| Prev | Next | Previous Chapter | End of Chapter | Contents | Glossary | Index | Comments | (1 out of 8)

Chapter 9

Describes the role of values and types in a knowledge base.

Overview

Using Values Stored in Items

Using Attribute Values

Using Text Attribute Values of Items

Using Values Given by Variables and Parameters

Checking for the Existence of an Attribute Value

Using Local Names for Values

Expiration of Variable Values

Distinguishing Value Types

Complex Types

Declaring Types

Working With General Types

Using the Item-or-Value Type

Using the Value Type

Using the Quantity Type

Working With Specific Types

Using the Integer Type

Using the Float Type

Working With Exceptional Float Values

Coercing Numeric Values

Using Units of Measure for Numeric Values

Using the Symbol Type

Working With Characters in a Symbol Value

Using the Text Type

Working With Characters in a Text Value

Formatting Text Values

Using the Truth-Value Type

Working With Composite Types

Using the Structure Type

Structure Functions

Structure Expressions

Using the Sequence Type

Sequence Functions

Sequence Expressions

Using Structures and Sequences in User-Defined Classes

Comparing Structures and Items

Comparing Sequences and Lists

| Prev | Next | Previous Chapter | End of Chapter | Contents | Glossary | Index | Comments | (1 out of 8)