MINDFUL DATA, INC.
IT Consulting and Contracting Services
for Enterprise Data Management.

We provide definition, design and construction services for:

OLTP, ODS, data warehouse and dimensional data models.

SOA-conformant and semantics-based enterprise data architectures.

Enterprise semantics formalized with ontologies and taxonomies.

Temporal and bi-temporal data management.

About Architecture Modeling Semantics Temporal Data Miscellaneous C. J. Date
 Publications
Jun 16, 2008
 Jun 24, 2008
 Jun 26, 2008
 Jun 16, 2008
 Jun 25, 2008
 Jun 16, 2008
 Jun 20, 2008
 Jun 16, 2008

Last Updated July 3, 2008.



Asserted Versioning.

A presentation I made, in June, 2008, to the New York ERwin Modeling User's Group. This is based on material from the Time and Time Again series.


The Time and Time Again Series.

A series of articles being published in DM Direct, the on-line newsletter of DM Review. Articles archived under "Johnston" at DMReview.com.


Asserted Versioning Glossary.

The glossary, controlled vocabulary and ontology for that series.


A presentation I made at the Semantic Technology 2007 Conference.

Speakers notes for that presentation.

A presentation I made at the DAMA International 2008 Conference.

Speakers notes for that presentation.

What is Semantics?

Semantics is what is expressed in taxonomies and ontologies -- and also in database schemas, program code and SQL statements. A brief introduction, for the IT professional, to a concept which is used far more than it is understood.


If I Were in Charge . . .

A series on enterprise data architecture.
Principal Consultant: Dr. Tom Johnston

Resume

Over three decades in business IT. Early years in mainframe COBOL and assembler, using BDAM and VSAM access methods, also working in MVS and CICS internals. Later years in OLTP, warehouse and dimensional data modeling, enterprise data models, enterprise data architectures, and recently, taxonomies and ontologies.


Seminars:

I offer one-day seminars, to be held at your site, on the following topics:

  • Data modeling: semantics and the normal forms.
  • Temporal data: versions and bi-temporality.
  • Semantics: vocabularies, taxonomies and ontologies.
  • Data architecture: structures and semantics.


Terms: travel expenses plus an honorarium.


Industry expertise:

  • Banking
  • Credit card mgt
  • Credit reporting
  • CRM
  • Education, scheduling
  • Energy trading
  • Health insurance
  • Healthcare
  • HR orgs & staffing


  • Manufacturing
  • Military logistics
  • Non-profit client mgt
  • Retail/point of sale
  • Retail/supply chain
  • Shipping, transportation
  • Telecom/front-office
  • Telecom/network mgt
  • Wellness mgt
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