Triple

T15980821
Position Surface form Disambiguated ID Type / Status
Subject STM metro E387565 entity
Predicate line P1293 FINISHED
Object Yellow Line
The Yellow Line is one of the color-coded routes of Montreal’s STM Metro system, providing rapid transit service between key stations on the network.
E416969 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: Yellow Line | Statement: [STM metro, line, Yellow Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Yellow Line
Context triple: [STM metro, line, Yellow Line]
  • A. Yellow Line
    The Yellow Line is one of the color-coded rapid transit routes in the Washington Metro system, running primarily in a north–south direction and serving key areas in Washington, D.C. and Northern Virginia.
  • B. Yellow Line
    The Yellow Line is Budapest’s historic Metro Line 1, one of the world’s oldest underground railway lines and a key route running beneath Andrássy Avenue.
  • C. Yellow Line
    The Yellow Line is a Bay Area Rapid Transit (BART) service route that runs between Antioch in the East Bay and San Francisco International Airport/Millbrae on the San Francisco Peninsula.
  • D. Yellow Line
    Yellow Line is one of the principal urban cable car routes in La Paz–El Alto’s Mi Teleférico system, providing high-altitude public transit and panoramic city views.
  • E. Yellow Line
    The Yellow Line is a regional SolanoExpress bus route providing public transit connections within Solano County and to neighboring areas.
  • 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: Yellow Line
Triple: [STM metro, line, Yellow Line]
Generated description
The Yellow Line is one of the color-coded routes of Montreal’s STM Metro system, providing rapid transit service between key stations on the network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Yellow Line
Target entity description: The Yellow Line is one of the color-coded routes of Montreal’s STM Metro system, providing rapid transit service between key stations on the network.
  • A. Yellow Line chosen
    The Yellow Line is a short but crucial Montreal Metro route that links the city’s downtown to the South Shore, including access to Île Sainte-Hélène and major event venues.
  • B. Yellow Line
    The Yellow Line is a designated route within the Baltimore Light Rail system that serves as one of its primary color-coded service lines.
  • C. Yellow Line
    The Yellow Line is one of the color-coded rapid transit routes in the Washington Metro system, running primarily in a north–south direction and serving key areas in Washington, D.C. and Northern Virginia.
  • D. Yellow Line
    Yellow Line is one of the major rapid transit corridors of the Delhi Metro network, connecting key areas across Delhi and its neighboring regions.
  • E. Yellow Line
    The Yellow Line is a monorail rapid transit route serving key eastern districts of Bangkok and its metropolitan 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_69d86da94ccc819083d187f5dc6a123e completed April 10, 2026, 3:25 a.m.
NER Named-entity recognition batch_69e15754e8648190a93b73184db089a7 completed April 16, 2026, 9:40 p.m.
NED1 Entity disambiguation (via context triple) batch_69fff794c8508190a444af7ce968c5da completed May 10, 2026, 3:12 a.m.
NEDg Description generation batch_69fff856900881908c2e3134f5615efc completed May 10, 2026, 3:15 a.m.
NED2 Entity disambiguation (via description) batch_69fff8aef4848190a2feab296cfdf0ca completed May 10, 2026, 3:17 a.m.
Created at: April 10, 2026, 4:54 a.m.