10 Establishing the requirements

1. actors

1.1. Business representatives

1.1.1. Project sponsor

1.1.2. SME

1.1.3. Business users

1.2. Project team

1.2.1. Project manager

1.2.2. Business analyst

1.2.3. Developers, or technical architects

2. methods

2.1. CATWOE

2.2. OSCAR

3. RE phases

3.1. Elicitation

3.1.1. Building the initial requirements list

3.1.2. Requirement elicitation techniques

3.1.3. Process "tacit to explicit knowledge"

3.2. Analysis

3.2.1. Categorization

3.2.2. Drawing a set of models

3.2.3. Applying filters

3.3. Validation

4. Tacit knowledge

4.1. Skills

4.2. Taken-for-granted information

4.3. Front-story / back-story

4.4. Conceptualizing requirements

4.5. "You finger, you fool"

4.6. Intuitive understanding

5. Agile approach

5.1. Has other level and type of documentation

5.2. Evolving requirements during development

5.3. Requirements completed when development completed

5.4. In dynamic environment, with unclear requirements initially, and short timescale

6. Filters

6.1. Overlapping or duplicate

6.2. Multiple

6.3. Relevance

6.4. Feasibility

6.5. Removing conflicts

6.6. Checking for solutions

6.7. Confirm standard of quality

7. Requirements engineering framework