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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 . Joe Zucca Assessment, Planning and Publications Librarian University of Pennsylvania. 4. Pass to vendor site.

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slide1

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

Joe Zucca

Assessment, Planning and Publications Librarian

University of Pennsylvania

slide2

4. Pass to vendor site

1. User initiates a session using pages spawned by Oracle

2. URS db swaps handle for authentic url

3. Proxy scan

3.1 Authentication challenge

5. URS logs event

5.1 Proxy server logs the event

5.2 Data Farm

Schematic View of the Clickstream

slide3

Person Resolution Table

Domain Map

Transaction Tables

Resources Tables

Data Farm Schema & Key Relays

Voyager

Web Site URS DB

Proxy Source

Data Farm

E-Resources Database (Elec. Acquisitions)

slide5

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%

slide6

Top-20 Licensed Resources Used in the Wharton Domain 18 Month Survey Measured in E-Resource Requests

slide7

Use of the Philosopher’s Index 18 Month Survey Measured in Login Requests

slide8

Use of the Philosopher’s Index Within Libraries18 Month Survey Measured in Login Requests (1,066 logins)

slide9

How Users Navigate to Electronic Resources. 18 Month Survey Measured in Requests for E-Resources by Referrer

slide11

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?
slide12

Data Relays in the Future?

  • Today: Static Search, User-Initiated Search of the Repository
  • Tomorrow: Dynamic Knowledge Channels: The “Portal-Friendly” Data Farm
slide13

How Are the Data Used?

  • Analyze Cost-Efficiency of Licensed Resources
slide14

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

Joe Zucca

Assessment, Planning and Publications Librarian

University of Pennsylvania

zucca@pobox.upenn.edu

slide15

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

slide16

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