jenny walker 6 th march 2001 a review of linking……
TRANSCRIPT
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Jenny Walker
6th March 2001
A review of linking……
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The generic reference linking problem
Given:
the information in a standard citation
How:
does one get to the thing to which the citation refers?
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IFLA FRBR Model
– Work ( e.g. Disgrace by J.M. Coetzee)
– Expression (e.g. BBC Radio 4 serialisation)
– Manifestation (Hardback, Paperback, Audio Cassette)
– Item (Hardback copy owned by Jenny
Walker and signed by the author)
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not context-sensitive
static
Linking Frameworks: problems
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via pre-computation
requires control of the information environment
foolproof links
ISI Links, SilverLinker, IOPstatic
Linking Frameworks
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central database: unique identifiers & metadata
look-up facility: input metadata; output identifier
insertion of actionable identifiers in resources; identifiers point at a central resolver
staticDOI/CrossRef, PubMed/PubRef
Linking Frameworks
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CrossRef/DOI lookup
References
MetadataDOI
DOI
http://dx.doi.org/10.1093/toxsci/57.1.95
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not context-sensitive
Linking Frameworks: problems
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“A p p r o p r i a t e”
Inspec full text
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CrossRef/DOI resolution
References
MetadataDOI
DOI link
URL to
Publisher
DOI
http://dx.doi.org/10.1093/toxsci/57.1.95
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Elsevier e-Journals hosted by:
• Elsevier’s ScienceDirect service
• Your Library:
– ScienceDirect Onsite
– Proprietary eg OhioLink, Bibsam, others
• NESLI/SwetsNet (UK)
• Via Endeavor?
The appropriate copy
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The appropriate copy problem
Given:
the information in a citation to a journal article
How:
does a user get to an appropriate copy of the article?
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not context-sensitive
static
dynamic context-sensitive
Linking Frameworks
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Full text focusclosed
Linking Frameworks: limitations
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closed
Linking Frameworks
• Links are determined by the information service provider
•Librarian has little or no control over the type of links available
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Full text focus
Linking Frameworks
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Inspec full textCitation Databases OPAC or Ulrichs
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Full text focus closed
open Extended services
Linking Frameworks
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The context-sensitive services problem
Given:
bibliographic metadata
How:
does one deliver appropriate services for it?
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Links must work across multiple heterogeneous systems
Links must persist over time despite constant underlying changes
Linking must work for multiple formats of the same “work”.
Links must resolve to the “appropriate” copy.
Links should be to content, not systems.
Links should be creative!!
Linking Requirements