1. Plumbing and Counting… Joe Zucca Assessment, Planning and Publications Librarian University 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

2. 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

3. Plumbing and Counting… Transaction Tables Resources Tables Domain Map Person Resolution Table Data Farm Web Site URS DB E-Resources Database (Elec. Acquisitions) Voyager Data Farm Schema & Key Relays Proxy Source

4. Plumbing and Counting… The “Back 40”

5. Plumbing and Counting… All Electronic Resources3,885,753 100.0%87,824100.0% Licensed Resources3,345,800 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%

6. Plumbing and Counting… Factiva8440 LexisNexis Academic4775 ABI/Inform - Proquest4313 Business Source Premier (EBSCO)3100 Hoover's Online2460 Multex2337 First Call2309 Investext Plus1766 Thomson Research1720 Business and Industry1662 ISI Citation Indexes1617 EconLit1363 Standard & Poor's Industry Surveys1273 MEDLINE1128 Funding Investments - Course Guide1127 LIVEDGAR1100 Dow Jones Interactive1072 D&B International Million Dollar Database957 PsycINFO882 JSTOR864 Top-20 Licensed Resources Used in the Wharton Domain 18 Month Survey Measured in E-Resource Requests

7. Plumbing and Counting… SCHOOL OF ARTS AND SCIENCES410 12.1% LAW SCHOOL219 6.5% WHARTON63 1.9% UNIVERSITY OF PENNSYLVANIA HEALTH SYSTEM25 0.7% ADMINISTRATIVE DOMAINS18 0.5% SCHOOL OF MEDICINE15 0.4% CHILDRENS HOSPITAL OF PHILADELPHIA9 0.3% NURSING7 0.2% GRADUATE SCHOOL OF EDUCATION6 0.2% VETERINARY MEDICINE6 0.2% SCHOOL OF ENGINEERING AND APPLIED SCIENCE4 0.1% MUSEUM1 0.0% SCHOOL OF SOCIAL WORK1 0.0% OFF-CAMPUS1079 31.9% LIBRARY1066 31.5% RESIDENCE309 9.1% UNRESOLVED - no host name assigned85 2.5% UNKNOWN - in Penn domain, not in assignments DB35 1.0% LABORATORY27 0.8% Use of the Philosopher’s Index 18 Month Survey Measured in Login Requests

8. Plumbing and Counting… Use of the Philosopher’s Index Within Libraries 18 Month Survey Measured in Login Requests (1,066 logins)

9. Plumbing and Counting… How Users Navigate to Electronic Resources. 18 Month Survey Measured in Requests for E-Resources by Referrer E-resource locator2,399,02261.7% Null Referrer (bookmarks & naughty browsers)732,44418.8% Health Sci Homepage268,3966.9% Library Guides & Help Pages78,8352.0% OPAC62,6331.6% Main Homepage33,0020.8% Google (non-Penn)28,7820.7% Lippincott Homepage10,8390.3% Handle URLs (oops)6,4440.2% Library FAQ1,1220.0% All Other264,2346.8% Total3,885,735100%

10. Plumbing and Counting… E-Resource Tool – How Do “Communities” Work

11. Plumbing and Counting… 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. Plumbing and Counting…  Today: Static Search, User-Initiated Search of the Repository  Tomorrow: Dynamic Knowledge Channels: The “Portal-Friendly” Data Farm Data Relays in the Future?

13. Plumbing and Counting… How Are the Data Used?  Analyze Cost-Efficiency of Licensed Resources

14. Plumbing and Counting… Joe Zucca Assessment, Planning and Publications Librarian University 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

15. Plumbing and Counting… Multiple Vendors. Regression of Data Farm Login Requests on Vendor Session Counts, Jl2003-Dec2003 [63 observations]

16. Plumbing and Counting… ScienceDirect: Regression of Data Farm Counts on Elsevier Article View Counts, Jl2003-Dec2003. [1,270 observations]

17. Plumbing and Counting…

20. Count By Title and Domain

21. Plumbing and Counting… Resource Type and Domain Result (Biology)

22. Plumbing and Counting… Count By Resource Type and Domain

23. Plumbing and Counting… Resource Type and Domain Result (Wharton)