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www.uni-stuttgart.de Networking institutional repositories in Germany – DINI / DFG projects (… and DRIVER) Frank Scholze Stuttgart University Library KUB Seminar on Open Access, Copenhagen, 29.11. 2007
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www.uni-stuttgart.de 29.11.2007Frank Scholze Overview General DINI certificate DINI / DFG projects OA network OA statistics OA citation DRIVER
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www.uni-stuttgart.de Disciplinary strategy Institutional strategy Self- archiving „green“ OA publishing „gold“ Institutional Repositories BMC, PLoS, ACP … University Presses Disciplinary Repositories Open Access strategies
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www.uni-stuttgart.de 29.11.2007Frank Scholze The current situation for digital repositories More than 1000 institutional repositories worldwide, about 120 in Germany Many others: disciplinary, national, … Many types: Primary data, textual documents, learning materials, multimedia objects, code … Documents: incl. pre-prints, postprints, technical papers, dissertations, theses … Various repository software
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www.uni-stuttgart.de 29.11.2007Frank Scholze Many have the OAI-PMH implemented small but relevant local specialties Some international registries exist OpenDOAR, ROAR … Some national registries exist DINI list … Some search engines exist BASE, OAIster, Google Scholar … What is known about repositories?
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www.uni-stuttgart.de 29.11.2007Frank Scholze Collaboration in repositories Very few mature national repository organizations/collaborations SURF, DINI … No trans-national repository organization/collaboration Lack of data harmonization, orchestration of services
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www.uni-stuttgart.de 29.11.2007Frank Scholze From the user point of view [ talking about researchers ] Fragmented, obscure information landscape content can be (partly) searched and found quality and re-use differs from repository to repository
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www.uni-stuttgart.de 29.11.2007Frank Scholze From: e-SciDR Lisbon workshop, 4th September 2007 Research process and repositories
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www.uni-stuttgart.de 29.11.2007Frank Scholze “Make it workable” Focus on existing repositories and services Focus on Institutional Repositories Rapid progress over the last years Inherent sustainability (e.g. libraries) Adequate technical homogeneity (OAI-PMH) Focus on textual materials
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www.uni-stuttgart.de 29.11.2007Frank Scholze General DINI certificate DINI / DFG projects OA network OA statistics OA citation DRIVER
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www.uni-stuttgart.de 29.11.2007Frank Scholze DINI Deutsche Initiative für Netzwerk Information (German Initiative for Networked Information)) Coalition of German Higher Education Infrastructure- or Service-Institutions -Libraries -Computing Centres -Media Centres -Scientists 8 Working Groups
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www.uni-stuttgart.de 29.11.2007Frank Scholze DINI Certificate Launched in 2003 by DINI Electronic Publishing working group Quality control for Document and Publication Repositories -Organizational, technical, personal and policy aspects Defines a set of minimum standards (requirements) for a repository and its operator(s) mandatory for modern scholarly communication Recommends foreseeable developments that might turn into future requirements DINI Certificate 2007 released September 2006
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www.uni-stuttgart.de 29.11.2007Frank Scholze DINI Certificate - Content Visibility of the Service Policy, Guidelines Author Support Legal Aspects Security, Authenticity and Data Integrity Indexing -Subject indexing -Metadata Export -Interfaces Logs and Statistics Long-term Availability
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www.uni-stuttgart.de 29.11.2007Frank Scholze Certification in practice Certificate 2004: 19 Services certified Certificate 2007: 2 services certified, 4 in progress Common issues during the certification process -policy -persistent identifiers -documentation Results of certification -Certification as development of the service common experience -Certification as marketing action experiences range from very good results to no effect at all
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www.uni-stuttgart.de 29.11.2007Frank Scholze General DINI certificate DINI / DFG projects OA network OA statistics OA citation DRIVER (Europe)
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www.uni-stuttgart.de 29.11.2007Frank Scholze DINI / DFG projects Cluster of proposals to the DFG (coordinated by DINI) Network of certified open access repositories (OA network) 2y –National input to EU repository infrastructure project DRIVER Usage statistics (OA statistics) demonstrator proposal under review Distributed open access reference citation service (OA citation) demonstrator proposal under review Related DINI projects OA information (open-access.net) 18m CARPET - Community for Academic Reviewing, Publishing and Editorial Technology proposal under review
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www.uni-stuttgart.de 29.11.2007Frank Scholze OA network Building a networked infrastructure for German repositories Project just started Builds on DINI certified services Relationship to DRIVER German node for DRIVER DINI certificate more comprehensive than DRIVER guidelines –Except for harvesting recommendations Add-on services beyond DRIVER OA statistics OA citation
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www.uni-stuttgart.de 29.11.2007Frank Scholze OA network - architecture Harvesting Aggregation Enrichment Processing
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www.uni-stuttgart.de 29.11.2007Frank Scholze OA statistics Local and aggregated usage data Transparent and standardized data E.g. COUNTER, IFABC, LogEc Calculation of data is comprehensible Klick-spans, robot elimination etc.
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www.uni-stuttgart.de 29.11.2007Frank Scholze Data Mining Filtering Metrics Services Aggregated logs Log DB OpenURL ContextObjects Log Repository Link Resolver Log Repository Link Resolver Log Repository Log harvester (Service Provider) CO Aggregated Usage Data Log DB Webserver -Log Aggregated Usage Data Rewrite module Normalise (optional) -> Robots, psydonymization OpenURL ContextObjects or SUSHI Normalise Infrastructure for Collecting Usage Data e.g. Based on: Bollen, Johan and Van de Sompel, Herbert, OAI4, Geneva
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www.uni-stuttgart.de 29.11.2007Frank Scholze Usage - indicators Indicators can be calculated quantitatively or structurally Example for a quantitative indicator: Usage Factor Mean value of aggregated usage over a defined period of time Example for a structural indicator: Usage Page Rank Reciprocal voting of nodes in a network
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www.uni-stuttgart.de 29.11.2007Frank Scholze bX project - Comparison of Journal Usage PageRank and Journal Impact Factor Journal of Molecular Graphics and Modelling Dr. Dobb's Journal Usage > IF
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www.uni-stuttgart.de 29.11.2007Frank Scholze OA citation Builds on work done in citebase, citeseer, google scholar, CDSware, ePrints Extraction of references Citation indexing (CI) Expansion of the traditional document space for CI competing with WCI Calculating alternative indicators (Citation Page Rank) Cf projects MESUR (LANL), Eigenfactor (U of Washington) http://www.mesur.org/ http://www.eigenfactor.org/
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www.uni-stuttgart.de 29.11.2007Frank Scholze OA network demonstrator
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www.uni-stuttgart.de 29.11.2007Frank Scholze Open Access and Metrics BASE integration demonstrator
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www.uni-stuttgart.de 29.11.2007Frank Scholze General DINI certificate DINI / DFG projects OA network OA statistics OA citation DRIVER
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www.uni-stuttgart.de 29.11.2007Frank Scholze DRIVER Digital Repository Infrastructure Vision for European Research Environment and tools for building service-based Repository Systems Sets of services running at different network sites, possibly in multiple instances, interacting, dynamic, sharable, open DRIVER I: BE, FR, GE, NL, UK DRIVER II: IT, PL, EL, DK, SL, PT
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www.uni-stuttgart.de 29.11.2007Frank Scholze European Information Space Includes the DRIVER Repository System Providing users with advanced functionalities over a uniform European Information Space formed by aggregating multiple Repositories Repositories Can join or leave the infrastructure at any time Are dynamically/automatically aggregated to populate and keep updated the DRIVER Information Space
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www.uni-stuttgart.de 29.11.2007Frank Scholze DRIVER and standards Service Resources are implemented as Web Services and accessed through the corresponding Web Service Interface Parameters calls are enveloped into SOAP messages The Enabling Services are also compatible with REST XML is the lingua-franca for the whole system Resource internal status, i.e. Resource profiles Profiles in Information Service use eXist XML engine
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www.uni-stuttgart.de 29.11.2007Frank Scholze DRIVER and standards II DRIVER Aggregation Harvesting according to OAI-PMH Adopting OAI-Provenance best practice (OAI-about DRIVER Guidelines) To be extended to other object models and harvesting protocols Queries to Search Service and Index Service obey to SRW/CQL standard
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www.uni-stuttgart.de 29.11.2007Frank Scholze DRIVER Guidelines Unambiguous identification of OA content (using sets if necessary) Direct link to the digital object (dc:identifier) Transient or persistent information on deleted objects ISO 639-3 language format Well defined batch size (100-200 datasets) Adequate lifespan of the resumption token (24h)
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www.uni-stuttgart.de 29.11.2007Frank Scholze „Human“ portal for access
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www.uni-stuttgart.de 29.11.2007Frank Scholze Repository Landscape
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www.uni-stuttgart.de 29.11.2007Frank Scholze Managing Aggregation
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www.uni-stuttgart.de 29.11.2007Frank Scholze Test of Compliance
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www.uni-stuttgart.de 29.11.2007Frank Scholze Conclusion Bring standardization of interfaces, protocols and formats to a wider community Services based repository infrastructure Identification of repositories Harvesting, searching, browsing, re-use Integrating repository infrastructure into the research process Other outputs: Primary data, learning objects, patents … Linking outputs from a research process perspective
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www.uni-stuttgart.de 29.11.2007Frank Scholze Information DINI certificate http://nbn-resolving.de/urn:nbn:de:kobv:11-10075687 DINI repository list http://www.dini.de/wisspub/repositories/german/index.php OA network http://www.dini.de/oa-netzwerk/ OA citation (DOARC – Demonstrator) http://doarc.projects.isn-oldenburg.de/ DRIVER http://www.driver-repository.eu/
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www.uni-stuttgart.de Thank you! Frank Scholze Stuttgart University Library scholze@ub.uni-stuttgart.de
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