Triple

T694653
Position Surface form Disambiguated ID Type / Status
Subject Société de transport de Montréal E13868 entity
Predicate hasMetroLine P17559 FINISHED
Object Green Line (Montreal Metro)
The Green Line of the Montreal Metro is one of the city’s primary rapid transit lines, running mostly east–west through central Montreal and serving many of its busiest downtown and residential areas.
E85450 NE FINISHED

How this triple was built (5 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: [Société de transport de Montréal, hasMetroLine, Green Line (Montreal Metro)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Green Line (Montreal Metro)
Context triple: [Société de transport de Montréal, hasMetroLine, 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. Waterloo & City line
    The Waterloo & City line is a short, deep-level London Underground railway line that provides a direct commuter link between Waterloo station and the City of London.
  • C. Spadina streetcar line
    The Spadina streetcar line is a major Toronto Transit Commission route running along Spadina Avenue, connecting key downtown destinations including the University of Toronto’s St. George campus.
  • D. Paris Métro Line 5
    Paris Métro Line 5 is a major north–south subway line in Paris that runs from Bobigny–Pablo Picasso to Place d’Italie, serving key stations such as Gare du Nord along the way.
  • E. 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.
  • 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: [Société de transport de Montréal, hasMetroLine, Green Line (Montreal Metro)]
Generated description
The Green Line of the Montreal Metro is one of the city’s primary rapid transit lines, running mostly east–west through central Montreal and serving many of its busiest downtown and residential areas.
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 city’s primary rapid transit lines, running mostly east–west through central Montreal and serving many of its busiest downtown and residential areas.
  • 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. Waterloo & City line
    The Waterloo & City line is a short, deep-level London Underground railway line that provides a direct commuter link between Waterloo station and the City of London.
  • C. Spadina streetcar line
    The Spadina streetcar line is a major Toronto Transit Commission route running along Spadina Avenue, connecting key downtown destinations including the University of Toronto’s St. George campus.
  • D. Paris Métro Line 5
    Paris Métro Line 5 is a major north–south subway line in Paris that runs from Bobigny–Pablo Picasso to Place d’Italie, serving key stations such as Gare du Nord along the way.
  • E. 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.
  • F. None of above.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hasMetroLine
Context triple: [Société de transport de Montréal, hasMetroLine, Green Line (Montreal Metro)]
  • A. hasShuttleLine
    Indicates that there is a shuttle service or route operating between the related entities.
  • B. hasLightRailSystem
    Indicates that a place possesses and operates a light rail transit system.
  • C. primaryManhattanLine
    Indicates that one line segment or path is the main or dominant axis, measured using Manhattan (grid-based) distance, relative to other possible lines.
  • D. metroLineInaugurated
    Indicates that a metro line was officially opened and began operation on a specific date or during a specific event.
  • E. hasMetropolitan
    Indicates that an entity is associated with, served by, or located within a specific metropolitan area.
  • F. None of above. chosen

Provenance (7 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_69a493406c408190957eeec9048a8fb6 completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a4a0c3f39c8190a3014df428817492 completed March 1, 2026, 8:25 p.m.
NED1 Entity disambiguation (via context triple) batch_69a65e376f748190af7088c53605c0cb completed March 3, 2026, 4:06 a.m.
NEDg Description generation batch_69a65ee094ec8190a9eccffa14bc7b9c completed March 3, 2026, 4:09 a.m.
NED2 Entity disambiguation (via description) batch_69a65f8b848c81908bd622b084813443 completed March 3, 2026, 4:11 a.m.
PD Predicate disambiguation batch_69a49d23e0a08190b08be9d1eff2a1bb completed March 1, 2026, 8:10 p.m.
PDg Predicate description generation batch_69a49df19c9481909cc9bc33ed7f011b completed March 1, 2026, 8:13 p.m.
Created at: March 1, 2026, 7:36 p.m.