5.9. Key Points in Chapter Five

What is a relationship?

A relationship is “an association among several things, with that association having a particular significance.”

(See §5.1, “Introduction”)

Why is it essential to include the type of association in a specification of a relationship?

Just identifying the resources involved is not enough because several different relationships can exist among the same resources.

(See §5.2, “Describing Relationships: An Overview”)

What is the most typical grammatical model for expressing a relationship?

Most relationships between resources can be expressed using a subject-predicate-object model.

(See §5.3, “The Semantic Perspective” and §5.7.1, “Choice of Implementation”)

What knowledge does a computer need to be able to understand relational expressions?

For a computer to understand relational expressions, it needs a computer-processable representation of the relationships among words and meanings that makes every important semantic assumption and property precise and explicit.

(See §5.3, “The Semantic Perspective”)

What are three broad categories of semantic relationships?

Three broad categories of semantic relationships are inclusion, attribution, and possession.

(See §5.3.1, “Types of Semantic Relationships”)

What is a taxonomy? ...

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