C. HAY has pioneered in the use of process and data models to support strategic
planning, requirements analysis, and system design since the late 1970s. In 1993,
Dave founded the Houston-based consulting firm Essential Strategies, and, through
it, developed enterprise models for many industries, including pharmaceutical
research, oil refining and production, film and television, and nuclear energy.
His work has been instrumental in identifying the fundamental structure of metadata
and has helped hundreds of practitioners address issues of semantics in organization.
Using the relatively simple structures hidden in apparently complex situations,
Dave developed the basis for Data Model Patterns: Conventions of Thought.
A subsequent work, Data Model Patterns: A Metadata Map, provides comprehensive
views of both business and technical metadata; a third work, Enterprise Model
Patterns: Describing the World, is a sequel to Data Model Patterns
and describes and extensively models more-complex patterns.
revered speaker at conferences on data management, modeling, and semantics, Dave
is also author of Requirements Analysis: From Business Views to Architecture,
a comprehensive review of requirements analysis techniques. He lives in Houston
with his wife, Jola, and, in increasingly rare spare time, pursues the ancient
Japanese art of Origami, folding square pieces of paper into flowers, dinosaurs,
or any of myriad other figures -- without cutting, pasting, or swearing. He can
be reached at firstname.lastname@example.org.
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