Part 2: Going into Depth: Properties and Classes
by Paul Groth, Ying Ding, Michael Uschold
Demystifying OWL for the Enterprise
- Cover
- Title Page
- Copyright
- Contents
- Foreword
- Foreword
- Preface
- Acknowledgments
- Part 1: Introducing OWL
- 1 Getting Started: What Do We Need to Say?
- 1.1 What is an Ontology? What is OWL?
- 1.2 In the Beginning there are Things
- 1.3 Kinds of Things vs. Individual Things
- 1.4 No Thing is an Island
- 1.5 Things Can Have a Variety of Attributes
- 1.6 More General Things and More Specific Things
- 1.7 Drawing Conclusions
- 1.8 Data and Metadata
- 1.9 Summary Learning
- 2 How Do We Say it in OWL?
- 3 Fundamentals: Meaning, Semantics, and Sets
- 3.1 Logic
- 3.1.1 Reasoning and Arguments
- 3.1.2 Formal Semantics and Sets
- 3.1.3 The Open World
- 3.1.4 Resource Identifiers
- 3.1.5 Literals and Datatypes
- 3.1.6 Metaclasses
- 3.1.7 Expressions
- 3.1.8 Meaning, Semantics, and Ambiguity
- 3.1.9 Concepts vs. Terms
- 3.1.10 The World of Triples
- 3.1.11 Reuse and Modularity
- 3.1.12 Triple Stores, Querying, and SPARQL
- 3.1.13 Summary Learning
- 3.2 Summary for Part 1
- 3.1 Logic
- 1 Getting Started: What Do We Need to Say?
- Part 2: Going into Depth: Properties and Classes
- 4 Properties
- 4.1 Properties, Relationships, and Sets
- 4.2 Properties are First-Class Objects
- 4.3 Property Hierarchies
- 4.4 Domain and Range
- 4.5 Inverse Properties and Property Chains
- 4.6 Property Characteristics
- 4.7 Property Characteristics of Subproperties and Inverse Properties
- 4.8 Data Properties
- 4.9 Disjointness and Equivalence
- 4.10 Annotation Properties
- 4.11 Summary Learning
- 5 Classes
- 5.1 Review: Classes and Sets
- 5.2 Class Relationships
- 5.3 Class Expressions
- 5.4 Property Restrictions
- 5.4.1 Usage Scenarios
- 5.4.2 Anatomy of a Property Restriction
- 5.4.3 Existential: someValuesFrom
- 5.4.4 Universal: allValuesFrom
- 5.4.5 Minimum Cardinality
- 5.4.6 Maximum Cardinality
- 5.4.7 Exact Cardinality
- 5.4.8 Individual Value: hasValue
- 5.4.9 Data Property Restrictions
- 5.4.10 Summary: Property Restrictions
- 5.5 Summary Learning
- 5.6 Conclusion for Part 2
- 4 Properties
- Part 3: Using OWL in Practice
- Appendices
- Author Biography
- Index
Going into Depth: Properties and Classes
Part 1 gave a thorough introduction to OWL touching on the main things that you will need when building ontologies. In this part of the book, we expand on the core elements.
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