Data Flow Diagram

GPTKB entity

Statements (29)
Predicate Object
gptkbp:instanceOf mermaid
gptkbp:createdBy gptkb:Ed_Yourdon
gptkb:Larry_Constantine
gptkbp:doesNotShow control flow
timing information
gptkbp:focusesOn movement of data
https://www.w3.org/2000/01/rdf-schema#label Data Flow Diagram
gptkbp:level context diagram
level 1 DFD
level 2 DFD
gptkbp:notation arrows
circles
rectangles
open-ended rectangles
gptkbp:relatedTo flowchart
entity-relationship diagram
gptkbp:shows processes
external entities
data flows
data stores
gptkbp:standardizedBy Gane-Sarson notation
Yourdon-DeMarco notation
gptkbp:usedFor requirements analysis
system documentation
visualizing data flow in a system
gptkbp:usedIn software engineering
systems analysis
gptkbp:bfsParent gptkb:DFD
gptkbp:bfsLayer 7