Mapping a Dental Library Collection Using OCLC’s Worldcat Analysis Service Presented by: Jan Cox, Head Librarian Barbara G...
Background:  Indiana University School of Dentistry <ul><li>Established 1879 </li></ul><ul><li>Only Dental School in India...
Background:  Indiana University School of Dentistry (cont.) <ul><li>Problem Based Learning Curriculum (PBL) Introduced  19...
Background:  Indiana University School of Dentistry Library <ul><li>Established:  Faculty Library 1881 </li></ul><ul><li>“...
OCLC WorldCat Collection Analysis (WCA) Service <ul><li>April 2005 – OCLC announces WCA service </li></ul><ul><li>Designed...
<ul><li>“ Libraries can analyze their entire collection as a single entity, regardless of classification schemes used in t...
Collection Analysis Opportunity <ul><li>CIC/OCLC WCA Agreement – December 2005 </li></ul><ul><li>54 participating librarie...
Rationale For Participation <ul><li>Administrative Communication </li></ul><ul><li>Grant Application Support </li></ul><ul...
Rationale For Participation (cont.) <ul><li>Cooperative Collection Development Opportunities </li></ul><ul><li>Deep Analys...
Challenges/Limits <ul><li>Access to group libraries only </li></ul><ul><li>University of Michigan did not participate </li...
Challenges/Limits (cont.) <ul><li>“ No Call # Present” (aka Unknown)– Carry over from iCAS product not yet resolved </li><...
Subcription Options <ul><li>Consortial purchase </li></ul><ul><ul><li>Less expensive </li></ul></ul><ul><ul><li>Can compar...
Advantages to WCA <ul><li>If you are experienced with Excel the database is extremely easy to use </li></ul><ul><li>Lots o...
Advantages of WCA (cont.) <ul><li>Check the duplication rate with peer libraries </li></ul><ul><li>Identify duplication ra...
Getting Started. . .  <ul><li>Choose the type of analysis </li></ul><ul><ul><li>a. Publication date (age) </li></ul></ul><...
Age Data Displayed as Number Only
Age Data Displayed as Percentage Only
Age Data Displayed as Number & Percent
Getting Started (cont.) <ul><li>Choose your limits </li></ul><ul><li>a. Library ( for us one or more CIC libraries ) </li>...
Limits Available
Limits cont.
Additional Analysis – Overlap
Additional Analysis - Uniqueness
Recognize Some of the Problems <ul><li>Instant graph capabilities </li></ul><ul><ul><li>Data not normalized </li></ul></ul...
Instant Graphs . . . .
Isn’t This Great!?!?  (Until you look a little closer)
Overcoming the Graph Problem <ul><li>Manipulation required to normalize </li></ul><ul><ul><li>Need to download all the OCL...
Normalizing the Data
Transfer the Numbers to the Spreadsheet
Now This Looks a Lot Better!
Problems for Medical Libraries <ul><li>WCA maps individual records based on call number </li></ul><ul><ul><li>First looks ...
LC vs NLM – It’s a Problem . . . .
Conclusions <ul><li>It’s a good product </li></ul><ul><li>Good customer service support </li></ul><ul><li>Know what you wa...
References <ul><li>Lyons, L. E. A Critical Examination of the Assessment Analysis Capabilities of OCLC ACAS.  Journal of A...
Contact Information <ul><li>Jan Cox, Head Librarian,  [email_address] </li></ul><ul><li>Barbara A. Gushrowski, Access & In...
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Mapping a Dental Library Collection Using OCLC's Worldcat ...

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Mapping a Dental Library Collection Using OCLC's Worldcat ...

  1. 1. Mapping a Dental Library Collection Using OCLC’s Worldcat Analysis Service Presented by: Jan Cox, Head Librarian Barbara Gushrowski, Access & Instructional Services Librarian Ohio Valley Group of Technical Services Librarians Annual Conference Bowling Green, Kentucky May 17, 2007
  2. 2. Background: Indiana University School of Dentistry <ul><li>Established 1879 </li></ul><ul><li>Only Dental School in Indiana </li></ul><ul><li>Degrees/Programs: DDS, Dental Hygiene, Dental Assisting </li></ul><ul><li>Graduate Degrees: Endodontics, Orthodontics, Pediatric Dentistry, Periodontics, Prosthodontics </li></ul>
  3. 3. Background: Indiana University School of Dentistry (cont.) <ul><li>Problem Based Learning Curriculum (PBL) Introduced 1997 </li></ul><ul><li>Faculty: 107 Full time </li></ul><ul><li>113 Part time </li></ul><ul><li>100 Adjunct/Volunteer instructors </li></ul><ul><li>Students: 655 </li></ul>
  4. 4. Background: Indiana University School of Dentistry Library <ul><li>Established: Faculty Library 1881 </li></ul><ul><li>“ Library” contains 900 volumes 1920 </li></ul><ul><li>First Librarian hired 1927 </li></ul><ul><li>Volumes: 58,569 as of 6/30/06 (monographs & serials) </li></ul><ul><li>Monographs: 26,465 as of 6/30/07 </li></ul><ul><li>Staff: 5.79 FTE </li></ul>
  5. 5. OCLC WorldCat Collection Analysis (WCA) Service <ul><li>April 2005 – OCLC announces WCA service </li></ul><ul><li>Designed as cost effective, “real-time” collection evaluation tool </li></ul><ul><li>Analysis Options: Age, Subject, Title </li></ul><ul><li>overlap, Title uniqueness, Peer Library </li></ul>
  6. 6. <ul><li>“ Libraries can analyze their entire collection as a single entity, regardless of classification schemes used in their catalog, and libraries can compare their collection with that of other libraries regardless of the classification scheme used.” -- Source: Advanced Technology Libraries </li></ul>
  7. 7. Collection Analysis Opportunity <ul><li>CIC/OCLC WCA Agreement – December 2005 </li></ul><ul><li>54 participating libraries </li></ul><ul><li>Peer libraries: 4 with DDS degree programs </li></ul><ul><li>125 year old collection </li></ul><ul><li>Snapshots – book holdings, peer library comparisons </li></ul>
  8. 8. Rationale For Participation <ul><li>Administrative Communication </li></ul><ul><li>Grant Application Support </li></ul><ul><li>Accreditation Self-Study Support </li></ul><ul><li>Collection Development Planning </li></ul>
  9. 9. Rationale For Participation (cont.) <ul><li>Cooperative Collection Development Opportunities </li></ul><ul><li>Deep Analysis of Subject Areas </li></ul><ul><li>Fiscal Accountability </li></ul><ul><li>Budget Request Justification </li></ul>
  10. 10. Challenges/Limits <ul><li>Access to group libraries only </li></ul><ul><li>University of Michigan did not participate </li></ul><ul><li>Large amount of data </li></ul><ul><li>Unable to download directly into Excel – must convert </li></ul>
  11. 11. Challenges/Limits (cont.) <ul><li>“ No Call # Present” (aka Unknown)– Carry over from iCAS product not yet resolved </li></ul><ul><li>Comparison designed for LC/Dewey </li></ul><ul><li>Lack of NLM/MeSH sort </li></ul><ul><li>Rapidity with which data becomes out-of-date </li></ul>
  12. 12. Subcription Options <ul><li>Consortial purchase </li></ul><ul><ul><li>Less expensive </li></ul></ul><ul><ul><li>Can compare with any library in the consortia </li></ul></ul><ul><ul><li>Can create your own groups within the consortia </li></ul></ul><ul><li>Stand alone purchase </li></ul><ul><ul><li>More expensive </li></ul></ul><ul><ul><li>Able to select peer institutions from all OCLC users </li></ul></ul><ul><ul><li>OCLC sets up the groups </li></ul></ul>
  13. 13. Advantages to WCA <ul><li>If you are experienced with Excel the database is extremely easy to use </li></ul><ul><li>Lots of rich data to massage </li></ul><ul><li>Ability to measure collection strengths/ adequacy </li></ul><ul><li>Age analysis – Identification for updating/ weeding </li></ul>
  14. 14. Advantages of WCA (cont.) <ul><li>Check the duplication rate with peer libraries </li></ul><ul><li>Identify duplication rate w/in core subjects </li></ul><ul><li>Identify duplication rate w/in non-core subjects </li></ul><ul><li>Identify time periods where duplication is highest/lowest </li></ul>
  15. 15. Getting Started. . . <ul><li>Choose the type of analysis </li></ul><ul><ul><li>a. Publication date (age) </li></ul></ul><ul><ul><li>b. Overlap (how many titles you share) </li></ul></ul><ul><ul><li>c. Uniqueness (how many titles you don’t share) </li></ul></ul><ul><li>Choose how to display data </li></ul><ul><li>a. Number only </li></ul><ul><li>b. Percentage only </li></ul><ul><li>c. Number and percent </li></ul>
  16. 16. Age Data Displayed as Number Only
  17. 17. Age Data Displayed as Percentage Only
  18. 18. Age Data Displayed as Number & Percent
  19. 19. Getting Started (cont.) <ul><li>Choose your limits </li></ul><ul><li>a. Library ( for us one or more CIC libraries ) </li></ul><ul><li>b. Division ( by LC classification ) </li></ul><ul><li>c. Publication Date ( date ranges – MARC 008; 260 $c ) </li></ul><ul><li>d . Language (54 languages available – MARC 008) </li></ul><ul><li>e. Format (28 different ones – Maps, books etc) </li></ul><ul><li>f. Audience (adult – juvenile; MARC 008) </li></ul>
  20. 20. Limits Available
  21. 21. Limits cont.
  22. 22. Additional Analysis – Overlap
  23. 23. Additional Analysis - Uniqueness
  24. 24. Recognize Some of the Problems <ul><li>Instant graph capabilities </li></ul><ul><ul><li>Data not normalized </li></ul></ul><ul><ul><li>Comparing apples to oranges (or decades to single years) </li></ul></ul>
  25. 25. Instant Graphs . . . .
  26. 26. Isn’t This Great!?!? (Until you look a little closer)
  27. 27. Overcoming the Graph Problem <ul><li>Manipulation required to normalize </li></ul><ul><ul><li>Need to download all the OCLC records </li></ul></ul><ul><ul><li>Sort by date </li></ul></ul><ul><ul><li>Add fields to the spreadsheet </li></ul></ul>
  28. 28. Normalizing the Data
  29. 29. Transfer the Numbers to the Spreadsheet
  30. 30. Now This Looks a Lot Better!
  31. 31. Problems for Medical Libraries <ul><li>WCA maps individual records based on call number </li></ul><ul><ul><li>First looks for LC number - 050 </li></ul></ul><ul><ul><li>Then a locally-defined LC call number - 090 </li></ul></ul><ul><ul><li>Then the Dewey number – 082 </li></ul></ul><ul><ul><li>Then a locally-defined Dewey number - 092 </li></ul></ul><ul><ul><li>Then FINALLY NLM number – 060 </li></ul></ul><ul><ul><li>Or locally defined NLM – 096 </li></ul></ul>
  32. 32. LC vs NLM – It’s a Problem . . . .
  33. 33. Conclusions <ul><li>It’s a good product </li></ul><ul><li>Good customer service support </li></ul><ul><li>Know what you want to accomplish with WCA </li></ul><ul><li>Know it’s limitations </li></ul><ul><li>Ease on down the road! </li></ul>
  34. 34. References <ul><li>Lyons, L. E. A Critical Examination of the Assessment Analysis Capabilities of OCLC ACAS. Journal of Academic Librarianship v. 31 no. 6 (Nov. 2005) p. 506-516. </li></ul><ul><li>OCLC Launches Worldcat Collection Analysis Service. Advanced Technology Libraries v. 34 no. 4 (April 2005) p 1, 10-11. </li></ul><ul><li>Spires, T. Using OCLC’s Worldcat Collection Analysis to Evaluate Peer Institutions. Illinois Libraries (Online) v. 86 no. 2 (Summer 2006) p. 11-19. </li></ul>
  35. 35. Contact Information <ul><li>Jan Cox, Head Librarian, [email_address] </li></ul><ul><li>Barbara A. Gushrowski, Access & Instructional Services Librarian, bgushrow@iupui.edu </li></ul>

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