Linfeng Song Chunlei Xin Shaopeng Lai Ante Wang Jinsong Su Kun Xu 0005 CASA: Conversational Aspect Sentiment Analysis for Dialogue Understanding. 511-533 2022 73 J. Artif. Intell. Res. https://doi.org/10.1613/jair.1.12802 db/journals/jair/jair73.html#SongXLWSX22