Table 2 Main entities (entity types)—Count (number of occurrence) in the three EC corpora; numbers in the parentheses are nested occurrence for Chia corpus
EliIE | Â | Covance | Â | Chia | Â |
|---|---|---|---|---|---|
Main entities | Count | Main entities | Count | Main entities | Count |
Condition | 4138 | Condition | 21,022 | Condition | 12,039 (127) |
Drug | 1465 | Drug | 13,671 | Drug | 3801 (24) |
Qualifier | 1715 | Qualifier_Modifier | 12,953 | Qualifier | 4157 (127) |
Measurement | 1029 | Measurement | 7732 | Measurement | 3305 (9) |
Procedure_Device | 652 | Procedure | 5635 | Procedure | 3595 (54) |
Observation | 1765 | Observation | 12,391 | Observation | 1216 (19) |
Temporal_measurement | 812 | Temporal_constraint | 11,326 | Temporal | 3580 (1066) |
Anatomic_location | 83 | Anatomic_location | 648 | Negation | 843 (0) |
| Â | Â | Negation_Cue | 1551 | Device | 386 (2) |
| Â | Â | Event | 4053 | Multiplier | 671 (8) |
| Â | Â | Permission_Cue | 2108 | Person | 1666 (2) |
| Â | Â | Demographics | 869 | Value | 4002 (60) |
| Â | Â | Device | 360 | Visit | 165 (1) |
| Â | Â | Refractory_condition | 662 | Mood | 616 (13) |
| Â | Â | Investigational_product | 559 | Reference_point | 934 (116) |