Research on Sentiment Analysis: The First Decade

The first publications on sentiment analysis and opinion mining were published roughly a decade ago. Now it is time to lookback on the achievements so far. This paper presents statistics on the evolution of sentiment analysis. What kind of topics have beendiscussed? How has their popularity changed over time? Who have been the leading researchers? Answers to these questions areprovided by statistical analysis on keywords and by applying Latent Dirichlet Allocation to the titles and abstracts of the publications. The aim of this paper is to provide background information on the big picture of semantic analysis and its development over time.