Learn how to create and update data flow diagrams (DFDs) for business systems analysis. Discover the symbols, meanings, conventions, and best practices of DFDs.

Data flow diagrams (DFDs) offer a visual representation of how information moves within a business system. They break down the system's processes, illustrating where data originates, how it's ...

ER diagrams have a proven track record to rep-resent data structure and relationships, in many CS problems, beyond relational databases. The ER diagram strengths are abstraction, generality, ...

The set of symbols used is limited, and the grammar quite simple, to allow its usage in textbooks and its teaching directly in high schools. The first level of the SBGN Process Diagram has been ...

The Systems Biology Graphical Notation (SBGN) is a graphical representation crafted over several years by a community of biochemists, modellers and computer scientists.

In a data science project, a significant effort is spent pre-processing databases, text and image data sets, before a machine learning model can be computed. Moreover, the analytic process is ...