VisualDTA is an application that can be used to assist Dynamic Topic Analysis (DTA) by providing a way to visualize the structure of the topic flow within a conversation.
This visualization research is being conducted by Andrew Kurtz and Susan Herring and is based on Dr. Herring's DTA visualization described in her Dynamic Topic Analysis of Synchronous Chat paper. DTA research is a component of Computer-Mediated Discourse Analysis (CMDA). Dr. Herring performs research using CMDA techniques and the techniques in various courses.
The VisualDTA application may be used for any noncommercial purposes.
The application requires Java 1.4 or better and should run on any system that has Java installed. It has been test on Mac OS X and Windows XP.
This is a quick-start guide. For more detailed instructions see then help within the application.
If you are running Windows and you do not have Java 1.4 installed (it does not come pre-installed), you should download the latest Java and install it. If you are running Mac OS X make sure you have installed the latest Java updated through Software Update.
VisualDTA.zip [~ 4MB]