Triple

T10617184
Position Surface form Disambiguated ID Type / Status
Subject Waterfront Station E276150 entity
Predicate partOfPublicTransportSystem P8428 FINISHED
Object Metro Vancouver public transit network
The Metro Vancouver public transit network is an integrated regional system of buses, rapid transit (SkyTrain), SeaBus ferries, and commuter rail that serves the Greater Vancouver area in British Columbia, Canada.
E876098 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: Metro Vancouver public transit network | Statement: [Waterfront Station, partOfPublicTransportSystem, Metro Vancouver public transit network]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Metro Vancouver public transit network
Context triple: [Waterfront Station, partOfPublicTransportSystem, Metro Vancouver public transit network]
  • A. Regional District of Nanaimo Transit System
    The Regional District of Nanaimo Transit System is the public bus network serving communities throughout the Regional District of Nanaimo on Vancouver Island, British Columbia.
  • B. Toronto public transit network
    The Toronto public transit network is an integrated system of subways, streetcars, buses, and rapid transit services that provides urban and regional transportation across the city of Toronto and surrounding areas.
  • C. Greater Toronto and Hamilton Area transit network
    The Greater Toronto and Hamilton Area transit network is an integrated regional public transportation system in Southern Ontario that coordinates multiple municipal transit agencies and services across the broader Toronto–Hamilton metropolitan region.
  • D. OC Transpo
    OC Transpo is the public transit agency that operates bus and light rail services throughout Ottawa, Ontario.
  • E. SkyTrain Millennium Line
    The SkyTrain Millennium Line is a rapid transit line in Metro Vancouver, British Columbia, forming part of the region’s automated SkyTrain system and connecting several municipalities including Burnaby.
  • 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: Metro Vancouver public transit network
Triple: [Waterfront Station, partOfPublicTransportSystem, Metro Vancouver public transit network]
Generated description
The Metro Vancouver public transit network is an integrated regional system of buses, rapid transit (SkyTrain), SeaBus ferries, and commuter rail that serves the Greater Vancouver area in British Columbia, Canada.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Metro Vancouver public transit network
Target entity description: The Metro Vancouver public transit network is an integrated regional system of buses, rapid transit (SkyTrain), SeaBus ferries, and commuter rail that serves the Greater Vancouver area in British Columbia, Canada.
  • A. Regional District of Nanaimo Transit System
    The Regional District of Nanaimo Transit System is the public bus network serving communities throughout the Regional District of Nanaimo on Vancouver Island, British Columbia.
  • B. Toronto public transit network
    The Toronto public transit network is an integrated system of subways, streetcars, buses, and rapid transit services that provides urban and regional transportation across the city of Toronto and surrounding areas.
  • C. Greater Toronto and Hamilton Area transit network
    The Greater Toronto and Hamilton Area transit network is an integrated regional public transportation system in Southern Ontario that coordinates multiple municipal transit agencies and services across the broader Toronto–Hamilton metropolitan region.
  • D. OC Transpo
    OC Transpo is the public transit agency that operates bus and light rail services throughout Ottawa, Ontario.
  • E. SkyTrain Millennium Line
    The SkyTrain Millennium Line is a rapid transit line in Metro Vancouver, British Columbia, forming part of the region’s automated SkyTrain system and connecting several municipalities including Burnaby.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: partOfPublicTransportSystem
Context triple: [Waterfront Station, partOfPublicTransportSystem, Metro Vancouver public transit network]
  • A. partOfTransitSystem chosen
    Indicates that something is a component or segment within a larger transit or transportation system.
  • B. isPublicTransport
    Indicates that the entity functions as a mode or instance of transportation that is available for use by the general public, typically operating on fixed routes or schedules.
  • C. hasFormOfPublicTransit
    Indicates that one entity provides or is associated with a particular type or mode of public transportation for another entity or context.
  • D. isPublicTransportBackboneOf
    Indicates that one transport system serves as the primary structural and functional core of a region’s overall public transportation network.
  • E. situatedOnTransportRoute
    Indicates that one entity is located along, on, or directly adjacent to a specified transport route (such as a road, railway, or shipping lane).
  • F. None of above.

Provenance (6 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_69d6aaf948d88190806cc3a8c47a3fb2 completed April 8, 2026, 7:22 p.m.
NER Named-entity recognition batch_69d6df6e2df4819099a19b59d90d0dd1 completed April 8, 2026, 11:06 p.m.
NED1 Entity disambiguation (via context triple) batch_69d96b7bb7108190b0f1cbe4117abec0 completed April 10, 2026, 9:28 p.m.
NEDg Description generation batch_69d96dee84f48190bf5b0cb1115a8bba completed April 10, 2026, 9:38 p.m.
NED2 Entity disambiguation (via description) batch_69d9708824208190acf75933962d690f completed April 10, 2026, 9:50 p.m.
PD Predicate disambiguation batch_69d6dd7a223c8190854409d76368f3e8 completed April 8, 2026, 10:58 p.m.
Created at: April 8, 2026, 7:33 p.m.