TABLE OF CONTENTS

Introduction

Definition of an Entity

Entity versus Role versus Link

What is a Link?

Presentation of a Data Model

Rule-types with Rule Examples and Instance Examples

• 6.1 Type of Rule: Act
• 6.2 Type of Rule: Relationship
• 6.3 Rule-type Name: Biography

Rule Parsimony: the Trade between Precision and Simplicity

xBase Table Design Implementation Example

• 8.1 xBase Implementation Example
• 8.2 Abstract Fields & Data Types

SQL Database Design Implementation Example

• 9.1 Querying & Performance
• 9.2 Main Difference
• 9.3 Storage of the Rules in SQL Model

• fig. 1 data model for human rights database design
• fig. 2 first sample table design for an xBase implementation
• fig. 3 second sample table design for an xBase implementation