This context diagram presents the scope of the process, emphasizing its interfaces with the larger environment.
In essence, it draws boundaries around the specific process to explicitly identify what is included (and excluded) from the text mining process.
As the context diagram indicates, the input (inward connection to the left edge of the box) into the text-based knowledge discovery process is the unstructured as well as structured data collected, stored, and made available to the process is the context-specific knowledge that can be used for decision making.