Visual analytics techniques are widely utilized to facilitate the exploration of online
educational data. To help researchers better understand the necessity and the efficiency of …

Multimodal sentiment analysis aims to recognize people's attitudes from multiple
communication channels such as verbal content (ie, text), voice, and facial expressions. It …

Vocabulary learning support tools have widely exploited existing materials, eg, stories or
video clips, as contexts to help users memorize each target word. However, these tools …

Data storytelling is powerful for communicating data insights, but it requires diverse skills
and considerable effort from human creators. Recent research has widely explored the …

Delivering customer services through video communications has brought new opportunities
to analyze customer satisfaction for quality management. However, due to the lack of …

Constructing supervised machine learning models for real-world video analysis require
substantial labeled data, which is costly to acquire due to scarce domain expertise and …

Presenters commonly use slides as visual aids for informative talks. When presenters fail to
verbally describe the content on their slides, blind and visually impaired audience members …

Persuading people to change their opinions is a common practice in online discussion
forums on topics ranging from political campaigns to relationship consultation. Enhancing …

Work safety is an important area of business activity, particularly in industries with the most
dangerous risks, such as mining, construction and energy. The aim is to reduce the number …

Appropriate gestures can enhance message delivery and audience engagement in both
daily communication and public presentations. In this article, we contribute a visual analytic …