Eric van der Vlist is the resident expert on XML schema languages on [...]. He is also a member of the ISO DSDL committee, where standardization work on RELAX NG and related specifications is in progress. Eric is also the author of O'Reilly's XML Schema.

Preface;
Who Should Read This Book?;
Who Should Not Read This Book?;
About the Examples;
Organization of This Book;
Conventions Used in This Book;
How to Contact Us;
Acknowledgments;
Chapter 1: Schema Uses and Development;
1.1 What Schemas Do for XML;
1.2 W3C XML Schema;
Chapter 2: Our First Schema;
2.1 The Instance Document;
2.2 Our First Schema;
2.3 First Findings;
Chapter 3: Giving Some Depth to Our First Schema;
3.1 Working From the Structure of the Instance Document;
3.2 New Lessons;
Chapter 4: Using Predefined Simple Datatypes;
4.1 Lexical and Value Spaces;
4.2 Whitespace Processing;
4.3 String Datatypes;
4.4 Numeric Datatypes;
4.5 Date and Time Datatypes;
4.6 List Types;
4.7 What About anySimpleType?;
4.8 Back to Our Library;
Chapter 5: Creating Simple Datatypes;
5.1 Derivation By Restriction;
5.2 Derivation By List;
5.3 Derivation By Union;
5.4 Some Oddities of Simple Types;
5.5 Back to Our Library;
Chapter 6: Using Regular Expressions to Specify Simple Datatypes;
6.1 The Swiss Army Knife;
6.2 The Simplest Possible Patterns;
6.3 Quantifying;
6.4 More Atoms;
6.5 Common Patterns;
6.6 Back to Our Library;
Chapter 7: Creating Complex Datatypes;
7.1 Simple Versus Complex Types;
7.2 Examining the Landscape;
7.3 Simple Content Models;
7.4 Complex Content Models;
7.5 Mixed Content Models;
7.6 Empty Content Models;
7.7 Back to Our Library;
7.8 Derivation or Groups;
Chapter 8: Creating Building Blocks;
8.1 Schema Inclusion;
8.2 Schema Inclusion with Redefinition;
8.3 Other Alternatives;
8.4 Simplifying the Library;
Chapter 9: Defining Uniqueness, Keys, and Key References;
9.1 xs:ID and xs:IDREF;
9.2 XPath-Based Identity Checks;
9.3 ID/IDREF Versus xs:key/xs:keyref;
9.4 Using xs:key and xs:unique As Co-occurrence Constraints;
Chapter 10: Controlling Namespaces;
10.1 Namespaces Present Two Challenges to Schema Languages;
10.2 Namespace Declarations;
10.3 To Qualify Or Not to Qualify?;
10.4 Disruptive Attributes;
10.5 Namespaces and XPath Expressions;
10.6 Referencing Other Namespaces;
10.7 Schemas for XML, XML Base and XLink;
10.8 Namespace Behavior of Imported Components;
10.9 Importing Schemas with No Namespaces;
10.10 Chameleon Design;
10.11 Allowing Any Elements or Attributes from a Particular Namespace;
Chapter 11: Referencing Schemas and Schema Datatypes in XML Documents;
11.1 Associating Schemas with Instance Documents;
11.2 Defining Element Types;
11.3 Defining Nil (Null) Values;
11.4 Beware the Intrusive Nature of These Features...;
Chapter 12: Creating More Building Blocks Using Object-Oriented Features;
12.1 Substitution Groups;
12.2 Controlling Derivations;
Chapter 13: Creating Extensible Schemas;
13.1 Extensible Schemas;
13.2 The Need for Open Schemas;
Chapter 14: Documenting Schemas;
14.1 Style Matters;
14.2 The W3C XML Schema Annotation Element;
14.3 Foreign Attributes;
14.4 XML 1.0 Comments;
14.5 Which One and What For?;
Chapter 15: Elements Reference Guide;
Chapter 16: Datatype Reference Guide;
XML Schema Languages;
What Is a XML Schema Language?;
Classification of XML Schema Languages;
A Short History of XML Schema Languages;
Sample Application;
XML DTDs;
W3C XML Schema;
RELAX NG;
Schematron;
Examplotron;
Decisions;
Work in Progress;
W3C Projects;
ISO: DSDL;
Other;
Glossary;
Colophon;