@inproceedings{taguchi-2021-bigdata,
  author = {Taguchi, Rei and Watanabe, Hikaru and Hirano, Masanori and Suzuki, Masahiro and Sakaji, Hiroki and Izumi, Kiyoshi and Hiramatsu, Kenji},
  booktitle = {2021 IEEE International Conference on Big Data (Big Data)},
  title = {Market Trend Analysis Using Polarity Index Generated from Analyst Reports},
  year = {2021},
  pages = {3486-3494},
  doi = {10.1109/BigData52589.2021.9671702}
}