1. Superimposed Schemas Shawn Bowers Forest Advisory Board Meeting August 15th, 2001

2. The Uni-Level Description A generic representation for information Stores how the information is organized  XML, Spreadsheets, Relational Model, and so on Supports transforming between representations and querying

3. A Scenario Product Inserts Receipts Could a medication have caused my reaction? Prescriptions

4. Superimposed Schema: Access Through Common Structure Prescriptions Receipts Query Ingredient Prescription RX# date name active Provider name location Instructions Medication RX# dateFilled brandName refill# text

5. Superimposed Schema: Access Through Common Structure Product Inserts Precautions Adverse Reactions IngredientProduct name active inactive Symptom description percentage seasonal chronic Query

6. Implications for the Forest Portal What is done with documents once found, and can we help?  Query them to find information  Remember sub-parts of documents for later use  Create virtual documents  Annotate for task-specific use (during a project) Common Document Types (with varying formats)  Environmental Impact Statements  Water Quality Assessment Reports  Others?