An important component of this integration is the management of "metadata" that describe, catalog, and provides access to various forms of underlying business data. After years of building business models for banking, oil, pharmaceutical, and other industries, Dave Hay has here not only developed a conceptual model of such a metadata repository, he actually has created a true enterprise data model of the information technology industry itself. * A comprehensive work based on the Zachman Framework for information architecture, covering the Business Owner, Architect and Designer's view, for all columns (data, activities, locations, people, time, and motivation) * Provide an explanation step-by-step model and adjusted so that different readers can benefit from different parts * Provides a world view that is being handled by all, engineering methods and tools of information processing industry (eg, object-oriented design, CASE, business process reengineering, etc.) * Presents many concepts that are not currently handled by these devices - and should