George Erhart

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This paper describes the systems submitted by Avaya Labs (AVAYA) to SemEval-2013 Task 2 Sentiment Analysis in Twitter. For the constrained conditions of both the message polarity classification and contextual polarity disambiguation subtasks, our approach centers on training high-dimensional, linear classifiers with a combination of lexical and syntactic(More)
Video is becoming an important medium for contact centers to serve customers, in addition to voice self service systems and live agents. Recently, video-enabled communication devices such as 3G mobile phones, IP softphones, and the like have become more widely deployed. For users of such video-enabled devices calling into contact centers, a more effective(More)
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