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xID Web ServicesxID Web Services
Roy TennantOCLC Research
OCLC Web Services and Lightning Talk Demos Monday, 22 February 2010
Code4Lib
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OverviewOverview
• xID In General
• xISBN – book grouping & metadata
• xOCLCnum – identifier crosswalking
• xISSN – serials history, information
• xID In Use
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ServicesServices
• Mapping between different identifiers (ISBN, LCCN, OCLCNUM…) of same edition
• Group alternate identifiers of the same work:
• e.g. different editions of “C Programming Language” book.
• e.g. print and electronic version of a journal.
• Basic metadata about a work (title, author,URL…)
• Links to other system, such as Google Books, HathiTrust
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In GeneralIn General
• REST-style Web Services
• XML, JSON, plaintext, etc.
• Support JSON call back
• Free to OCLC cataloging members, low volume access to everyone else
• Data mined from Worldcat bibliographic data, updated on a monthly basis
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• You give xISBN a manifestation identifier (ISBN) representing, say, 1998 Prentice Hall’s edition of “C programming language”
• It returns all other ISBNs we know about that represent other manifestations of “c programming language”, i.e. are the same work.
• It can also return other identifiers for these, such as OCLCnums and LCCNs.
xISBN addresses “work grouping” of manifestations, i.e. all editions.
0393956636
xISBNxISBN
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xOCLCnum can find any item we know about, not just those with ISBNs
• query with OCLCnum or LCCN
• get back OCLCnums, ISBNs, or LCCNs
• ~100 million listings, vs. 20 million in xISBN
• FRBR grouping same as WorldCat.orgcoverage extended coverage extended to to non-ISBN itemsnon-ISBN items
coverage extended coverage extended to to non-ISBN itemsnon-ISBN items
xOCLCnumxOCLCnum
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xISSN relates alternate editions of serials. somewhat like xISBN work-grouping:
• Alternate formats: e.g. print/electronic
• Predecessor, successor relationships
• Title merges, splits
• Peer reviewed status
• also, returns serials metadata
xISSNxISSN
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xISSN Title History ToolxISSN Title History Tool
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xID has been built into many sites and products and projects, including:
• LibX
• Python WorldCat API module
• xISBN bookmarklet
• Aquabrowser, Koha, SFX integration
• xISSN titlehistory tool
• Bookchaser.com
• Bookmooch.com
• and more!
xID In UsexID In Use
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Future:• xISSN: - ISSN-L integration - More complete information such as journal URL and RSS feeds.
• xISBN / XOCLCNUM: - Unifying book-related identifiers into one service
What would YOU like to see?
What would YOU like to see?
Recent: • Search in a library feature, supports Hathitrust, OCA eBooks, Internet Archive, Wikipedia, etc.
• Guess/Lookup of publisher information based on ISBN
Recent and Future workRecent and Future work