access items

Must have some open access full texts

Some open access journals

RepositoriesRepositories only

ROAROpenDOAR

http://www.sherpa.ac.uk/

Repositories in Hispanic Countries

ROAR OpenDOAR

56

(36%)

64

(41%)36

(23%)

25-Sep-2009Total = 156

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/

http://www.sherpa.ac.uk/

http://www.sherpa.ac.uk/

Repository66 Mash-up• Developed by: Stuart Lewis, New Zealand• Interactive worldwide repository map

– Repository software used– Repository size– Descriptive data

• Combining…– ROAR data download– OpenDOAR data via the API– Coordinates look-up using www.maxmind.com– Google Maps / Google Earth

http://www.sherpa.ac.uk/

Any Questions?• OpenDOAR

– http://www.opendoar.org/– http://www.opendoar.org/buesqueda.php

(demostración)• ROAR

– http://roar.eprints.org/• Repository66

– http://www.repository66.org/