Thesis - Instituto de Telecomunicações

3.2. HUMAN COMPUTER INTERACTION 41Figure 3.2: HCI acquisition example: the memory game.Figure 3.3: Graph of the user interaction in the memory game. The staring point is markedwith ’o’. The pointer movements are marked along the line and the ’+’ mark the mouseclicks. .become hidden again.Figure 3.3 shows a graph of a user interaction while playing an entire memory game.The graph is produced by joining every sequential mouse movement with lines and using across mark to indicate a mouse click.In table 3.3 we show an excerpt of the recorded interaction protocol. These are datamessages (see table 3.2) where we omitted the Other Information field since in those eventsit is empty.The data collected by the WIDAM system enables the creation of advanced tools tomonitor the activity of a user in a web environment. We have access to detailed contextualinformation of what the user is doing in the distinct web page content areas.