Career
He presently works as associate professor at the Indiana University School of Informatics and Computing. He is best known for correlating Twitter mood to stock market prices, although with controversies of data mining bias. He has taught courses on data mining, information retrieval and digital libraries.
His research has been funded by The Andrew West. Mellon Foundation, National Science Foundation, Library of Congress, National Aeronautics and Space Administration and the Los Alamos National Laboratory.
From 2002 to 2005 he was an Assistant Professor at the Department of Computer Science of Old Dominion University. He was a Staff Scientist at the Los Alamos National Laboratory from 2005-2009.
He is currently an Associate Professor at the Indiana University School of Informatics and Computing.