Chen C.-CHuang H.-HHSIN-HSI CHEN2021-09-022021-09-02202121915768https://www.scopus.com/inward/record.uri?eid=2-s2.0-85106442378&doi=10.1007%2f978-981-16-2881-8_4&partnerID=40&md5=18f4e36c4a5727e1fe6e7413c3bda33fhttps://scholars.lib.ntu.edu.tw/handle/123456789/581348In Chap. 2, we discuss what we need to extract and understand when analyzing financial opinions. In Chap. 3, we discuss where to find financial opinions. This chapter concerns how to extract and understand the financial opinions in these sources. ? 2021, The Author(s).Computer science; Computers; Financebook part10.1007/978-981-16-2881-8_42-s2.0-85106442378