Improving Z39.50 Interoperability with a Focus on User Requirements

11/15/1999

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Table of Contents

Improving Z39.50 Interoperability with a Focus on User Requirements

Presentation Components

ANSI/NISO Z39.50 ISO23950

Characterizing Z39.50

Problems We All Face

Interoperability

Levels of Interoperability

Threats to Interoperability

Standardized representations of query and database record

Interoperability & Z39.50 Searching

Interoperability & Z39.50 Retrieval

PPT Slide

Profiles -- Detailed Z39.50 Specifications

Importance of Profiles

The Z Texas Profile: User-Driven

Step 1: Identifying Requirements

Step 2: Specifying Z39.50

Scope and Structure of the Profile

Addressing Semantic Interoperability

Step 3: Implementing

The Bath Profile

Example of Query Specification

Query Specification

Assessing Goodness of Products

Aspects of an Interoperability Testbed

Final Thoughts

Author: William E. Moen