Research Article
Evaluation and Verification of the Global Rapid Identification of Threats System for Infectious Diseases in Textual Data Sources
Table 1
The ontologies used in GRITS, their contents, and their descriptions.
| Ontology | Contents | Description |
| Biocaster ontology | General disease ontology | English terms for symptoms, diseases, and pathogens are used as features |
| GRITS ontology | Curated ontology of symptoms, control measures, descriptions of infected individuals, diseases, disease categories, environmental factors, hosts, host uses, modes of disease transmission, occupations, disease risks, vectors, and zoonotic types | Collection of keywords and terms gathered and vetted from a consensus of experts at EcoHealth Alliance |
| HealthMap disease labels | Diseases identified as significant by HealthMap and used for their disease labels | Used as outcome in logistic regression models |
| The disease ontology | Human disease related terms, phenotypic characteristics, and medical vocabulary disease concepts | Disease names and synonyms are used as keyword features. Predicates from disease definitions |
| USGS topographic feature vocabularies | Environmental factors | Subset used as features (all labels and synonyms of type owl#Thing) |
| Wordnet | English language ontology that maps word relatedness | Hyponyms and lemmata for a set of epidemiology-related root keywords are used as features |
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