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.