XML Query Use Cases WD
  - Use Case Organization
  - Description, DTD/Schema, Input Data, Queries and Results
 
- Current Use Cases
  - "XMP": Experiences and Exemplars
- "TREE": Queries that preserve hierarchy
- "SEQ" - Queries based on Sequence
- "R" - Access to Relational Data
- "TEXT": Full-text Search
- "NS" - Queries Using Namespaces
- "PARTS" - Recursive Parts Explosion
- "REF" - Queries based on References