Table 3.
Top 10 features for random forests. Dark grey boxes contain concepts (CUIs), and light grey boxes represent semantic types (STYs). The white boxes represent un-stemmed words as they appear in the message.
| Key: | Word | Concept | Semantic Type | |
|---|---|---|---|---|
| Importance Rank |
Informational | Logistical | Social | Medical |
| # 1 | question | phone | thank | Temporal_Concept |
| # 2 | Finding | Telephone | thanks | Idea_or_Concept |
| # 3 | Qualitative_Concept | Conceptual_Entity | name | Name |
| # 4 | name | insurance | Intellectual_Product | Quantitative_Concept |
| # 5 | Pharmacologic_Substance | Insurances | much | Intellectual_Product |
| # 6 | Statistical_mean | please | Idea_or_Concept | Qualitative_Concept |
| # 7 | red | call | dr | Organic_Chemical__Pharmacologic_Substance |
| # 8 | Functional_Concept | fax | Temporal_Concept | appointment |
| # 9 | normal | address | you | Finding |
| # 10 | dr | Manufactured_Object | help | dr |