- Title
- Predicting the quality of air with machine learning approaches: Current research priorities and future perspectives
- Creator
- Mehmood, Khalid; Bao, Yansong; Saifullah,; Cheng, Wei; Khan, Muhammad Ajmal; Siddique, Nadeem; Abrar, Muhammad Mohsin; Soban, Ahmad; Fahad, Shah; Naidu, Ravi
- Relation
- Journal of Cleaner Production Vol. 379, Issue 15 December 2022, no. 134656
- Publisher Link
- http://dx.doi.org/10.1016/j.jclepro.2022.134656
- Publisher
- Elsevier
- Resource Type
- journal article
- Date
- 2022
- Description
- The spiraling growth of the world's population and unregulated urbanization have resulted in many environmental problems, including poor quality of air, which is associated with a wide range of health issues. Machine learning approaches have been extensively employed to predict air quality, attracting the attention of the scientific community worldwide. Bibliometric studies provide a useful means by which to visualize and analyze published works, helping researchers to make novel scientific contributions by filling existing knowledge gaps in the research. To acquire an in-depth understanding of the topic, this paper presents a bibliometric analysis of all published articles on the use of machine learning networks to predict air quality found in the Web of Science (WoS) search engine from 1992 to 2021. S-curve analysis and social network analysis were used to identify the temporal distribution of articles, productivity by countries/continents, research institutions, and scientific metrics of journal productivity. This study indicated that maximum expansion of the literature witnessed during 2017–2021 (second phase) which represents an expansion or growth stage of machine learning and air quality prediction research. The number of published works increased significantly with 1432 articles accounting for 68.51% of all publications. As a result of the increased interest in machine learning-based prediction tools, the number of articles grew 2.17-fold compared to the 1992–2016 (first phase). In terms of international collaboration impact, Italy emerged as the most successful country (43.44), followed by Greece (31.22) and Spain (23.29). Author keywords analysis was employed to explore and evaluate the emerging research trends on the subject of air quality using machine learning models. Keywords that appear most frequently in this study are ‘air pollution’, ‘air quality’, ‘machine learning’, and ‘forecasting’. Citation burst analysis, research productivity analysis, highly influential and highly cited works were also employed to examine various research themes and questions. In this study we also discussed how conventional methods were transformed into machine learning approaches. It is expected that this paper will provide technical guidelines, research priorities, and future opportunities for the precise prediction of air quality and emergency management of air pollution globally.
- Subject
- machine learning models; air quality prediction; bibliometric analysis; S-curve analysis; SDG 3; SDG 11; Sustainable Development Goals
- Identifier
- http://hdl.handle.net/1959.13/1490115
- Identifier
- uon:52842
- Identifier
- ISSN:0959-6526
- Language
- eng
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