Mapping the Public Voice for Development—Natural Language Processing of Social Media Text Data: A Special Supplement of Key Indicators for Asia and the Pacific 2022
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Mapping the Public Voice for Development—Natural Language Processing of Social Media Text Data - Asian Development Bank
MAPPING THE PUBLIC VOICE FOR DEVELOPMENT
NATURAL LANGUAGE PROCESSING OF SOCIAL MEDIA TEXT DATA
A Special Supplement of Key Indicators for Asia and the Pacific 2022
AUGUST 2022
Creative Commons Attribution 3.0 IGO license (CC BY 3.0 IGO)
© 2022 Asian Development Bank
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Tel +63 2 8632 4444; Fax +63 2 8636 2444
www.adb.org
Some rights reserved. Published in 2022.
ISBN 978-92-9269-701-3 (print); 978-92-9269-702-0 (electronic); 978-92-9269-703-7 (ebook)
Publication Stock No. FLS220347-3
DOI: http://dx.doi.org/10.22617/FLS220347-3
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Cover design by Princess Monique Abaya Po.
Contents
Tables, Figures, and Listings
Foreword
Sound economic research and policymaking depend on timely and granular data—the coronavirus disease (COVID-19) pandemic further heightened the need for realtime and comprehensive information for these purposes. High-quality data can inform us of the ways that knowledge is generated, how governance is perceived by the general public, and the process of policy formulation. Data are increasingly being generated at the personal level, with social media emerging as an important platform. As more and more people use social media to receive information and share their views, social media text data become a valuable source of timely and granular information that can be used to map and track the behavior, opinions, concerns, and expectations of citizens. Thus, publicly available social media text data from diverse social media platforms can be used to study sentiment or topics of concern in society. Analysis of such data can be conducted through the application of natural language processing (NLP), which is the core subject of this special supplement to Key Indicators for Asia and the Pacific 2022.
This report aims to introduce techniques and procedures of NLP, the computational preparation and analysis of text data, to map the public voice and aid development. First, the report introduces essential concepts of communication and elaborates on the theoretical foundations of natural language analyses. Second, the report reviews research on NLP of social media text data by showcasing studies that have applied the techniques to the Sustainable Development Goals. Third, the report reviews specific NLP techniques, including data preprocessing, and dicusses libraries and programming procedures. It also reviews concepts such as keyword extraction to identify relevant terms, topic modeling to detect common themes, and text classification to recognize language features. These NLP techniques are showcased in two case studies. The first shows how topic modeling can be applied to derive insights on the public debate over climate change in Australia. The second demonstrates how text classification can be leveraged to analyze public sentiment on COVID-19 in the Philippines. Finally, the report discusses the challenges and limitations, as well as the potentials, of NLP.
The data innovations introduced in this special supplement can support policymakers and researchers in Asia and the Pacific to better comprehend the public perspective on specific issues within the burgeoning volume of social media text data. As public sentiment and perceptions determine policy success, governments can apply these techniques to listen to online communities more effectively and adjust program implementation and communication strategies accordingly.
The report is the end product of rigorous contributions from a variety of experts. The special supplement team was led by Daniel Boller, under the overall guidance of Kadra Saeed and Elaine S. Tan. Charibeth Cheng wrote the main report. Contributing authors of the case studies and the main report include Cedric Basuel, Stanley Lawrence Sie, and Alyssa Villanueva. Rhoda Abadia, Kelly Bird, Azel Gorne, Zhigang Li, Rosemarie Marquez, Ker Metanoia Oliva, Zelinna Pablo, Yasuyuki Sawada, Lei Lei Song, and James Villafuerte helped refine the results of the case studies and the main report. We also appreciate the support, direction, and feedback of the Asian Development Bank’s Pacific Department, the Philippines Country Office, and the Information Technology Department throughout the information-gathering process. Ma. Roselia Babalo, Joseph Albert Nino Bulan, Rose Anne Dumayas, and Melissa Pascua provided administrative and operational support and helped organize the workshops, launch events, and other related webinars and briefings necessary to deliver a quality publication. Princess Monique Abaya Po designed the cover of the supplement, and Joe Mark Ganaban provided layout, page design, and typesetting services. Paul Dent edited the report.
We hope this special supplement can equip governments, researchers, and development practitioners in Asia and the Pacific to take advantage of social media text data as a rich new source from which to derive insights on topics of concern in society and, ultimately, to accelerate inclusive and sustainable development.
Albert F. Park
Chief Economist and Director General
Economic Research and Regional Cooperation Department
Asian Development Bank
Abbreviations