Table 1 Description and examples of entities in text, ontology and template slot-filling
Context | Description | Examples |
|---|---|---|
Single (or atomic) entities | ||
Annotation in text | Spans of text that refer to atomic entities | The text span “bimatropost” is annotated as Bimatropost. The text span “0.03” is annotated as DoseValue. |
Ontology schema | Range of a dataProperty that is a literal value or - Range of an objectProperty that is an individual (atomic instance) of a given class | “0.03” is a literal representing a dose value and the range in the triple <Medication, hasDoseValue, DoseValue >. Bimatropost is an individual of class Drug and the range in the triple <Medication, hasDrug, Drug > |
Template slot-filling | Slot-filler of the type specified by the corresponding ontology properties | Bimatropost (“bimatropost”) is the hasDrug slot-filler of a Medication template. |
Complex (or composed) entities | ||
Annotation in text | NA (A complex entity is a composed entity and therefore it does not exist in the text. In the text there may be the entities that are elements of a complex entity.) | NA |
Ontology schema | A complex class in the C-TrO ontology, and which is the domain of the corresponding dataProperties and objectProperties. | The Medication class, which is the domain in the triple <Medication, hasDrug, Drug > |
Template slot-filling | Template of the type of the corresponding ontology class. The template’s slots correspond to the dataProperties and objectProperties of the class. | The Medication template, which has the hasDrug slot whose slot-filler must be an entity of Drug type. |