XML Query
by Massimo Marchiori & Mary Fernandez

Table of contents

• XML-Query
• Precisation
• What are query languages?
• Structure
• Query Languages
• Example usage scenarios
• Timeline so far
• Situation at QL’98
• Current: Three-Layer Architecture
• W3C and Calculators
• DATA MODEL
• OPERATIONS
• SYNTAX
• XML Query Requirements
• MUST
• MUST have
• MAY have
• MUST
• MUST
• MUST
• MUST be
• XML Query Data Model
• XML Query Components
• XML Query Data Model
• Constructors
• Accessors
• Relationships
• More Information
• Questions?