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IMS5024 Information Systems Modelling. Review of topics. The examination. 3 hours duration, closed book 5 questions, each 20 marks answer all questions read the questions carefully answer the question asked, not the question you want to answer
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IMS5024 Information Systems Modelling Review of topics
The examination • 3 hours duration, closed book • 5 questions, each 20 marks • answer all questions • read the questions carefully • answer the question asked, not the question you want to answer • some application of modelling techniques will be needed
Purposes • the Unit • the Exam • the Assignments
Modelling fundamentals • what is a model • the nature of models • logical equivalence
Types of models • product and problem oriented • conceptual and formal • Blum’s taxonomy
Representation • an object • a process • a record, a table, a star, a snowflake • an event • procedural flow
Relevance • a system to… • a system of relevance to… • Soft Systems Methodology
Combining views • the Class model, the STD, the EPC • the Class model, the DFD, the sequence diagram • the Class model, the ERD, the table
Shared concepts across views • operations or processes • events • structures of attributes
