Twitter-Based Influenza Detection After Flu Peak via Tweets With Indirect Information: Text Mining Study

Shoko Wakamiya   ^{1 *} , BE, MS, PhD ;   Yukiko Kawai   ^{2, 3} , BE, MS, PhD ;   Eiji Aramaki   ^{1 *} , BE, MS, PhD

¹ Nara Institute of Science and Technology, Ikoma, Japan

² Kyoto Sangyo University, Kyoto, Japan

³ Division of Health Science, Osaka University, Osaka, Japan

*these authors contributed equally