Business Analysis & Requirements Engineering
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Business Analysis & Requirements Engineering
Innovating Your Products and Processes For Sustainable Success
About the Book
Business Analysis & Requirements Engineering
- Successful cooperation between business and IT
- ONE GOAL - independent of your job title: create products, systems and proceses that your users will love
- Pragmatic methods to identify and communicate requirements
New in the third edition:
- more on quality requirements
- more criteria for structuring requirements in the large
About the Author
Table of Contents
- Preface
- Preface to the Third Edition
- 1 Problems, Goals, Ideas and Visions
- 1.1 What are we Talking About?
- 1.2 Quantitative Reasons
- 1.3 Qualitative Reasons
- 1.4 Why doesn’t Everyone Do it Right?
- 1.5 Two More Reasons
- 1.6 Standardization and Certification
- 1.7 Three Pillars of Successful Projects
- 1.8 Definition: Business Analysis and Requirements Engineering
- 1.9 Definition: Requirement
- 1.10 Types of Requirements
- 1.11 Main Tasks of Analysts and Product Owners
- 1.12 Distribution of Tasks in a Team
- 1.13 Required Skills
- 1.15 What Makes Analysis Easier?
- 1.16 Different Approaches
- 1.17 Summary
- 2 A Successful Start
- 2.1 Three Ingredients for a Successful Start
- 2.2 Goals
- 2.3 Specify Goals
- 2.4 Stakeholders
- 2.5 Finding Stakeholders
- 2.6 The Most Important Stakeholders: The Users
- 2.7 Further Sources for Requirements
- 2.8 Scope and Context
- 2.9 Scope and Analysts
- 2.10 Dealing with Gray Areas
- 2.11 Representation of the System/Product Boundary
- 2.12 Alternative Notations
- 2.13 The Three Ingredients for Success (Once More)
- 2.14 Summary
- 3 Business Processes and Product Functionality
- 3.1 Requirements of Different Granularity
- 3.2 Structuring and Organizing Functional Requirements
- 3.3 Processes: The Basic Idea
- 3.4 Finding Processes
- 3.5 Structuring a Domain into Subdomains
- 3.6 Recommendations and Warnings
- 3.7 Summary
- 4 A Closer Look at Major Functions
- 4.1 Decomposition Criteria
- 4.2 Where Do You Stop?
- 4.3 Top-down or Bottom-up?
- 4.4 Summary
- Intermezzo
- 5 Requirements in Natural Language
- 5.1 IEEE Requirements for Requirements
- 5.2 Between Perception and Written Record
- 5.3 Good Requirements in Natural Language
- 5.3.1 The Story Format
- 5.3.2 Alternative Sentence Templates
- 5.4 General Style Guidelines
- 5.5 A Glossary for Data
- 5.6 Good Definitions
- 5.7 Writing Glossary Entries
- 5.8 Summary
- 6 Modeling Requirements
- 6.1 Use Case Models
- 6.1.1 Structuring Use Cases
- 6.1.2 Use Cases and Natural Language: A Comparison
- 6.1.3 Business Use Cases and Product Use Cases
- 6.1.4 Finding Use Cases
- 6.1.5 The Number of Use Cases
- 6.1.6 Three Tricks for Simplification
- 6.1.7 Describing Use Cases
- 6.1.8 Description at the Kite Level
- 6.1.9 Description at the Wave Level
- 6.1.10 Description at the Fish Level
- 6.1.11 The Style at the Wave Level
- 6.1.12 Summary of Use Case Models
- 6.2 Story Maps
- 6.3 Context Maps
- 6.4 Data Models
- 6.4.1 A Brief Story
- 6.4.2 Data Models as a Structured Glossary
- 6.4.3 (Entity) Classes
- 6.4.4 Entity Class Models
- 6.4.5 Relationships
- 6.4.6 Special Relationships
- 6.4.7 Draw or Write?
- 6.4.8 Three More Examples
- 6.4.9 Processes and Data
- 6.4.11 Summary of Data Models
- 6.5 When the Rough Specification of Processes is not enough …
- 6.6 Activity Diagrams
- 6.6.1 Breaking Down Activities
- 6.6.2 Swimlanes and Data
- 6.6.3 Draw or Write?
- 6.6.4 Where do you Stop?
- 6.6.5 Once again: Top-down or Bottom-up?
- 6.7 Alternative Function Models
- 6.7.1 Data Flow Diagrams
- 6.7.2 Event-driven process chains (EPC)
- 6.7.3 Business Process Model and Notation (BPMN)
- 6.7.4 Summary of More Detailed Functional Models
- 6.8 Behavior Models
- 6.8.1 Why another Model?
- 6.8.2 Basics of State Models
- 6.8.3 Actions and Activities
- 6.8.4 Creating and Checking State Models
- 6.8.5 Complex State Models
- 6.8.6 An Example
- 6.8.7 Drawing or Writing?
- 6.8.8 State Models and Activity Diagrams
- 6.8.9 Use Cases and State Models
- 6.8.10 Summary of State Models
- 6.9 Summary of Requirements Models
- 7 Quality Requirements and Constraints
- 7.1 What is this about?
- 7.2 Categorization schemes
- 7.3 Identify and Assign Quality Requirements and Constraints
- 7.4 Examples of External Qualities
- 7.5 Examples of Internal Qualities
- 7.6 Examples of Constraints
- 7.7 More Examples: Copy from Open Source**
- 7.8 Measurability of Requirements
- 7.9 Summary
- 8 Documenting Requirements
- 8.1 Why Document at all?
- 8.2 Many Names and Multiple Documents?
- 8.3 Requirements for Requirements Documentation
- 8.4 Examples of the Structure of Requirements Documentation
- 8.5 Minimum Content
- 8.6 Summary
- 9 Eliciting Requirements
- 9.1 The Kano Model
- 9.2 Types of Survey Methods
- 9.3 What Influences the Selection?
- 9.4 Examples of Question & Answer Techniques
- 9.5 Examples of Observation Techniques
- 9.6 Examples of Past-Oriented Techniques
- 9.7 Examples of Creativity Techniques
- 9.8 Survey Techniques and Tools
- 9.9 Another Creativity Technique
- 9.10 Overview (Recap)
- 9.11 Summary
- 10 Check and Consolidate Requirements
- 10.1 Quality Gates
- 10.2 Goals of the Check
- 10.3 Types of Checks
- 10.4 Who Should be Involved?
- 10.5 What is Validated?
- 10.6 Checklists for Content Checks
- 10.7 What to Do in Case of Defects?
- 10.8 Conflict Management
- 10.9 Summary
- 11 Requirements Management
- 11.1 Definition: Requirements Management
- 11.2 Preparatory Activities
- 11.2.1 The Requirements Process
- 11.2.2 Roles
- 11.3 Ongoing Activities
- 11.3.1 Attribute Assignment for Fequirements
- 11.3.2 Creating Views
- 11.3.3 Prioritization
- 11.3.4 Baselines and Releases
- 11.3.5 Change Management
- 11.3.6 Traceability
- 11.4 Summary
- 12 Requirements Tools
- 12.1 Categories of Tools
- 12.2 Capabilities of Tools
- 12.3 Strengths and Weaknesses of the Categories
- 12.4 Tool Selection
- 12.5 Introduction of Tools
- 12.6 Summary
- Literature
- Preface
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