A Machine-Learning-Aided Visual Analysis Workflow for Investigating Air Pollution Data

• URL: http://arxiv.org/abs/2202.05413v1
• Date: Fri, 11 Feb 2022 02:24:21 GMT
• Title: A Machine-Learning-Aided Visual Analysis Workflow for Investigating Air Pollution Data
• Authors: Yun-Hsin Kuo, Takanori Fujiwara, Charles C.-K. Chou, Chun-houh Chen, Kwan-Liu Ma
• Abstract summary: Analyzing air pollution data is challenging as there are various analysis focuses from different aspects: feature (what), space (where), and time (when) We develop a visual analytic system that supports a flexible analysis workflow, allowing domain experts to freely explore different aspects based on their analysis needs.
• Score: 18.972547412113567
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Analyzing air pollution data is challenging as there are various analysis focuses from different aspects: feature (what), space (where), and time (when). As in most geospatial analysis problems, besides high-dimensional features, the temporal and spatial dependencies of air pollution induce the complexity of performing analysis. Machine learning methods, such as dimensionality reduction, can extract and summarize important information of the data to lift the burden of understanding such a complicated environment. In this paper, we present a methodology that utilizes multiple machine learning methods to uniformly explore these aspects. With this methodology, we develop a visual analytic system that supports a flexible analysis workflow, allowing domain experts to freely explore different aspects based on their analysis needs. We demonstrate the capability of our system and analysis workflow supporting a variety of analysis tasks with multiple use cases.

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