1. Function Notations Group 5 Guðlaugur Herason Kim Pilgaard Christensen Allan Madsen Mads Dørup

2. Business Analysis

3. Mission Statement Name: DSB-billetbestilling Acronym: DB Purpose: Improve the experience of traveling with DSB trains. Composition: Website that interacts with existing DSB-systems. Responsibilities: Reserve of tickets via the Internet. Purchase tickets via the Internet. Provide an overview of itineraries. Inform customers of relevant information. Inform ticket controllers of valid ticket holders. Exclusions: Deferred to later in accordance with Wieringa page 56.

4. Goal Tree

5. Function Refinement Tree

6. Service Description: Self-print ticket Triggering event: Customer has bought a ticket Delivered service: Ticket inserted into the DSB system and the customer gets a printable version of the ticket to bring for the train personal. Assumptions: The printer works, the net doesn't crash.

7. Service Description: Alert customers via SMS if the train is delayed Triggering event: The train is delayed Delivered service: An SMS to the customers who have registered through the system Assumptions: The customer supplied his mobile phone number when ordering the ticket.

8. Service Description: Send controllers a list of valid ticket holders Triggering event: Train is departing imminently Delivered service: A email with a list of names of valid ticket holders, and associated itineraries and seat type as well as ticket id number Assumptions: The printer works, the list is updated