Previously-run queries and their results (status, patient information) are displayed in and searched from 'Previous Queries' component. Previous queries are re-usable by dragging them into groups in the 'Query Tool' or by saving them into the 'Workplace'. 'Previous Queries' and 'Find' tab provides a way to identify an interesting previous query for reuse.
'Previous Queries' tab: Shows previous queries by descending order of time. The most recently run queries are displayed by default.
'Find' tab: Provides an interface to search for a previous query
6.1. Previous Queries tab
'Previous Queries' tab displays a list of previous queries.
6.1.2. Previous query information
Each previous query is displayed as one node.
Detailed information is structured under each query node.
For detailed information, click 
- Query name: query is formatted as Query name@Time[Date][User ID]
- Query status:
- Finished
- Patient information:
- Number of patients
