Triple

T16158172
Position Surface form Disambiguated ID Type / Status
Subject McGill station (Montreal Metro) E392106 entity
Predicate line P1293 FINISHED
Object Green Line (Montreal Metro)
The Green Line of the Montreal Metro is one of the system’s primary rapid transit lines, running mostly east–west through central Montreal and serving major downtown destinations including McGill University.
E85450 NE FINISHED

How this triple was built (4 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: Green Line (Montreal Metro) | Statement: [McGill station (Montreal Metro), line, Green Line (Montreal Metro)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Green Line (Montreal Metro)
Context triple: [McGill station (Montreal Metro), line, Green Line (Montreal Metro)]
  • A. Montreal Metro
    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. 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.
  • C. Queens Quay streetcar line
    The Queens Quay streetcar line is a Toronto streetcar route that runs along the city’s central waterfront, serving key destinations and attractions on Queens Quay.
  • D. Broad Street Subway
    The Broad Street Subway is a major rapid transit line in Philadelphia that runs primarily along Broad Street, serving as a key north–south backbone of the city’s public transportation system.
  • E. Trillium Line
    The Trillium Line is a diesel light rail transit line in Ottawa, Ontario, forming part of the city’s O-Train network and connecting southern communities with the downtown area.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Green Line (Montreal Metro)
Triple: [McGill station (Montreal Metro), line, Green Line (Montreal Metro)]
Generated description
The Green Line of the Montreal Metro is one of the system’s primary rapid transit lines, running mostly east–west through central Montreal and serving major downtown destinations including McGill University.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Green Line (Montreal Metro)
Target entity description: The Green Line of the Montreal Metro is one of the system’s primary rapid transit lines, running mostly east–west through central Montreal and serving major downtown destinations including McGill University.
  • 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. 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.
  • C. Queens Quay streetcar line
    The Queens Quay streetcar line is a Toronto streetcar route that runs along the city’s central waterfront, serving key destinations and attractions on Queens Quay.
  • D. Broad Street Subway
    The Broad Street Subway is a major rapid transit line in Philadelphia that runs primarily along Broad Street, serving as a key north–south backbone of the city’s public transportation system.
  • E. Trillium Line
    The Trillium Line is a diesel light rail transit line in Ottawa, Ontario, forming part of the city’s O-Train network and connecting southern communities with the downtown area.
  • F. None of above.

Provenance (5 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_69d87f1c65e48190aa2b4c472e9bafc4 completed April 10, 2026, 4:39 a.m.
NER Named-entity recognition batch_69e21e5c9cd0819090e34ee163ffb118 completed April 17, 2026, 11:49 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0025f183d88190b269233ff6e65d75 completed May 10, 2026, 6:30 a.m.
NEDg Description generation batch_6a0026c9b5c481908f60d2ebfb3f71d7 completed May 10, 2026, 6:33 a.m.
NED2 Entity disambiguation (via description) batch_6a00273dd8fc8190b84b8a96442781ee completed May 10, 2026, 6:35 a.m.
Created at: April 10, 2026, 5:01 a.m.