Requirements engineering seminar with a real case study

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Requirements engineering seminar with a real
case study

• Zoran Budimac

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Requirements engineering

• Elective seminar offered this year 12 students
• Three teams 1 individual to cover validation
• IV and III year
• Budimac and Ivanovic
• Combination of theory and practice
• Theory
• Elicitation
• SRS example, another example of RS (JCSE),
  overviewed notations (UC, automaton, activity
  diagrams)
• Validation

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Practice - 1

• Analysis
• exercise with sampled interviews for virtual
  company (12 pages) general manager, IT manager,
  security officer, financial manager (on site!).
• Sampled interviews are for stating the
  requirements for hardware and software
  infra-structure for the company
• The task was to order the gathered information
  according to importance

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Practice 1 - analisys

• General manager
• Two paragraphs saying that they are distributed
  among 8 centers in 8 countries, having 650
  employees, and will grow by 10 every year. Thae
  wanted a stable solution that will be valid at
  least 10 years
• IT manager
• 9 pages stating in 12 points specific tasks such
  are what shall be accessible from Internet, what
  should not, what should be accessible from
  wireless, how access should be maintained from
  within a building and from distributed centers
• Security officer
• 1 page stating security issues
• Financial manager
• 2 paragraphs stating that the most important
  application is ERP that has to report in
  real-time and that money is not the issue

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Can you guess in one minute?
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1
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Practice 2 from interview to specification

• Subset of a real case study
• Software for a company selling dishes in a
  door-to-door manner, to be run in three
  countries
• Customers and their status
• Contracts
• With their lifetime (remainders, annulations,
  invoices, )
• Associates with their hierarchy
• Provision (commission) calculation
• Not all phases could be performed properly (e.g.,
  reviews done only by me)

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Practice 2 (contd.)

• I was acting in different roles customer,
  lecturer, reviewer we were trying to make a
  clear difference of my roles.
• Face to face, e-mail, Skype
• This task was done by teams over the semester and
  should end with a RS according to IEEE SRS
  recommendation.

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Practice 3 - automaton

• Done on the site.
• To create automaton that describes the lifetime
  of the contract.

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Results

• Final mark based on the final document and
  solutions to practical aassignments
• One team got 10, other two got 8
• Every team needed 3 itearations until mark could
  be offered
• Two persons are doing additional tasks for better
  marks
• Final document