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Plumbing and Counting…
Joe ZuccaAssessment, Planning and Publications LibrarianUniversity of Pennsylvania
Plumbing and Counting…An Update on the Penn Library Data Farm
ALCTS: Best Practices: Collection Management and the Application of New Measures for Library Assessment
Plumbing and Counting…
1. User initiates a session using pages spawned by Oracle
Schematic View of the Clickstream
2. URS db swaps handle for authentic url
3. Proxy scan
5. URS logs event 5.1 Proxy server logs the event
5.2 Data Farm
3.1 Authentication challenge
4. Pass to vendor site
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Transaction Tables
Resources Tables
Domain Map
Person Resolution
Table
Data Farm Web Site URS DB
E-Resources Database (Elec. Acquisitions)
VoyagerData Farm Schema & Key Relays
Proxy Source
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The “Back 40”
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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%
E-Resource Use By Broad Category. All Domains & Wharton 18 Month Survey Measured in E-Resource Requests
All Wharton
Domains Cml % Domain Cml%
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Factiva 8440LexisNexis Academic 4775ABI/Inform - Proquest 4313Business Source Premier (EBSCO) 3100Hoover's Online 2460Multex 2337First Call 2309Investext Plus 1766Thomson Research 1720Business and Industry 1662ISI Citation Indexes 1617EconLit 1363Standard & Poor's Industry Surveys 1273MEDLINE 1128Funding Investments - Course Guide 1127LIVEDGAR 1100Dow Jones Interactive 1072D&B International Million Dollar Database 957PsycINFO 882JSTOR 864
Top-20 Licensed Resources Used in the Wharton Domain 18 Month Survey Measured in E-Resource Requests
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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%
Use of the Philosopher’s Index 18 Month Survey Measured in Login Requests
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VANPELT
ECLASSROOM
COMPUTER LABS VP
FINE ARTOTHER
LOCATIONS
BIOMED STAFF
Use of the Philosopher’s Index Within Libraries 18 Month Survey Measured in Login Requests (1,066 logins)
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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%
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E-Resource Tool – How Do “Communities” Work
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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?
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Today: Static Search, User-Initiated Search of the Repository
Tomorrow: Dynamic Knowledge Channels: The “Portal-Friendly” Data Farm
Data Relays in the Future?
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How Are the Data Used?
Analyze Cost-Efficiency of Licensed Resources
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Joe ZuccaAssessment, Planning and Publications LibrarianUniversity of Pennsylvania
zucca@pobox.upenn.edu
Plumbing and Counting…An Update on the Penn Library Data Farm
ALCTS: Best Practices: Collection Management and the Application of New Measures for Library Assessment
Plumbing and Counting…
Multiple Vendors. Regression of Data Farm Login Requests on Vendor Session Counts, Jl2003-Dec2003 [63 observations]
R2 = 0.8262
0
5000
10000
15000
20000
25000
0 2000 4000 6000 8000 10000 12000 14000
Login Requests (Data Farm)
Ven
dor
Cou
nts
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ScienceDirect: Regression of Data Farm Counts on Elsevier Article View Counts, Jl2003-Dec2003. [1,270 observations]
R2 = 0.7932
0
2000
4000
6000
8000
10000
12000
0 500 1000 1500 2000 2500 3000
Login Requests (Data Farm)
Art
icle
Vie
ws
- E
lsev
ier
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Count By Title and Domain
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Resource Type and Domain Result (Biology)
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Count By Resource Type and Domain
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Resource Type and Domain Result (Wharton)
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