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- SW-Development Lifecycle: Main Tasks

- Analysis tasks:  modelling used in subtasks of requirements specification and conceptualization

- Design tasks:   modelling used in subtask of preliminary design (formalization)

- Distinguish in these subtasks:  modelling activities,   modelling components

- Examples of modelling:

- Project information sheet (NDS)

-> relational model

-> object-oriented model

- Registration and title information

-> object-oriented model (Coad/Yourdon)

- Product liability claims

-> knowledge-based model (Waterman)