SAS Text Analytics for Business Applications

Chapter 11: Best Practices for Custom Concepts

11.1. Introduction to Boolean and Proximity Operators

11.2. Best Practices for Using Operators

11.2.1. Behavior of Groupings of Single Operators

11.2.2. SAS Categorization Operators

11.2.3. Combinations of Operators and Restrictions

11.3. Best Practices for Selecting Rule Types

11.3.1. Rule Types and Associated Computational Costs

11.3.2. Use of the Least Costly Rule Type for Best Performance

11.3.3. When Not to Use Certain Rule Types

11.3. Concept Rules in Models

11.1. Introduction to Boolean and Proximity Operators

In chapters 7 and 8, it was mentioned that the CONCEPT_RULE and PREDICATE_RULE rule types can contain Boolean operators, such as AND, OR, and NOT, and distance operators, such as SENT_n, ...