operators.candidates.extractor.EntityDictSpanFeaturizer

class operators.candidates.extractor.EntityDictSpanFeaturizer(entity_dict_path, field, ignore_case=False, link_entities=True, col_suffix=None)

SpanFeaturizer that yields (and optionally links) spans in an entity-to-aliases dictionary

This is used for entity classification tasks. It additionally annotates each span with the linked entity, using the dictionary value. This operator is Optimized for keyword aliases.

Parameters

Parameters

Name	Type	Default	Info
entity_dict_path	str		A path (either local or to remote storage) that contains the entity linking definitions.
field	str		The field of the passing dataframe that entities will be extracted from.
ignore_cae			If true, ignore case when matching entities (defaults to false).
link_entities	bool	True	If true, link entities (defaults to true).
col_suffix	Optional[str]	None	An optional suffix for the column containing the extracted spans.