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, ...

Both data flow diagrams and entity/relationship data models were nearly 20 years old. Modeling in that context (whether it was data flows, ... all modelers with guidance as to how to produce an ...

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 ...

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