Importance Evaluation of Movie Aspects: Aspect-Based Sentiment Analysis

Sentiment analysis (SA) is useful to analyze movie reviews since sentiment within audience comments is the feedback of movies. The most important aspect of the movie is explored by investigating the sentiment of different aspects of movie reviews of IMDb. Four main movie aspects were evaluated, which include actors, directors, plot, and music. Both sentiment orientation and intensity will be determined with the fine-grained analysis. A filter is created to extract aspect related words within a lexicon modified by us and compute sentiment ratings with VADER. This investigation showed that reviews on the plot have the most significant impact, slightly higher than those of actors. Thus, the experiment gives the result that a good plot is a proxy for a movie to succeed.