ALA Midwinter 2011 Holdings Update

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Carol Anne Meyer talks about CrossRef DOIs and how to find them at the American Library Association Midwinter meeting in San Diego January 2011

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ALA Midwinter 2011 Holdings Update

  1. 1. Links in San Diego CrossRef and Holdings Information Carol Anne Meyer ALA Midwinter Business Development & Marketing Holdings Update Forum 8 January 2011
  2. 2. My Charge We would like to understand if issue # and date of coverage are useful or key for e-journal content access
  3. 3. My Response Yes
  4. 4. Thank You! cmeyer@crossref.org
  5. 5. Today’s Agenda • Why the DOI and CrossRef? • What is a DOI? • What does CrossRef do? • What do I do with a CrossRef DOI when I nd one? • How do I nd CrossRef DOIs? • Local Link Resolvers and OpenURL • CrossRef reports
  6. 6. From roadblock…to Easy, reliable navigation
  7. 7. Broken links are a problem
  8. 8. What is a DOI?
  9. 9. What is a DOI? Digital
  10. 10. What is a DOI? Digital Object
  11. 11. What is a DOI? Digital Object Identifier
  12. 12. What is a DOI? Digital Object Identifier
  13. 13. It serves as a stable link to that content’s digital location
  14. 14. It looks like this:
  15. 15. DOI-enabled linking
  16. 16. DOI Syntax
  17. 17. DOI Syntax
  18. 18. Services
  19. 19. Services • Cross-publisher reference linking
  20. 20. Services • Cross-publisher reference linking • Cross-publisher cited- by linking
  21. 21. Services • Cross-publisher reference linking • Cross-publisher cited- by linking • Cross-publisher third metadata feeds to parties
  22. 22. Services • Cross-publisher reference linking • Cross-publisher cited- by linking • Cross-publisher third metadata feeds to parties • Cross-publisher plagiarism screening Powered by iThenticate
  23. 23. Services • Cross-publisher reference linking • Cross-publisher cited- by linking • Cross-publisher third metadata feeds to parties • Cross-publisher plagiarism screening Powered by iThenticate • Cross-publisher update service
  24. 24. 23,356 1,650 Text
  25. 25. 3,277 1,650 PUBLISHERS AND SOCIETIES LIBRARY AFFILIATES 23,356 1,650 Text 23,356 141,811 JOURNAL TITLES BOOKS
  26. 26. Content beyond journals… • Books 6% 6% 1% • Standards • Proceedings • Images • Figures • Datasets 87% • Working papers • Dissertations Journals Books Conference
Proceedings Components
  27. 27. Linking 5 Centuries of Content Century # of DOIs deposited 17th 1,686 18th 4,200 19th 651,584 20th 20,804,031 21st 13,914,241
  28. 28. Linking 5 Centuries of Content Century # of DOIs deposited 17th 1,686 18th 4,200 19th 651,584 20th 20,804,031 21st 13,914,241
  29. 29. Linking 5 Centuries of Content Century # of DOIs deposited 17th 1,686 18th 4,200 19th 651,584 20th 20,804,031 21st 13,914,241 1665
  30. 30. has more than 1000 members • Scientific, Technical, and Medical • Humanities • Social Sciences • Professional
  31. 31. is “business- model neutral” • Links deliver the user to the publisher’s front door. Access control is up to the publisher. Photo: Tawheed Manzoor
  32. 32. • Represents 56 countries
  33. 33. membership • Commercial publishers • Academic societies • Other non-profits • University presses • Open access publishers • Institutional repositories
  34. 34. is free for libraries and end users
  35. 35. What do I do with a CrossRef DOI? Make it actionable in a browser!
  36. 36. What do I do with a CrossRef DOI? Make it actionable in a browser!
  37. 37. http://dx.doi.org/10.1006/jmpi.1995.0238
  38. 38. Search for it Publisher Site Reference to article
  39. 39. How do I nd CrossRef DOIs? •For People • For Systems • Simple Text Query • Open URL Lookup • Guest Query • CrossRef Query System • CrossRef Metadata Search (pilot) • CrossRef Metadata Service • Blog Plugin (pilot) • Firefox Search plug-in (pilot)
  40. 40. Do not attempt to derive CrossRef DOIs! 29 Source: alexliivet from Flickr
  41. 41. http://www.crossref.org/help/CrossRef_Help.htm
  42. 42. Simple-Text Query • A freely available, easy-to-use tool to retrieve DOIs. • A custom version of Inera’s eXtyles® refXpress parses unstructured references into granular, valid XML and returns any matching DOIs for those references • NOT for bulk use for individuals looking for a DOI • There is NO programmatic interface to this service
  43. 43. Guest Query • Also a freely available, easy-to-use tool to retrieve DOIs. • A fielded search form where you enter bibliographic data.
  44. 44. http://www.crossref.org/guestquery/
  45. 45. CrossRef Metadata Search • Also a freely available, easy-to-use tool to retrieve DOIs • A pilot project with a simple search interface • Retrieval technology is different from Simple Text Query and Guest Query-- may return different results • An API is available
  46. 46. http://labs.crossref.org/site/crossref_metadata_search.html
  47. 47. This service does have an API www.crossref.org/sigg/sigg/help
  48. 48. … MORE
  49. 49. Firefox Search Plugin • Also a freely available, easy-to-use tool to retrieve DOIs • A pilot project--not a production tool • An Open Search tool that allows their browser search CrossRef Metadata from users to search bar.
  50. 50. Blog Plugin • Also a freely available, easy-to-use tool to retrieve DOIs • A pilot tool rather than a production service • Works with WordPress • A tool for bloggers to look up DOIs in their authoring environment
  51. 51. The formatted and linked citation is inserted at the cursor position.
  52. 52. Open URL Interface -for systems • A free service for libraries • Must register a valid email address to use at http://www.crossref.org/requestaccount/
  53. 53. DOI and OpenURL • OpenURL is workan alternative to CrossRef and DOIs – they not together • The DOI system and CrossRef are OpenURL aware; therefore publishers are OpenURL enabled via use of CrossRef and DOIs
  54. 54. Appropriate Copy Problem Local OPAC Aggregator
  55. 55. Localized Linking via DOI Redirection • Library installs local linking server • User in library context clicks on a DOI link • A “cookie” on user’s machine alerts DOIserver server to redirect this DOI to the local linking proxy • Article-level metadata neededthe link orresolution can come from the source of for local from CrossRef via OpenURL
  56. 56. Where is the magic? Here! DX.DOI.ORG OpenURL Aware Registering the IP address of your http://dx.doi.org/ Local Link Server via CrossRef doi=10.1034/j. tells the DX resolver to send links 1399-0039.2000.560502.x back to the LLS and not on to the http://REGISTERED-ADDRESS/? publisher. doi=10.1034/j.1399-0039.2000.560502.x DOI Metadata Server
  57. 57. CrossRef OpenURL Parameters Metadata &aulast &title &volume &issue &spage &date &issn
  58. 58. HTTP://www.crossref.org/openurl http://www.crossref.org/openurl/? title=Biochemistry &aulast=Wireman &volume=13 &spage=1215 &date=1974 &pid=email@address.com
  59. 59. OpenURL directs to URL by default
  60. 60. http://www.crossref.org/openurl/? title=Biochemistry &aulast=Wireman &volume=13 &spage=1215 &date=1974 &redirect=false &pid=email@address.com
  61. 61. XML Results returned from OpenURL query when &redirect=false
  62. 62. http://www.crossref.org/openurl/? title=Biochemistry &aulast=Wireman &volume=13 &spage=1215 &date=1974 &redirect=false &format=unixref &pid=email@address.com
  63. 63. OpenURLs also work with minimal metadata http://www.crossref.org/openurl/? &aulast=Wireman &title=Properties of 30S ribosomal particles reconstituted from precursor 16S ribonucleic acid &redirect=false &format=unixref &pid=email@address.com
  64. 64. And if you have the DOI and want the metadata … http://www.crossref.org/ openurl/? id=doi:10.1021/bi00703a025 &redirect=false &format=unixref &pid=email@address.com
  65. 65. CrossRef Query System -interface for systems
  66. 66. CrossRef Query System -interface for systems • Can do more than with OpenURL interface.
  67. 67. CrossRef Query System -interface for systems • Can do more than with OpenURL interface. –fuzzy) the matching process (fuzzy vs. not- Control
  68. 68. CrossRef Query System -interface for systems • Can do more than with OpenURL interface. –fuzzy) the matching process (fuzzy vs. not- Control –Multiple queries in one request
  69. 69. CrossRef Query System -interface for systems • Can do more than with OpenURL interface. –fuzzy) the matching process (fuzzy vs. not- Control –Multiple queries in one request –result can not be reduced to one DOI)(when Allow multiple hits for a single query
  70. 70. CrossRef Query System -interface for systems • Can do more than with OpenURL interface. –fuzzy) the matching process (fuzzy vs. not- Control –Multiple queries in one request –result can not be reduced to one DOI)(when Allow multiple hits for a single query –OpenURL) in XML (can’t do that with Build queries
  71. 71. CrossRef Query System -interface for systems • Can do more than with OpenURL interface. –fuzzy) the matching process (fuzzy vs. not- Control –Multiple queries in one request –result can not be reduced to one DOI)(when Allow multiple hits for a single query –OpenURL) in XML (can’t do that with Build queries –receive resultsfilesbulk many queries and Upload large in with
  72. 72. CrossRef Query System -interface for systems • Can do more than with OpenURL interface. –fuzzy) the matching process (fuzzy vs. not- Control –Multiple queries in one request –result can not be reduced to one DOI)(when Allow multiple hits for a single query –OpenURL) in XML (can’t do that with Build queries –receive resultsfilesbulk many queries and Upload large in with –Uses simple HTTP GET and POST
  73. 73. CrossRef Query System • registered aemail address) account (not just a Requires proper CrossRef • No fee for libraries. See www.crossref.org/help
  74. 74. Best Practice for Querying CrossRef System • Use Journal Titles rather than ISSNs See www.crossref.org/help
  75. 75. CrossRef Metadata Services • Allows a bulk download of CrossRef data • Accessible by OAI-PMH Interface • For-fee service
  76. 76. Best Practices for Querying • Should I use the publication date? • The Volume? • The Issue? 71
  77. 77. Best Practices for Querying • Should I use the publication date? • The Volume? • The Issue? YES! 71
  78. 78. The more metadata you submit, the better your results • Author first name, last name • Journal title • ISSN • Volume • Issue • Page Number • Publication date 72
  79. 79. CrossRef Reports
  80. 80. 44 million CrossRef DOIs and Counting-- Almost 40 million DOI Clicks per month !"#$%&'("))*+,&-./)& #!$!!!$!!!" (#$!!!$!!!" (!$!!!$!!!" '#$!!!$!!!" '!$!!!$!!!" &#$!!!$!!!" &!$!!!$!!!" %#$!!!$!!!" %!$!!!$!!!" #$!!!$!!!" !" &!!&" &!!'" &!!(" &!!#" &!!)" &!!*" &!!+" &!!," &!%!"
  81. 81. Why Libraries Join CrossRef
  82. 82. Why Libraries Join CrossRef • Truly persistent links
  83. 83. Why Libraries Join CrossRef • Truly persistent links • Increased usage of library-provided resources
  84. 84. Why Libraries Join CrossRef • Truly persistent links • Increased usage of library-provided resources • Expanded discoverability of content outside collection
  85. 85. Why Libraries Join CrossRef • Truly persistent links • Increased usage of library-provided resources • Expanded discoverability of content outside collection • Linking to the appropriate copy
  86. 86. Why Libraries Join CrossRef • Truly persistent links • Increased usage of library-provided resources • Expanded discoverability of content outside collection • Linking to the appropriate copy • Free DOI and Metadata lookup
  87. 87. Thank you! cmeyer@crossref.org

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