Table 3. Examples of keywords by using combined query functions in Twitter Search APIs.
| The Rule of Deciding the Format of Keywords (Row), City Name (Column) | City Name and State Name or Country Name | City Name and State Name or Country Name |
|---|---|---|
| City Name and State Code or Country Code | City Name and State Code or Country Code | |
| 1. Richmond | Richmond Texas | Richmond Virginia |
| Richmond TX | Richmond VA | |
| 2. Gainesville | Gainesville Florida | Gainesville Virginia |
| Gainesville FL | Gainesville VA | |
| 3. Charleston | Charleston Washington | Charleston South Carolina |
| Charleston WA | Charleston SC | |
| 4. Memphis | Memphis Tennessee | Memphis Kentucky |
| Memphis TN | Memphis KY | |
| 5. Athens | Athens Georgia | Athens Greece |
| Athens GA | Athens GR | |
| 6. Paris | Paris France | Paris Texas |
| Paris FR | Paris TX | |
| 7. Los Angeles | Los Angeles California | Not applicable |
| Los Angeles CA | Not applicable | |
| 8. Tokyo | Tokyo Japan | Not applicable |
| Tokyo JP | Not applicable |
#1–#6 are the examples of keywords for different cities with the same name. #7 and #8 are the examples of keywords for cities that have unique names. City names without country names or state names are not chosen because identical city names cause confusion in geocoding them.