Use Case Diagram 4

Assumptions:

• A story has been posted by another user.
• The system supports registration
• It is assumed that the user was not logged in in the first place, indicating that guest users are allowed to use search functionalities of the website.
• It is assumed that logged in users can use all services that guest users can.
• It is assumed that users with posting privileges can use all functionalities basic users can.
• It is assumed that users can navigate the map without previously using the search function.
• It is assumed that to preview a marker using hover, a PC must be used (deduced by the use of "cursor" in the scenario text).

Use Case Diagram: