crossref

Information about crossref

Published on August 30, 2007

Author: Barbara

Source: authorstream.com

Content

Slide1:  DOI and CrossRef Richard O’Beirne Blackwell Publishing Seminar on Linking Technologies Edinburgh, 6 March 2001 Blackwell Publishing:  Blackwell Publishing Blackwell Publishing (2001) Blackwell Science [STM] Munksgaard [Danish STM] Blackwell Publishers [Humanities, Social sciences] Combined output 500+ journals 600 text and reference books p.a. Publishes on behalf of 550 academic and professional societies Online journals service: Synergy Also publish through 15+ aggregators and intermediaries Our involvement with CrossRef:  Our involvement with CrossRef One of twelve founder members Represented on Board by John Strange Represented on Technical Working Group and System Rewrite Group by Richard O’Beirne CrossRef organization:  CrossRef organization Publishers International Linking Association (PILA) - independent, not-for-profit, incorporated January 2000 Board of Directors AAAS (Science),Academic Press (Harcourt), AIP, ACM, Blackwell Science, Elsevier Science, IEEE, Kluwer, Nature, OUP, Springer, Wiley Fees, member terms, technical infrastructure and standards established See http://www.crossref.org What problem does CrossRef solve?:  15 bilateral relationships 6 network relationships What problem does CrossRef solve? What is CrossRef?:  What is CrossRef? A neutral, non-profit, independent membership organization Members: publishers of original scholarly material Users: publishers and any organization creating links to full text articles No need for bilateral linking agreements CrossRef System makes broad-based linking efficient and manageable CrossRef’s aims:  CrossRef’s aims Purpose 1: Enable persistent links from primary article references to the cited articles at other publishers’ sites Purpose 2: Maximize links to full text articles from all information resources Purpose 3: Enable links between all types of scholarly content (conference proceedings, books, encyclopedias, patents, etc) Current Status:  Current Status 68 Member publishers (60% are non-profit) Metadata deposited for 2.7 million articles from 6100 journals 2,735,247 records in CrossRef MDDB as of Mon Mar 5 00:52:20 EST 2001 System went live in June 2000: thousands of journals with links (Elsevier, Academic Press, Wiley, Springer, Blackwell Science) 3 million+ articles in 2001 0.5-1 million new articles per year Current Status: metadata depositors:  Current Status: metadata depositors CrossRef System - Components:  CrossRef System - Components Persistent Identifiers Digital Object Identifiers (DOIs) [http://www.doi.org] Standardized Metadata XML DTD [http://www.crossref.org] Resolution System (to get from Identifiers to Content) DOI/Handle System [http://www.handle.net] The Article Identifier:  The Article Identifier Digital Object Identifier (DOI) unique, persistent, NISO standard DOI System routes a DOI to a URL registered by publisher (and it can do a lot more besides…) With a DOI - linker doesn’t need to know publishers’ linking algorithms/systems if a publisher changes their URLs (or a journal moves to another publisher), DOI-enabled links will still work article is guaranteed to be online (only articles online get DOIs) DOI resolutions since CrossRef launch:  DOI resolutions since CrossRef launch DOI:  DOI DOI Problem how do you know what the DOI is for an article? CrossRef provides a database of DOIs and a DOI Lookup service (telephone book and directory assistance) The CrossRef Process:  The CrossRef Process Publishers deposit article metadata (including DOIs) in CrossRef database Publishers query references from articles against CrossRef MDDB to lookup DOIs Publishers use DOIs to create reference links in their online journals Users click on reference links and go to other Publishers’ site CrossRef Metadata :  CrossRef Metadata Admin Stuff DOI Batch ID - uniquely identifies batch Time Stamp - uniquely identifies batch Depositor - name and email for error messages Registrant - DOI Prefix owner Content Stuff DOI - for the DOI Directory URL - where the DOI resolves Article Title (optional) Author - first author last name Publication Date - electronic/print date Enumeration (volume, issue, page) Journal Title, ISSN/Code Metadata file example:  Metadata file example Slide17:  Slide18:  Workflow for reference linking:  Workflow for reference linking 3. Journal production systems export articles with DOIs 2. DOI Lookup: a Journal production system requests a DOI based on citation metadata 1. Journal production systems export metadata to MDDB as new articles are published 4. Users may request and retrieve articles via DOI resolution system CrossRef MDDB Publisher Online Journal System Publisher Production System DOI Resolution - IDF System:  Online Journal 1 End User DOI Directory (Handle System) Online Journal 2 1. User Gets Article 2. User Clicks DOI 3. URL Returned 4. User Gets Cited Article DOI Resolution - IDF System Business Rules/Governance:  Business Rules/Governance CrossRef Membership Provide full bibliographic citation for incoming DOI links (‘response page’) many publishers will give free abstracts information on acquiring article (pay online, document delivery, subscription) Access to abstracts and full text controlled by publishers - business model neutral CrossRef guarantees links CrossRef Fees:  CrossRef Fees Principles operate on a cost recovery basis fees should be related to system usage no charges to end users to click links flexibility Fees Members: Annual Membership, Deposit, Retrieval (one-time for each DOI looked up) Affiliates: Annual Admin Fee, Retrieval See http://www.crossref.org Issues for the Future:  Issues for the Future Multiple Resolution one DOI = one URL is starting point multiple locations and multiple files ‘Appropriate Copy’ Issue (a.k.a ‘Contextualization’) Prototype with libraries (DLF, CNRI, IDF) http://www.niso.org/CNRI-mtg.html Access to 'Non-subscribed' Content Archive Repositories (JSTOR, ADS) Conclusion I:  Conclusion I CrossRef is a milestone Without CrossRef broad-based linking is not feasible (high costs, business issues and technical problems) DOIs and Metadata lay the groundwork for more sophisticated linking (URLs don’t) CrossRef is a vehicle for publishers to work with libraries and others Conclusion II:  Conclusion II Publishers need: excellent, easy-to-use CrossRef system technical support and information Users want: lots of links (to content and services) personalized/localized links easy (not necessarily free) access to full text More work to do… URLs:  URLs CrossRef – http://www.crossref.org DOI – http://www.doi.org Richard O’Beirne Blackwell Publishing [email protected]

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