Triple

T20873361
Position Surface form Disambiguated ID Type / Status
Subject Rouge Valley E513949 entity
Predicate isPartOf P10 FINISHED
Object Greater Toronto natural heritage system — NE NERFINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Greater Toronto natural heritage system | Statement: [Rouge Valley, isPartOf, Greater Toronto natural heritage system]

Disambiguation candidates (2 decisions)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Greater Toronto natural heritage system
Context triple: [Rouge Valley, isPartOf, Greater Toronto natural heritage system]
  • A. Mississauga parklands
    Mississauga parklands are a network of green spaces and recreational areas in Mississauga, Ontario, known for their natural landscapes, trails, and waterways.
  • B. City of Toronto park system
    The City of Toronto park system is the municipal network of public parks, natural areas, and recreational spaces managed by the City of Toronto.
  • C. Kitchener natural heritage system
    The Kitchener natural heritage system is a network of interconnected natural areas, including waterways, woodlands, and wetlands, that supports biodiversity and ecological health within the City of Kitchener.
  • D. Bon Echo Provincial Park
    Bon Echo Provincial Park is a scenic protected area in southeastern Ontario, Canada, best known for its towering Mazinaw Rock cliffs, Indigenous pictographs, and popular canoeing and camping opportunities.
  • E. Humber River park system
    The Humber River park system is a connected network of parks, trails, and natural areas along Toronto’s Humber River that provides recreational space and protects the river’s ecological corridor.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Greater Toronto natural heritage system
Target entity description: The Greater Toronto natural heritage system is a network of interconnected green spaces, waterways, and wildlife habitats across the Greater Toronto Area that supports biodiversity, ecological health, and outdoor recreation.
  • A. Mississauga parklands
    Mississauga parklands are a network of green spaces and recreational areas in Mississauga, Ontario, known for their natural landscapes, trails, and waterways.
  • B. City of Toronto park system
    The City of Toronto park system is the municipal network of public parks, natural areas, and recreational spaces managed by the City of Toronto.
  • C. Kitchener natural heritage system
    The Kitchener natural heritage system is a network of interconnected natural areas, including waterways, woodlands, and wetlands, that supports biodiversity and ecological health within the City of Kitchener.
  • D. Bon Echo Provincial Park
    Bon Echo Provincial Park is a scenic protected area in southeastern Ontario, Canada, best known for its towering Mazinaw Rock cliffs, Indigenous pictographs, and popular canoeing and camping opportunities.
  • E. Humber River park system
    The Humber River park system is a connected network of parks, trails, and natural areas along Toronto’s Humber River that provides recreational space and protects the river’s ecological corridor.
  • F. None of above. chosen

Provenance (2 batches)

Stage Batch ID Job type Status
creating batch_69e0b4f675cc8190b4e745225b62eb66 elicitation completed
NER batch_69e6c46639308190a616193f3975d453 ner completed
Created at: April 16, 2026, 12:45 p.m.