To Supersede or Supplement: Profiling ebook aggregator collections vs. our print collections
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To Supersede or Supplement: Profiling ebook aggregator collections vs. our print collections

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Presentation given at Charleston Conference, November 6, 2007

Presentation given at Charleston Conference, November 6, 2007

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  • To emphasize the 2nd point…
  • ‘ Unique identifiers’ for books more numerous than for journals, much harder to work with Justify deletion because focused on titles that we could match to print collections
  • Requested data from all 4 major aggregators (5 Groups)
  • Net Library more books per year Ebrary subs has 1-2 year embargo Pattern of number among aggregators consistent across years Signs of peak in last 3 years?
  • Net library and MyI library have many unique books In overall collections, more than half of ebooks are unique to a single aggregator Flip side– Even using 3 out of 4 platforms, less than 50% of books would be available (on average) Prevents single or even dual aggregator model [ Proportion of books available by aggregator ]
  • Conclusions– No possibility of duplicating our current print monograph print profiles in the ebook world
  • ADD LC CLASS TABLE
  • <50% by more than one
  • Three out of four books these libraries boucght are not available from any aggregator
  • Pies of average below
  • ???
  • ???
  • “ Quiet challenge” to NetLibrary to expand their use rights to make their extensive collections usable
  • Any questions, thoughts, or reasons to call us crazy? Gbooks announcement?

To Supersede or Supplement: Profiling ebook aggregator collections vs. our print collections To Supersede or Supplement: Profiling ebook aggregator collections vs. our print collections Presentation Transcript

    • To Supersede
    • or
    • Supplement? :
    • Profiling E-book Aggregator Collections vs. Our Print Collections
    • Jason Price & John McDonald
    • Libraries, Claremont University Consortium
    • November 6, 2007
  • Motivation Consortium CEO requested a budget for the library to take a ‘paperless’ approach for future acquisitions -eJournals -eReference -eBooks (was to be supported by heavy ILL borrowing, though we don’t address that here)
  • Strategy
    • Assess availability and cost of replicating current purchasing patterns in e-format
    • Ignore usability & user preferences to start and let the numbers speak for themselves
    • Today’s talk will focus on availability of ebooks that match libraries’ print collection profiles
  • Other (more important?) factors…
    • … that should affect choice of aggregator(s)
    • Simultaneous use restrictions
    • Interface
    • Pricing model
    • Price point
    • Digital rights management
  • e.g. DRM continuum Adobe Reader only Add’l Reader software Adobe Reader Only
  • Outline
    • Aggregator eBook availability profiles
    • Library purchased print book profiles
    • Matching library print purchases vs. eBook availability
  • Cleaning up the aggregator data
    • Received full catalog data from all 4 aggregators
    • Deleted all records without pISBN13s
      • Removed less than 8% from any one aggregator
      • Many more records had pISBNs than eISBNs
    • added pISBN10s based on pISBN13s
      • To allow comparison to print books in collections
      • (thanks to Ebrary for the batch converter)
    • Most records included Pub Year, Publisher, Call number, etc
  • How many ebooks are available?
  • What is the age profile of aggregated ebooks?
  • Aggregator Collection Age (focus)
  • How much overlap is there between aggregator collections? 10/2008 Total number of unique books across collections = 246,348 = Aggregated Ebook Marketplace
  • What proportion of the marketplace is available from each aggregator? Full Collection: 246,348 unique ebooks 2005 – 2007 Publication Years: 74440 unique e-books EBRsubs EBL EBR MyI (minus ICON) NetL
  • Library Purchase Profile Datasets
    • SCELC libraries & U. Denver were asked to export records for all print monographs purchased between 1/1/2006 & 12/31/2007
    • They were given a specific step by step procedure that excluded Ebooks, and output:
      • Title (245)
      • Pub Year (260|c)
      • Publisher (260|b)
      • LC Call # (050)
      • ISBN 020 (all repeated values)
    • 4 libraries sent data + Claremont
  • ‘ 06-07 Library Purchases: # of print books
  • Library pBook Purchases: by Publication year
  • Library pBook Purchases by Discipline
  • Library pBook Purchases: Overlap
  • Matching library print purchases to eBook availability
    • Compared vendor supplied source lists to print purchase lists
    • What are the characteristics of the matching or non-matching items?
  • pBook purchases not available as eBooks
  • Electronic availability of purchased books
  • pBook purchases available as eBooks by Vendor 5% 13% 26% 23% 13% 10% Library Ebrary Sub EBL Ebrary MyILibrary NetLibrary At least one C 4.9% 11.9% 13.7% 11.4% 23.3% 27.2% A 5.4% 10.3% 10.3% 10.8% 18.3% 21.3% D 4.7% 15.4% 15.4% 11.8% 25.0% 29.4% L 4.7% 14.6% 14.2% 9.7% 23.2% 27.3% S 7.1% 13.9% 13.5% 8.0% 23.0% 26.9%
  • pBooks Matched v. Not Matched
    • What ebooks are they providing that we don’t buy in print?
    • What print books are we buying that eBook aggregators don’t offer electronically?
    • Do they differ by:
      • publisher?
      • subject
  • eBook non-matches characteristics Publishers in Library List Books Oxford University Press 281 Cambridge University Pr 236 Palgrave Macmillan 166 Princeton Univ Press 157 University of Chicago Pr 149 Routledge 128 Yale University Press 125 Ashgate 108 Harvard University Press 88 Univ of California Pr 84 MIT Press 81 Cornell University Press 75 Lexington Books 73 Publishers in eBook List Books Routledge 10170 John Wiley & Sons 8737 Elsevier 7113 Springer 6020 Cambridge University Pr 5183 Taylor & Francis 4092 Palgrave Macmillan 3304 Taylor & Francis Ltd 2975 CRC Press 2364 OECD 1929 University of Minnesota 1564 Emerald 1516 Oxford University Press 1491
  • Print books not available electronically Subject Areas Books History, North America 660 Visual Arts (General) 580 Literary History & Collections 573 American Literature 571 Literature of Music 436 History, Asia. Middle East 411 Economic History (by Subject) 389 English Literature 382 Romance Literatures 364 Theory & Practice of Education 360 Philosophy 305 History, Western Hemisphere 293
  • Summary of results
    • Aggregator title lists are largely unique
    • (>50% only available from 1 agg.)
    • Only 1 in 4 print titles purchased by any individual library during 2006-2007 is available in the ‘eBook Aggregator marketplace’
    • Initial observations suggest that many print univ. press titles Claremont purchased are not available from eBook aggregators
  • Main point: Supersede or Supplement?
    • Can’d supersede: 75% of our print book purchases aren’t available as ebooks
    • There are many ways to supplement:
      • Subscription
      • Publisher subject collections
      • Demand-driven purchasing (see Friday aft. panel)
  • Questions? Jason & John November 6, 2008
  • Discussion points
    • What are some potential explanations for low match rates?
    • There is no unique identifier of book content
    • Are collections librarians ready to shift funds from print book purchases to ebook purchases?
  • (Jason’s) Opinions
    • It is unfortunate that the richest aggregator collection is also the least usable (NetLibrary)
    • Subscribed collections serve to supplement most affordably and could drive print use
    • Best place to supersede right now is probably direct from no-DRM Publisher collections especially in the disciplines where multi-author books are the norm
    • Purchasing & Hosting on 4 different aggregators is not an attractive solution
  • eBooks Matched v. not matched What are the unique characteristics of the ebooks that matched our collections and what are those of the ones that didn’t match? Profile matched vs. unmatched books in library collections why? subject (sci vs. non-sci) publisher year What are they selling thtat we’ren not buying?