What does the future hold? Scorpion and automatic subject assignment

Military Librarians Workshop, 18-20 Nov 97, Dayton Marriott Hotel, Dayton, Ohio


What does the future hold?
Scorpion and automatic subject assignment

© November 1997

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Keith E. Shafer, Phd

Senior Research Scientist, OCLC
Online Computer Library Center
6565 Frantz Road
Dublin, Ohio 43017-3395
shafer@oclc.org

Table of Contents

What does the future hold? Scorpion and automatic subject assignment

The Challenge: Indexing may be Sufficient

Increased Interest in Cataloging and Metadata

Scorpion Introduction

Dewey Design Overview

Expected Behavior

PPT Slide

PPT Slide

OCLC Text Homepage (October 31, 1997)

Why 020.7155?

Scorpion Dependent on Input

AT&T Preprocessing Example

Comparing Scorpion Results to Human-Assigned Subjects

Multiple Subjects Assigned by Multiple Humans

Interested in Overlap with Expected and Specific Subset

As Research Progresses, Overlap Increases

And Increases...

Now, Interested in Overlap with Expected and NetFirst

Reducing the Unexpected: Ranked Result Sets

Implications

Conclusion

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Military Librarians Workshop '97 program.

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