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Measuring policy debate in a regrowing city by sentiment analysis using online media data: A case study of Leipzig 2030

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  • Yiqiao Chen
  • Elisabete A. Silva
  • José P. Reis

Abstract

In a time of data science, online crowdsourced data and advanced data analytics would be a waste of resources and knowledge if these tools wouldn't assist urban planning. This paper uses sentiment analysis to understand policy debates' present in online media in a re‐urbanized city and discusses how these tools and new datasets can help planners and inform new waves of policy by including groups that tend to be underrepresented in traditional consultation meetings. Modern reurbanization is an emergent phenomenon that occurs in cities that experienced urban shrinkage in the past decades. Urban policies proposed to the “new” regrowing cities should meet challenges of old shrinking consequences and new regrowing demands. Nowadays, policy‐makers need to hear the voice from different age groups, some use new, non‐traditional media in policy debates. Online media data has the potential to provide quasi‐live feedbacks, to supply the traditional opinion surveys. We applied sentiment analysis in the selected case ‐ the Integrated Urban Development Concept (INSEK) Leipzig 2030 – to evaluate public opinion. While results show that public attention was low, the policy seems to be welcome, with the public showing more interests in regrowth topics than shrinkage issues. En la época de la ciencia de datos, los datos de colaboración abierta en línea y el análisis avanzado de datos pueden suponer un desperdicio de recursos y conocimientos si estas herramientas no ayudan a la planificación urbana. En este documento se utiliza el análisis de sentimiento para desentrañar los debates sobre políticas en los medios de comunicación en línea en una ciudad reurbanizada y analiza cómo estas herramientas y nuevos conjuntos de datos pueden ayudar en la planificación e informar sobre nuevas políticas mediante la inclusión de grupos que tienden a estar poco representados en las consultas tradicionales. La reurbanización moderna es un fenómeno emergente de las ciudades que han experimentado una contracción urbana en los últimos decenios. Las políticas urbanas propuestas para las “nuevas” ciudades en crecimiento deberían abordar los desafíos de las antiguas consecuencias de la contracción y las nuevas demandas de expansión. Hoy en día, quienes formulan políticas necesitan escuchar la voz de grupos de diferentes edades, de los cuales algunos usan nuevos medios de comunicación no tradicionales en los debates políticos. Los datos de los medios de comunicación en línea tienen el potencial de proporcionar retroalimentación casi en vivo para las encuestas de opinión tradicionales. Con el fin de evaluar la opinión pública, se aplicó un análisis de sentimiento al caso seleccionado, el Concepto de Desarrollo Urbano Integrado para Leipzig 2030. Si bien los resultados muestran que la atención del público fue escasa, la política parece ser bienvenida por un público que muestra más interés en los temas de expansión que en los problemas de la contracción. データサイエンスの時代にこそ、オンラインのクラウドソーシングデータや高度なデータアナリティクスを都市計画のツールとして役立てなければ、資源や知識を無駄にすることなるだろう。本稿では、感情分析を用いて再都市化された都市のオンラインメディアにおける政策論争の現状を解明し、これらのツールと新しいデータセットが、従来の協議会で過小評価されがちであったグループを含めることによって、どのように立案者を助け、政策の新しい波を知らせることができるかを論じた。近代的な再都市化とは、過去数十年間において縮小を経験した都市で発生する新しい現象である。「新たな」再成長都市に提案される都市政策は、かつての縮小がもたらした結果と新たな再成長による需要という課題に対応するものであるべきである。今日、政策立案者は様々な年齢層の意見を聞く必要があり、政策の議論において新しい非伝統的なメディアを使用する政策立案者もある。オンラインメディアデータは、従来の世論調査を実施するための、準即時的フィードバックを提供するポテンシャルを持っている。統合的都市発展基本構想 (the Integrated Urban Development Concept:INSEK)ライプツィヒ 2030の事例に感情分析を適用し世論を評価した。その結果から、大衆の関心が低かったことが示されたが、この政策は歓迎されているようであり、大衆の関心は縮小の問題よりも再成長の問題に向いていることが示された。

Suggested Citation

  • Yiqiao Chen & Elisabete A. Silva & José P. Reis, 2021. "Measuring policy debate in a regrowing city by sentiment analysis using online media data: A case study of Leipzig 2030," Regional Science Policy & Practice, Wiley Blackwell, vol. 13(3), pages 675-692, June.
  • Handle: RePEc:bla:rgscpp:v:13:y:2021:i:3:p:675-692
    DOI: 10.1111/rsp3.12292
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    References listed on IDEAS

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