SAS Text Analytics for Business Applications

Chapter 5: Fundamentals of Creating Custom Concepts

5.1. Introduction to Custom Concepts

5.2. LITI Rule Fundamentals

5.2.1. Required Parts of LITI Rules

5.2.2. Optional Parts of LITI Rules

5.2.3. Rule Definition

5.3. Custom Concept Fundamentals

5.3.1. Best Practices for Naming Custom Concepts

5.3.2. Best Practices for Referencing Custom Concepts

5.3.3. Concepts versus CONCEPT and CONCEPT_RULE Rule Types

5.3.4. Programmatic Rule Writing and Model Compilation

5.3.5. Programmatic Model Application

5.4. Troubleshooting All Rule Types

5.1. Introduction to Custom Concepts

In chapters 2–4, you learned that, for the purposes of information extraction, you can leverage the predefined concepts. This chapter will introduce you to the fundamentals of custom ...