1. * * Tournament start : Date end : Date Referee Match start : Time end : Time 1..2 name : String :Tournament start : 2004/03/01 end : 2004/03/04 :Referee name : Jean :Referee name : Martin day : Date :Match start : 15:00 end : 16:30 day : 2004/03/02 :Match start : 13:00 end : 14:30 day : 2004/03/02 :Match start : 13:00 end : 14:30 day : 2004/03/02 :Tournament start : 2004/03/02 end : 2004/03/04 :Match start : 13:00 end : 14:30 day : 2004/03/04 :Referee name : Sheila :Referee name : Paul :Match start : 15:00 end : 16:30 day : 2004/03/03

3. Ordinary User Meteorologist «extends» «includes» Check Forecast Login Update Forecast Select City Change Weather Info Select City by Typing Name Select City by Browsing Browse for Item Attempt to Select an Inexistent City «includes»

4. Ordinary User Meteorologist Check Forecast Update Forecast Login Change Weather Info