Visualizing Social Patterns in Virtual Environments on a Local and Global Scale. In: Digital Cities 3: Local information and communication infrastructures: Experiences and challenges: To be published by

Abstract. Today a wide variety of virtual worlds, cities, gaming environments etc. exist and become part of life of their human inhabitants. However, our understanding on how technology influences the way people can use these virtual places to access information, expertise, to socialize, etc. is very limited. Previous work [1-3] introduced a tool set that generates visualizations of user interaction data to support social navigation, aid designers of virtual worlds in the evaluation and optimization of world content and layout as well as the selection of interaction possibilities, and enables researchers to monitor, study, and research virtual worlds and their evolving communities. This paper applies an advanced version of this tool set to visualize and analyze local and global usage patterns in a virtual learning environment called Linkworld.

113 Years of Physical Review: Using Flow Maps to Show Temporal and Topical Citation Patterns

We visualize 113 years of bibliographic data from the American Physical Society. The 389,899 documents are laid out in a two dimensional time-topic reference system. The citations from 2005 papers are overlaid as flow maps from each topic to the papers referenced by papers in the topic making intercitation patterns between topic areas visible. Paper locations of Nobel Prize predictions and winners are marked. Finally, though not possible to reproduce here, the visualization was rendered to, and is best viewed on, a 24 ” x 30 ” canvas at 300 dots per inch (DPI). Keywords---network analysis, domain visualization, physical review 1