Table 1 Description of each entity type in the ontology used for annotating PolymerAbstracts.
Entity type | Description | Total occurrences |
|---|---|---|
POLYMER | Material entities that are polymers | 7364 |
ORGANIC_MATERIAL | Material entities that are organic but not polymers. Typically used as plasticizers or cross-linking agents | 914 |
MONOMER | Material entities which are explicitly indicated as being the repeat units for a POLYMER entity | 2074 |
POLYMER_CLASS | Material entities that don’t refer to a specific chemical substance but are broad terms used for a class of polymers | 1476 |
INORGANIC_MATERIAL | Material entities which are inorganic and are typically used as additives in a polymer formulation | 1272 |
MATERIAL_AMOUNT | Entity type indicating the amount of a particular material in a material formulation | 1143 |
PROPERTY_NAME | Entity type for a material property | 4535 |
PROPERTY_VALUE | Entity type including a numeric value and its unit corresponding to a material property | 5800 |
OTHER | Default entity type used for all tokens that do not lie in any of the above categories | 147,115 |
