Triple

T21537581
Position Surface form Disambiguated ID Type / Status
Subject Préfontaine E531387 entity
Predicate publicTransportSystem P1288 FINISHED
Object Montreal Metro NE NERFINISHED

How this triple was built (2 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
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: Montreal Metro | Statement: [Préfontaine, publicTransportSystem, Montreal Metro]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Montreal Metro
Context triple: [Préfontaine, publicTransportSystem, Montreal Metro]
  • A. Montreal Metro chosen
    The Montreal Metro is the rubber-tired rapid transit system serving the city of Montreal and its surrounding areas, known for its extensive underground network and distinctively designed stations.
  • B. Montreal Metro Green Line
    The Montreal Metro Green Line is one of the main rapid transit lines in Montreal’s subway system, running east–west through the city’s core and serving many of its busiest downtown and central neighborhoods.
  • C. Réseau express métropolitain
    The Réseau express métropolitain (REM) is a fully automated, high-frequency light metro system serving the Greater Montreal area and designed to improve regional transit connectivity.
  • D. Toronto subway
    The Toronto subway is the primary rapid transit system in Toronto, Ontario, consisting of multiple underground and elevated lines that serve as the backbone of the city’s public transportation network.
  • E. Réseau de transport métropolitain
    Réseau de transport métropolitain is the public agency responsible for operating and planning commuter rail and regional transit services in the Greater Montreal area of Quebec, Canada.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69e0c45e5b8881908ac18fc2f493b114 completed April 16, 2026, 11:13 a.m.
NER Named-entity recognition batch_69ee9d0fdf448190b47ac7c28904f86b completed April 26, 2026, 11:17 p.m.
Created at: April 16, 2026, 6:27 p.m.