text: U.S. Funds Chat-Room Surveillance Study A Rensselaer Polytechnic Institute computer science professor hopes to develop mathematical models that can uncover structure within the scattershot traffic of online public forums.  &lt;FONT face="verdana,MS Sans Serif,arial,helvetica" size="-2"\ color="#666666"&gt;&lt;B&gt;-The Associated Press&lt;/B&gt;&lt;/FONT&gt;