1. xID Web services Xiaoming Liu Senior Software Engineer OCLC

2. xID in general xISBN – BOOK grouping & metadata xOCLCnum - includes everything xISSN – serials formats, history xISBN Bookmarklets xID projects out there Overview

3. Mapping between different identifiers (ISBN, LCCN, OCLCNUM…) of same edition. Group alternate identifiers of same work. e.g. different editions of C Programming Language book. e.g. print and electronic version of a journal. Basic metadata (title, author,URL…) Link to other system, such as wikipedia, Hathitrust. Goal

4. REST-style Web services XML, JSON, plaintext, php, etc Support JSON call back Free to OCLC cataloguing member. Low volume access to non-members. Based on data mining of Worldcat bibliographic data. Updated on a monthly basis. In general

5. You give xISBN a manifestation identifier (ISBN) representing, say, 1998 Prentice Halls 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 xISBN

6. 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.org coverage extended to non-ISBN items xOCLCnum

7. xISSN relates alternate editions of serials. somewhat like xISBN work-grouping: Alternate formats: e.g. print/electronic Predecessor, successor relationships Title merges, splits also, returns serials metadata xISSN

8. xISBN bookmarklets

9. Expand ISBN searches of your OPAC to include all editions. xISBN bookmarklets

10. Expand ISBN searches of your OPAC to include all editions. Downloadable tailored for your library catalog. Downloadable browser bookmarklet tailored for your library catalog. Synchronized with. Thousands of libraries covered. Synchronized with WorldCat Registry. Thousands of libraries covered. xISBN bookmarklets

11. An easy way to set up an xISBN- enhanced search of your OPAC Expand ISBN searches of your OPAC to include all editions. automatically guesses and verifies your OPAC linking. Setup tool automatically guesses and verifies your OPAC linking. OPAC link guessing API xISBN bookmarklets

12. 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 this is just some of the big ones xID projects out there

13. University of Heidelberg mapping book relations in OPAC system Jacobs University OPAC Widget jOpac University de Liége Institutional repository University of Strathclyde SFX Many users of liblookup and LibX Some European usage

14. Future: xISSN: - ISSN-L integration - More complete information such as journal URL and RSS feeds. xISBN / XOCLCNUM: - Unifying book-related identifiers into one service 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 work

15. 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? 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 work