Joe Zucca

1
Plumbing and CountingAn Update on the Penn
Library Data Farm ALCTS Best Practices
Collection Management and the Application of New
Measures for Library Assessment
Joe Zucca Assessment, Planning and Publications
Librarian University of Pennsylvania
2
Schematic View of the Clickstream
3
Data Farm Schema Key Relays
Voyager
Web Site URS DB
Proxy Source
Data Farm
E-Resources Database (Elec. Acquisitions)
4
The Back 40
5
E-Resource Use By Broad Category. All Domains
Wharton 18 Month Survey Measured in E-Resource
Requests

All Wharton Domains
Cml Domain Cml
All Electronic Resources 3,885,753
100.0 87,824 100.0 Licensed Resources 3,345,800
86.3 81,849 93.2 Public Web Resources
537,822 13.9 5,956 6.8
Penn-Created Resources 228,461 05.9
3,217 3.7 Penn Research Guides
124,159 03.2 1,746 2.0
Government Resources 62,568 01.6
1,768 2.0
6
Top-20 Licensed Resources Used in the Wharton
Domain 18
Month Survey Measured in E-Resource Requests
Factiva 8440
LexisNexis Academic 4775
ABI/Inform - Proquest 4313
Business Source Premier (EBSCO) 3100
Hoover's Online 2460
Multex 2337
First Call 2309
Investext Plus 1766
Thomson Research 1720
Business and Industry 1662
ISI Citation Indexes 1617
EconLit 1363
Standard Poor's Industry Surveys 1273
MEDLINE 1128
Funding Investments - Course Guide 1127
LIVEDGAR 1100
Dow Jones Interactive 1072
DB International Million Dollar Database 957
PsycINFO 882
JSTOR 864
7
Use of the Philosophers Index
18 Month Survey Measured in
Login Requests
SCHOOL OF ARTS AND SCIENCES 410 12.1
LAW SCHOOL 219 6.5
WHARTON 63 1.9
UNIVERSITY OF PENNSYLVANIA HEALTH SYSTEM 25 0.7
ADMINISTRATIVE DOMAINS 18 0.5
SCHOOL OF MEDICINE 15 0.4
CHILDRENS HOSPITAL OF PHILADELPHIA 9 0.3
NURSING 7 0.2
GRADUATE SCHOOL OF EDUCATION 6 0.2
VETERINARY MEDICINE 6 0.2
SCHOOL OF ENGINEERING AND APPLIED SCIENCE 4 0.1
MUSEUM 1 0.0
SCHOOL OF SOCIAL WORK 1 0.0
OFF-CAMPUS 1079 31.9
LIBRARY 1066 31.5
RESIDENCE 309 9.1
UNRESOLVED - no host name assigned 85 2.5
UNKNOWN - in Penn domain, not in assignments DB 35 1.0
LABORATORY 27 0.8
8
Use of the Philosophers Index Within Libraries
18 Month
Survey Measured in Login Requests (1,066 logins)
9
How Users Navigate to Electronic Resources.
18 Month Survey Measured in Requests for
E-Resources by Referrer
E-resource locator 2,399,022 61.7
Null Referrer (bookmarks naughty browsers) 732,444 18.8
Health Sci Homepage 268,396 6.9
Library Guides Help Pages 78,835 2.0
OPAC 62,633 1.6
Main Homepage 33,002 0.8
Google (non-Penn) 28,782 0.7
Lippincott Homepage 10,839 0.3
Handle URLs (oops) 6,444 0.2
Library FAQ 1,122 0.0
All Other 264,234 6.8
Total 3,885,735 100
10
E-Resource Tool How Do Communities Work
11
Profile of Community Use - Philosophy
18 Month Survey
Measured in Login Requests (7,936 logins, 190
resources)

• Facts about Readers Who Select the Philosophy
  Community
• Avoid Title-Word Searches (only 1 of request)
• Usually Browsed by Resource Type (71 of the
  time)
• Prefer Resource Types, in Rank Order
  
  1. E-Journal
  2. Databases, Article Indexes
  3. Encyclopedia
  
  
  4. E-Book, 5. Library Research Guide
• Use Up to 12 Different Literature Indexes
• Read 170 Different E-Journals in the Field
• Use 4 Encyclopedia
• Seldom Use Catalogs?

12
Data Relays in the Future?

• Today Static Search, User-Initiated Search of
  the Repository
• Tomorrow Dynamic Knowledge Channels The
  Portal-Friendly Data Farm

13
How Are the Data Used?

• Analyze Cost-Efficiency of Licensed Resources

14
Plumbing and CountingAn Update on the Penn
Library Data Farm ALCTS Best Practices
Collection Management and the Application of New
Measures for Library Assessment
Joe Zucca Assessment, Planning and Publications
Librarian University of Pennsylvania zucca_at_pobox.u
penn.edu
15
Multiple Vendors. Regression of Data Farm Login
Requests on Vendor Session Counts,
Jl2003-Dec2003 63 observations
16
ScienceDirect Regression of Data Farm Counts on
Elsevier Article View Counts, Jl2003-Dec2003.
1,270 observations
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Count By Title and Domain
21
Resource Type and Domain Result (Biology)
22
Count By Resource Type and Domain
23
Resource Type and Domain Result (Wharton)