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

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/

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/

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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/