Triple

T19054270
Position Surface form Disambiguated ID Type / Status
Subject Green Line (Montreal Metro) E466349 entity
Predicate usesRollingStock P5426 FINISHED
Object Montreal Metro rubber-tyred trains 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 rubber-tyred trains | Statement: [Green Line (Montreal Metro), usesRollingStock, Montreal Metro rubber-tyred trains]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Montreal Metro rubber-tyred trains
Context triple: [Green Line (Montreal Metro), usesRollingStock, Montreal Metro rubber-tyred trains]
  • 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. Alstom Metropolis
    Alstom Metropolis is a family of modern, high-capacity metro trains manufactured by Alstom and used in urban rapid transit systems worldwide.
  • 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. 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.
  • E. MP series Paris Métro trains
    The MP series Paris Métro trains are rubber-tyred electric multiple units used on various lines of the Paris Métro, known for their smooth ride and ability to handle steep gradients and tight curves.
  • 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_69d8dd040fb881909af2a964f65ad208 completed April 10, 2026, 11:20 a.m.
NER Named-entity recognition batch_69e5dc049f64819093ae9fda26a49bd2 completed April 20, 2026, 7:55 a.m.
Created at: April 10, 2026, 12:03 p.m.