Table 3.
Top 20 keywords for each language corpus, identified by χ2 feature selection method.
| Korean | Japanese | Thai | Indonesian | English | |
|---|---|---|---|---|---|
| 1 | Korea | Japan | Thai | Indonesia | Korea |
| 2 | Outbreak | Rakutenichibab | Postpone | Korea | Outbreak |
| 3 | Case | Mutual | Marriage | Beware | Case |
| 4 | Patient | Maintain | Scarier | Pilgrim | Reuter |
| 5 | Hospital | Rainy | Easier | Attack | News |
| 6 | Park Wonsoona | Korea | Withstand | Aware | Report |
| 7 | Government | Mold | Spring-news | Victim | Death |
| 8 | News | Bulletin | Develop | Expel | South Korea |
| 9 | Korean | Yahoo | Pound | Alert | Rise |
| 10 | Thailand | Infect | Strain | News | Patient |
| 11 | Travel | Person | Picture | Anticipate | Government |
| 12 | Reuters | Affair | Anthem | Complex | Contain |
| 13 | President | Travel | Embassy | Consulate | BTSe |
| 14 | Death | NHKc | Heavily | Hospital | Infection |
| 15 | Thai | Season | Language | K-pop | People |
| 16 | Virus | Labor | Tissue | Umrah | Park |
| 17 | Report | Acid | Kidney | Toddler | Virus |
| 18 | Middle East | Perish | EXOd | Case | Aid |
| 19 | Postpone | Anti-Korean | Fan | Health | Hospital |
| 20 | Center | News | Cough | Journey | Fifth |
a
Park Wonsoon: The mayor of Seoul as of June 2015.
b
Rakutenichiba: a Japanese online shopping site.
c
NHK: Nippon Hoso Kyokai (Japan Broadcasting Corporation), the national public broadcasting organization.
d
EXO: a Korean pop band.
e
BTS: a Korean pop band.