Graph drawing by force-directed placement
Software—Practice & Experience
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With the growing use of online communication (e.g., email or instant message), communication data becomes rich in multiple dimensions. The data silently record our daily activities over the years, and the ability to collect and utilize such data can help to recall our everyday lives. However, the browsing of thousands of communication messages is tedious, and there is no effective ways to present past activities and interesting events to users. In this extended abstract, we present a visualization system that is designed for presenting the underlying personal activities found within large communication data. The visualization of communication archives aims to provide a qualitative view of the data, and can be brought to casual users. We characterize each person according to the communication volume, structures, and history. With the aid of animation, the system depicts the communication activities and the change of relations over time. By using the visualization, users can extend their memory from the messaging behaviors to the details of their past activities.