Abstract
The public’s acceptance level of recycled water use is a key factor that affects the popularization of this technology; therefore, it is critical to know the public’s attitude in order to make guiding policies effectively and scientifically. To examine the major focuses and hot topics among the public about recycled water use, one of the major platforms for social opinion in China, the micro blog, is used as a source to obtain data related to the topic. Through the “follow-be followed” and “forward-dialogue” behaviors, a network of discussion of recycled water use among micro-blog users has been constructed. Improved particle swarm optimization has been used to allow deep digging for key words. Ultimately, key words about the topic of have been clustered into three categories, namely, the popularization status of recycled water use, the main application, and the public’s attitude. The conclusion accurately describes the concerns of Chinese citizens regarding recycled water use, and has important significance for the popularization of this technology.
Highlights
With the continued development of the social economy, population growth, and improvements in people’s requirements in terms of life quality, the consumption of natural water resources for human activities has increased significantly
The core object of this research is to find the hot topic of the public’s concern about recycled water use, and cluster the key words appearing in the micro-blog topics about recycled water use
The research conclusions reflect the concerns of Chinese netizens; we obtained the following inspiration from these research conclusions: In recent years, recycled water use and wastewater treatment plants have been built rapidly in China
Summary
With the continued development of the social economy, population growth, and improvements in people’s requirements in terms of life quality, the consumption of natural water resources for human activities has increased significantly. Recycled water can be obtained by wastewater treatment It is a stable resource and is not affected by season. Wastewater treatment technology is not the major difficulty that restricts the popularization of recycled water use. One can have a good understanding of hot topics about recycled water use through the digging of micro-blog big data related to recycled water use, so as to confirm the main concerns of Chinese netizens [17,18]. As a complicated social network consists of these relationships, a micro-blog is very similar to bird flocks, in the sense that both change from time to time. Improved particle swarm optimization was used to dig out sensitive communities within a complicated network, so as to describe the hot topics about recycled water use among Chinese netizens
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