transparent and scalable open url quality metrics
DESCRIPTION
Description of a method for creating transparent and scalable openURL quality metrics. This system compares metadata quality across content providers. The reports can be used to inform acquisition decisions when evaluating content providers that offer openURL linking from their sites.TRANSCRIPT
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Transparent and Scalable OpenURL Quality Metrics
Adam ChandlerCornell University Library
er&l, Austin, Texas, February 2, 2010
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OpenURL model
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incoming OpenURL
http://linkresolver.library.cornell.edu:4550/resserv?&url_ver=z39.88-2004&url_ctx_fmt=info:ofi/fmt:kev:mtx:ctx&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.atitle=item-level+usage+statistics+a+review+of+current+practices+and+recommendations+for+normalization+and+exchange&rft.auinit=c&rft.aulast
=merk&rft.date=2009&rft.epage=162&rft.genre=article&rft.issn=0737-8831&rft.issue=1&rft.place=bingley&rft.pub=emerald+group+publishing+limited&rft.spage=151&rft.stitle=libr+hi+tech&rft.title=library+hi+tech&rft.volume=27&rfr_id=info:sid/www.isinet.com:wok:wos&rft.au=scholze,+f&rft.au=windisch,+n&rft_id=info:doi/10.1108%2f07378830910942991/
in our knowledge base?
title: Library hi tech issn: 0737-8831 start date: 19970101 end date:
link-to syntax for Emerald
http://www.emeraldinsight.com/rpsv/cgi-bin/cgi?body=linker&reqidx=#@ISSN-HYPHEN#(#@DATE#)#@VOLUME#:#@ISSUE#L.#@SPAGE#
OpenURL model
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OpenURL timeline
1999
Gartner Hype Cycle. Source: http://en.wikipedia.org/wiki/Hype_cycle
2004
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NISO OpenURL Quality Initiative
Adam Chandler (chair). Cornell University Library
Susan Marcin. Columbia University
Oliver Pesch. EBSCO Information Services
Ellen Rotenberg. Thomson Reuters
Elizabeth Winter. Georgia Tech Library
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NISO OpenURL Quality Initiative
• Two year project
• Focus on incremental improvements, based around quarter (three month) time units
• Report at the end of the two years will make a recommendation about continuation
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“Transparent and Scalable OpenURL Quality Metrics”
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Mellon funded planning grant for L'Année philologique
Is it possible to build an expert system that will evaluate the quality of OpenURLs from a content provider?
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Constant: Core elements used by content providers in their link-to targets
title - 64%
spage - 64%
volume - 61%
issue - 60%
date - 48%
aulast - 47%
issn - 35%
atitle - 35%
DOI - 14%
ISBN – 5%
Based on an analysis of link-tos in the Cornell instance of the III WebBridge link resolver product.
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origin report for libx
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origin report for Summon
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core element report for ISSN
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Global use of OpenURL elements
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Frequency within 4,218,498 OpenURLs
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Frequency within 4,218,498 OpenURLs
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Frequency within 4,218,498 OpenURLs
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Inherent problems with the OpenURL linking model
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Next steps
• migrate system to NISO domain/server
• create screencasts and other documentation
• engage OQ Working Group members and others in analysis of data
• refine and enhance reports
• start talking to content providers about their link-to services
• more data
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Adam ChandlerDatabase Management and Electronic Resources Research LibrarianCentral Library OperationsCornell University Librarytel: 607-255-5760email: [email protected]
http://openurlquality.blogspot.com