Open Access
Table 1
Examples of human-based ground truth versus machine-based responses for Q1.
| Human-based ground truth | Machine-based responses | |
|---|---|---|
| Tier 1 | Germany, UK | The authors were based in the USA and China. |
| Tier 2 | China, USA, Denmark | China |
| Tier 3 | Germany, Canada | Germany |
| Tier 4 | UK, Switzerland | The authors were based in the UK (specifically, the University of Edinburgh) and Switzerland (specifically, ETH Zurich). |
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