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AIC Seminar Series

CARA: A Cultural Reasoning Architecture

V.S. SubrahmanianUniversity of Maryland, College Park[Home Page]

Notice:  hosted by John Lowrance

Date:  Wednesday, March 5th 2008 at 10:30am

Location:  EJ228 (SRI E building)  (Directions)


CARA (Cultural Reasoning Architecture) is a software architecture whose long-term goal is to support the automated extraction of models of the behaviors of groups (e.g. terror groups, political organizations, etc.) situated in foreign cultures within a 48-72 hour time frame. CARA consists of algorithms and tools (T-REX) to automatically find data in multilingual documents (e.g. news papers, intel cables, blogs) relevant to various attributes of such groups, and methods (called OASYS) to quantify the intensity of opinions held by those groups on various topics. Based on the automated extraction of such "refined" data, CARA includes the concept of stochastic opponent modeling agents (SOMA). SOMA agents are automatically learned from such data, as well as from existing data sets. The SOMA Terror Organization Portal allows analysts to track activities that various groups have been involved in, reason with the learned stochastic agents, and forecast what might happen in the future. This portal is currently used by individuals at several DoD entities.

The talk will describe the components of the CARA architecture at a high level, but will go into the OASYS Opinion Analysis system in depth.

   Bio for V.S. Subrahmanian

Prof. Subrahmanian has published over 180 articles in leading international conferences and journals. He was recently named to which currently lists the top 320 most cited computer scientists of all time. He was named to the top 20 best computer science "mentors" (post 1993) in a worldwide study by the Indian Institute of Science in 2004. He received the NSF Young Investigator Award in 1993 and the Distinguished Young Scientist Award from the Maryland Academy of Science/Maryland Science Center in 1997. Prof. Subramanian’s work has been described in articles in Science, Computerworld, Italy’s RAI 3 state TV channel¸ and many other national and international media outlets. He has served on DARPA’s (Defense Advanced Research Projects Agency) Executive Advisory Council on Advanced Logistics and as an ad-hoc member of the US Air Force Science Advisory Board (2001). He serves on the Board of Directors of the Development Gateway Foundation (set up by the World Bank in 1999 to use IT for global development goals).

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