Principles of Big Data

Chapter 3

Ontologies and Semantics

Outline

Background

Classifications, the Simplest of Ontologies

Ontologies, Classes with Multiple Parents

Choosing a Class Model

Introduction to Resource Description Framework Schema

Common Pitfalls in Ontology Development

Order and simplification are the first steps toward the mastery of a subject.

Thomas Mann

Background

Information has limited value unless it can take its place within our general understanding of the world. When a financial analyst learns that the price of a stock has suddenly dropped, he cannot help but wonder if the drop of a single stock reflects conditions in other stocks in the same industry. If so, the analyst may check to ensure that other industries are following a downward trend. ...