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OpenURL Structure and Function. By Steve Bischof, Wesleyan University. OpenURL Structure and Function. Version 0.1 and Version 1.0. What is an OpenURL.

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Openurl structure and function

OpenURL Structure and Function

By

Steve Bischof,

Wesleyan University


Openurl structure and function1

OpenURL Structure and Function

Version 0.1 and Version 1.0


What is an openurl
What is an OpenURL

  • http://ctwsfx.wesleyan.edu:9003/sfx_local/?sid=HWW:GSFT&genre=article&pid=%3Can%3E199809103552023%3C%2Fan%3E&aulast=Teresi&aufirst=Dick&issn=0274-7529&title=Discover&stitle=Discover&atitle=Monster+of+the+tub&volume=19&issue=4&spage=86&epage=92&date=1998-04


How it works
How it works

Source Resolver Target

MLA Local server JSTOR


Parts of the openurl
Parts of the OpenURL

Base URL: ? Query

Origin and Object description

GLOBAL-IDENTIFIER-ZONE and

OBJECT-METADATA-ZONE and

LOCAL-IDENTIFIER-ZONE


Base url and origin
Base URL and Origin

  • Base URL

    • http://ctwsfx.wesleyan.edu:9003/sfx_local/?

  • Origin Description

    • sid=HWW:GSFT

    • sid=Ovid:PsychINFO


Global identifier zone
Global Identifier Zone

  • doi : digital object identifier

  • pmid : PubMed identifier

  • bibcode : identifier used in Astrophysics Data System

  • oai : identifier used in the Open Archives initiative


Object metadata genre
Object Metadata -- Genre

  • Bundles

    • Journal: a journal, volume of a journal

    • Book: a book

    • Conference: complete proceedings of a conference

  • Items

    • Article: a journal article

    • Preprint: a preprint

    • Proceeding: a conference proceeding

    • Bookitem: an item that is part of a book


Object metadata
Object Metadata

  • Aulast: The first author's last name

  • Aufirst: The first author's first name

  • Auinit: The first author's first and middle initials

  • Auinit1: The first author's first initial

  • Auinitm: The first author's middle initials

  • Issn: An ISSN number

  • Eissn: An electronic ISSN number

  • Coden: A CODEN

  • Isbn: An ISBN number


Object metadata1
Object Metadata

  • Sici: A SICI of a journal article or volume

  • Bici: A BICI for a section of a book

  • Title: The title of a bundle (journal, book, etc)

  • Stitle: The abbreviated title of a bundle

  • Atitle: The title of an individual item

  • Volume: The volume of a bundle

  • Part: The part of a bundle

  • Issue: The issue of a bundle


Object metadata2
Object Metadata

  • Spage: The start page of an individual item

  • Epage: The end page of an individual item

  • Pages: This field is ' spage-epage'

  • Artnum: The number of an individual item

  • Date: YYYY-MM-DD, YYYY-MM, YYYY

  • Ssn: The season of publication

  • Quarter: The quarter of publication


Local identifier
Local Identifier

  • LOCAL-IDENTIFIER-ZONE consists of a pid (private identifier) tag-name and a corresponding tag-value

  • pid=%3Can%3E199809103552023%3C%2Fan%3E


Next step
Next Step

  • OpenURL version 1.0

  • NISO standard Z39.88

  • Use GET or POST and use Keyed Values or XML

  • The new standard does not:

    • Constrain the type of resource that can be referenced

    • Require or constrain responses to an OpenURL request

    • Constrain the purpose for which the ContextObject is transported


Three ways to to send metadata
Three Ways to to send Metadata

  • Packed-Value transport – representations of ContextObjects are delivered as values

  • By-Reference transport – the network location of representations of ContextObjects is delivered

  • Inline transport – representations of ContextObjects are delivered as Key/Encoded Value pairs


Parts of a context object
Parts of a Context Object

  • The Referent : resource that is referenced

  • The Referring Entity: the entity that references the Referent

  • The Requester: the end user that is requesting the service

  • The Service Type: the nature of services being requested of the Resolver

  • The Resolver:the OpenURL Resolver at which the request is directed

  • The Referrer: the site or application that is generating the request


Inline transport
Inline transport

http://www.example.net/menu?

url_ver = Z39.88-2003 &

url_tim = 2002-03-20T08:55:12Z &

url_ctx_fmt = ori:fmt:kev:mtx:ctx

& rft_id = ori:doi:10.1126/science.275.5304.1320

& rft_id = ori:pmid:9036860

& rft_val_fmt = ori:fmt:kev:mtx:journal

& rft.title = Science

& rft.atitle = Isolation of a common receptor for coxsackie B

viruses and adenoviruses 2 and 5

& rft.aulast = Bergelson

& rft.auinit = J

& rft.date = 1997

& rft.volume = 275

& rft.spage = 1320

& rft.epage = 1323

& rfe_id = ori:doi:10.1006/mthe.2000.0239

& rfr_id = ori:db:elsevier.com:ScienceDirect

& req_id = uri:mailto:[email protected]

& ctx_tim = 2002-03-20T08:55:12Z

& ctx_enc = UTF-8


Other methods
Other Methods

By-Reference transport

http://www.example.net/menu?

url_ver = Z39.88-2003 &

url_tim = 2002-08-16T17:23:45Z &

url_ctx_fmt = ori:fmt:kev:mtx:ctx &

url_ctx_ref = uri:http://www.example.org/temp/12587.txt

Packed-Value transport

http://www.example.net/menu?

url_ver = Z39.88-2003 &

url_tim = 2002-08-16T17:23:45Z &

url_ctx_fmt = ori:fmt:kev:mtx:ctx &

url_ctx_val = rft_id=ori:doi:10.1126/science.275.5304.1320


Format keys
Format Keys

http://www.example.net/menu?

url_ver = Z39.88-2003 &

url_tim = 2002-03-20T08:55:12Z &

url_ctx_fmt = ori:fmt:kev:mtx:ctx

& rft_id = ori:doi:10.1126/science.275.5304.1320

& rft_id = ori:pmid:9036860

& rft_val_fmt = ori:fmt:kev:mtx:journal


Metadata formats
Metadata Formats

  • Either kev or xml

    • ori:fmt:kev:mtx:journal

    • ori:fmt:kev:mtx:book

    • ori:fmt:kev:mtx:patent

    • ori:fmt:xml:xsd:dissertation


Ori fmt kev mtx journal

aulast

aufirst

auinit

auinit1

auinitm

ausuffix

au

aucorp

atitle

title

jtitle

stitle

date

chron

ssn

quarter

volume

part

issue

spage

epage

pages

artnum

issn

eissn

coden

sici

genre

ori:fmt:kev:mtx:journal


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