Triple

T21892619
Position Surface form Disambiguated ID Type / Status
Subject Middle Head Trail E540590 entity
Predicate partOf P40 FINISHED
Object Parks Canada trail network — 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: Parks Canada trail network | Statement: [Middle Head Trail, partOf, Parks Canada trail network]

Disambiguation candidates (1 decision)

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: Parks Canada trail network
Context triple: [Middle Head Trail, partOf, Parks Canada trail network]
  • A. Canadian Rockies trail network
    The Canadian Rockies trail network is an extensive system of interconnected hiking and backpacking routes spanning the mountainous regions of western Canada, renowned for dramatic alpine scenery, glaciers, and turquoise lakes.
  • B. Ontario trail system
    The Ontario trail system is a province-wide network of interconnected recreational routes for walking, cycling, and other outdoor activities that links communities and natural areas across Ontario, Canada.
  • C. Trans Canada Trail
    The Trans Canada Trail, also known as The Great Trail, is one of the world’s longest networks of recreational multi-use trails, spanning thousands of kilometers across Canada and connecting communities from coast to coast to coast.
  • D. Parks Canada chosen
    Parks Canada is the federal agency responsible for protecting and managing Canada’s national parks, national historic sites, and national marine conservation areas.
  • E. Bruce Trail Conservancy
    Bruce Trail Conservancy is a Canadian charitable organization dedicated to preserving natural lands and maintaining the Bruce Trail hiking route along the Niagara Escarpment in Ontario.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 batches)

Stage Batch ID Job type Status
creating batch_69e0c47a95908190ae3e19b716accb3d elicitation completed
NER batch_69f11fc46dd481908a119cfbe26564a3 ner completed
Created at: April 16, 2026, 7:06 p.m.