Declarative Tool Description (DTD) Contains information needed by Data/Task/Result Manager:

• Type of tool, origin, help information
• kind of data required (in terms of types provided by kernel)
• kind of result produced (freely assigned by tool)

Tool API (TAPI)

implements operations called by Result Manager:

• textual representation of results
• visualization of results
• execution of results

These can tap into support libraries of kernel (visualization, execution).

 

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