1. Terminology Services Project team: Diane Vizine-Goetz Andrew Houghton
Roger Thompson Carol Hickey

2. Environment
Library methods competing with other approaches for accessing content
Computational, text-based search techniques (Web search engines)
Systems that exploit the opinions and actions of individuals & communities
Need to determine role of KO resources (authority files, subject headings, thesauri, classification schemes, etc.) in relation to these approaches
Traditional library methods must compete with new approaches for accessing content
Computational, text-based search techniques
Foundation of most Web search engines
Systems that exploit the opinions and actions of individuals & communities
Citation indexing, recommendation systems, collaborative filtering techniques, etc.

3. Classes of Services Register Search Resolve Navigate Decompose Enhance
Transform

4. Levels of Services
Basic
Enhanced
Experimental

5. Basic Services Relatively easy Useful Can offer quality service
Gain experience
Examples
Transform the syntax
Artificial satellites—Mars—Orbits > $a Artificial satellites $z Mars $x Orbits
629.43’4 > /4 >
Navigate a hierarchy
Artificial satellites
BT Space vehicles
Cons
Anyone can do
Everyone will do
Less interesting

6. Enhanced Services More complex Exploit unique OCLC resources, e.g.,
WorldCat
Genre terms/LCSH
DDC/LCSH
DDC
FAST
PAIS

7. Enhanced Services
DDC/LCSH relationships

8. Experimental Services
More complex
Outcome uncertain
Longer lead time to develop
Automatic classification
ePrints-UK
Record enhancement

9. Record enhancement

10. Record enhancement