scientific papers

TensiStrength – Stress and Relaxation Magnitude Detection for Social Media Texts

July 26, 2016

by University of Wolverhampton, United Kingdom

Abstract: Computer systems need to be able to react to stress in order to perform certain tasks optimally. This paper describes TensiStrength, a system to detect the strength of stress and relaxation expressed in social media text messages. TensiStrength uses a lexical approach and a set of rules to detect direct and indirect expressions of stress or relaxation, particularly in the context of transportation. It is slightly more effective than a comparable sentiment analysis program, although performance may be similar despite differences in almost half of the tweets gathered. The effectiveness of TensiStrength depends on the nature of the tweets classified, with tweets that are rich in stress-related terms being particularly problematic. Although generic machine-learning methods can give a better performance than TensiStrength overall, they exploit topic-related terms in a way that may be undesirable in practical applications, and that may not work as well in more focused contexts. In conclusion, TensiStrength and generic machine-learning approaches work well enough to be practical choices for intelligent applications that need to take advantage of stress information, and the decision about which to use depends on the nature of the texts analysed and the purpose of the task. Repository link here.

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