On Twitter, COVID-19 is a highly discussed topic. People worldwide have used Twitter to
express their viewpoints and feelings during the pandemic. Previous research has focused …

The interest in social media sentiment analysis and opinion mining for public security events
has increased over the years. The availability of social media platforms for communication …

Background Public satisfaction is the ultimate goal and an important determinant of China's
urban regeneration plan. This study is the first to use massive data to perform sentiment …

Since the start of the COVID-19 pandemic, government authorities have responded by
issuing new public health policies, many of which were intended to contain its spread but …

We propose a user-centered visual explorer (UcVE) for progressive comparing multiple
visualization units in spatiotemporal space. We create unique unit visualization with the …

The visual modeling method enables flexible interactions with rich graphical depictions of
data and supports the exploration of the complexities of epidemiological analysis. However …

The vaccination program which helps avert pandemics is facing new hurdles, including the
emergence of hazardous new virus strains and public distrust. Analyzing the sentiment …

Abstract Newspapers and News Websites have become a part and a crucial medium in
society. They provide information regarding the events that are happening around and how …

abstract The interest in social media sentiment analysis and opinion mining for public
security events has increased over the years. The availability of social media platforms for …

数据时代, 数据无处不在. 信息可视化是将数据映射为视觉图形, 提高对数据的认知效率,
传达数据背后的有效信息. 为描绘国际信息可视化领域的研究图景, 本文借助CiteSpace 软件 …