Modeling and Management of Fuzzy Semantic RDF Data

Preface
Contents
1 RDF Data and Management
	1.1 Introduction
	1.2 RDF Data Model
		1.2.1 RDF Basic Definitions
		1.2.2 RDF Data Model
		1.2.3 RDF Semantics
	1.3 RDF Query Language SPARQL
		1.3.1 The W3C Syntax of SPARQL
		1.3.2 The Algebraic Syntax of SPARQL Graph Patterns
		1.3.3 Semantics of SPARQL
	1.4 RDF Data Store
		1.4.1 RDF Stores in Traditional Databases
		1.4.2 RDF Stores in Not Only SQL Databases
	1.5 Summary
	References
2 Fuzzy Sets and Fuzzy Database Modeling
	2.1 Introduction
	2.2 Imperfect Information and Fuzzy Sets
		2.2.1 Imperfect Information
		2.2.2 Fuzzy Sets
		2.2.3 Fuzzy Graph
	2.3 Fuzzy Relational Database Models
	2.4 Fuzzy Object-Oriented Database Models
		2.4.1 Fuzzy Objects
		2.4.2 Fuzzy Classes
		2.4.3 Fuzzy Object-Class Relationships
		2.4.4 Fuzzy Inheritance Hierarchies
	2.5 Fuzzy XML Model
		2.5.1 Fuzziness in XML Documents
		2.5.2 Fuzzy XML Representation Models and Formalizations
	2.6 Summary
	References
3 Fuzzy RDF Modeling
	3.1 Introduction
	3.2 Fuzzy RDF Graph
		3.2.1 Fuzzy Information in RDF Graph
		3.2.2 Fuzzy RDF Data Model
	3.3 Fuzzy RDF Schema
	3.4 Similarity Matching of Fuzzy RDF Graphs
		3.4.1 Matching Semantics
		3.4.2 Matching Approach
	3.5 Algebraic Operations in Fuzzy RDF Graphs
		3.5.1 Algebraic Operations
		3.5.2 Equivalences
		3.5.3 Relationship of SPARQL and the Algebraic Operations
	3.6 Summary
	References
4 Persistence of Fuzzy RDF and Fuzzy RDF Schema
	4.1 Introduction
	4.2 Fuzzy RDF Mapping to Relational Databases
		4.2.1 Fuzzy Triple Stores Model
		4.2.2 Fuzzy Horizontal Stores
	4.3 Fuzzy RDF Mapping to Object-Oriented Databases
		4.3.1 Mapping of Fuzzy Classes
		4.3.2 Mapping of Fuzzy Properties
		4.3.3 Mapping of Datatypes
		4.3.4 Mapping of Fuzzy Instances
		4.3.5 Implementation
	4.4 Fuzzy RDF Mapping to HBase Databases
		4.4.1 Fuzzy RDF Storage in Fuzzy HBase
		4.4.2 FHBase‐Based RDF Queries
		4.4.3 Design and Implementation
	4.5 Fuzzy RDF Graph Mapping to Property Graph
		4.5.1 Preliminaries
		4.5.2 Transform Fuzzy RDF Graph to Property Graph
		4.5.3 Query Fuzzy RDF Graph in Neo4j
	4.6 Summary
	References
5 Fuzzy RDF Queries
	5.1 Introduction
	5.2 Exact Pattern Match Query Over Fuzzy RDF Graph
		5.2.1 Graph Pattern Matching Problem
		5.2.2 RDF Graph Pattern
		5.2.3 Fuzzy Graph Pattern Matching
		5.2.4 Query Evaluation Algorithms
	5.3 Approximate Fuzzy RDF Subgraph Match Query
		5.3.1 Problem Definition
		5.3.2 The Matching Algorithm
	5.4 Fuzzy Quantified Query Over Fuzzy RDF Graph
		5.4.1 Linguistic Quantifier and Fuzzy Quantified Statement
		5.4.2 Fuzzy Quantified Graph Patterns Matching
		5.4.3 Fuzzy Quantified Graph Patterns Matching
	5.5 Extended SPARQL for Fuzzy RDF Query
		5.5.1 The Fuzzy Query Language
		5.5.2 Implementation Issues
	5.6 Summary
	References
Index