Chung-Chi ChenHen-Hsen HuangHsin-Hsi Chen2026-02-052026-02-052021978-3-319-69623-855https://doi.org/10.1007/978-981-16-2881-8https://link.springer.com/openurl?genre=book&isbn=978-981-16-2881-8http://bibliovirtual.umar.mx:4000/handle/123456789/1683Libro electrónicoOpinion mining is a prevalent research issue in many domains. In the financial domain, however, it is still in the early stages. Most of the researches on this topic only focus on the coarse-grained market sentiment analysis, i.e., 2-way classification for bullish/bearish. Thanks to the recent financial technology (FinTech) development, some interdisciplinary researchers start to involve in the in-depth analysis of investors' opinions. These works indicate the trend toward fine-grained opinion mining in the financial domain.en-USBook