Karen Calhoun Prepared for ULS Technical Services and Systems

Staff and OCLC Visitors February 1, 2012

Global Council Webinar

January 27, 2011

Library Professionals ◦ Catalogers

◦ Librarians of all types

General Web Users ◦ Expert searchers

◦ End users (I just want to get stuff)

Machines (cross-system connections)

Discover it here

High traffic sites

LIKE GOOGLE

SCHOLAR

Get it

there

Holders of

content

LIKE PITT ULS

Our catalogs continue to be used.

65% of information requests originate off-campus; the other 35% originate on campus mainly during class hours

External sites drive a lot of traffic to our websites. Google is the top referrer.

Page 4. http://conservancy.umn.edu/bitstream/48258/3/DiscoverabilityPhase1Report.pdf

Success (quality) in navigating from discovery to delivery relies on: • Basic bibliographic data elements

• Reliable holdings data

• Accurate linking data that stitches

different systems together (often, this data is numeric)

• Authentication (for licensed content)

http://www.oclc.org/reports/worldcatquality/214660usb_WorldCat_Quality.pdf

Data quality issues affecting the end user’s discovery and delivery experiences

Putting the world in WorldCat

Managing duplicates

“Parallel records”

Reproductions and reprints

Holdings “scatter”

Less visibility and utility of library assets represented in WorldCat

OCLC numbers less effective in “switching” users from records in WorldCat to records in local catalogs

http://www.worldcat.org/oclc/254256771 (This is the record that Google Books links to)

10 library holding symbols are on this record (but not Pitt’s)

244 library holdings are on this record (including Pitt’s)

http://www.worldcat.org/oclc/57640223

GLIMIR = Global LIbrary Manifestation IdentifieR

• Uses algorithms to cluster records for parallel records and for reproductions

• Ameliorates “holdings scatter”

• In practice this means … • Cleaner displays of search results

• Better linking to local catalogs WHAT?

Google Books PittCat

(via WorldCat)

Sample of titles that circulated the week of October 16-22, 2011 (3,760 items)

Thanks to Barbara H. , Elvia A-R. and Heidi C.

How successful is the user at starting with

Google Books and getting to PittCat holdings and services?

Focus on printed books

At 90% confidence level, margin of error of these results is + or – 5%

Start in Google Books

Find holdings in WorldCat

End in Pitt’s catalog

Circulations Examined

221

Found in Google Books

92.3%

English Language Content

90.1%

Top reasons not found in Google Books: non-English; this edition not found; non-book

“Find in a library link” present in Google Books

94.0%

“Find in a library link” missing

6.0%

ISBN is present* 96.6%

Item was digitized in GB Library Project

23.5%

*Percentage of ISBNs present would have been much smaller if sample had been drawn from collection as at large, rather than from items that circulated.

Pitt is in WCat library holdings list

78.8%

Link to PittCat is successful*

74.4%

Top reason for Pitt’s not being in WCat library holdings list: issues with representation of Pitt holdings in WCat Top reason for unsuccessful conversion to PittCat from WCat holdings list: absent/non-matching ISBN in Pitt record

*If user is searching from inside Pitt network (on-campus), link to PittCat is successful 94% of the time.

“You are connected to the Univ of Pittsburgh network” … provides option to do on-the-fly ISBN search of PittCat.

Google Books provides good coverage of English-language materials that circulate at Pitt

Google Books provides the “find in a library link” most of the time

There is room to improve the representation of Pitt’s holdings in WorldCat

The quality of the data supporting linking and delivery is as important, if not more important, than the data elements supporting discovery