Triple

T4385236
Position Surface form Disambiguated ID Type / Status
Subject UP Express E99224 entity
Predicate stationAtAirport P26761 FINISHED
Object Pearson Terminal 1 Station
Pearson Terminal 1 Station is the Union Pearson Express rail stop located at Toronto Pearson International Airport’s Terminal 1, providing direct train service between the airport and downtown Toronto.
E436535 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: Pearson Terminal 1 Station | Statement: [UP Express, stationAtAirport, Pearson Terminal 1 Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Pearson Terminal 1 Station
Context triple: [UP Express, stationAtAirport, Pearson Terminal 1 Station]
  • A. The Queen’s Terminal
    The Queen’s Terminal is the modern Terminal 2 building at London Heathrow Airport, serving as a major international hub for numerous airlines.
  • B. Flughafen station
    Flughafen station is the Nuremberg U-Bahn station that serves Nuremberg Airport as the terminus of line U2.
  • C. Airport Terminal A station
    Airport Terminal A station is a metro/rail transit stop serving Terminal A of an airport on the Airport Line, providing direct access between the terminal and the wider rail network.
  • D. Terminal 2 station
    Terminal 2 station is a metro stop on Beijing’s Capital Airport Express line serving Terminal 2 of Beijing Capital International Airport.
  • E. Royal Terminal
    Royal Terminal is an exclusive, high-security facility at King Khalid International Airport in Riyadh used for the arrival and departure of the Saudi royal family and distinguished state guests.
  • 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: Pearson Terminal 1 Station
Triple: [UP Express, stationAtAirport, Pearson Terminal 1 Station]
Generated description
Pearson Terminal 1 Station is the Union Pearson Express rail stop located at Toronto Pearson International Airport’s Terminal 1, providing direct train service between the airport and downtown Toronto.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Pearson Terminal 1 Station
Target entity description: Pearson Terminal 1 Station is the Union Pearson Express rail stop located at Toronto Pearson International Airport’s Terminal 1, providing direct train service between the airport and downtown Toronto.
  • A. The Queen’s Terminal
    The Queen’s Terminal is the modern Terminal 2 building at London Heathrow Airport, serving as a major international hub for numerous airlines.
  • B. Flughafen station
    Flughafen station is the Nuremberg U-Bahn station that serves Nuremberg Airport as the terminus of line U2.
  • C. Airport Terminal A station
    Airport Terminal A station is a metro/rail transit stop serving Terminal A of an airport on the Airport Line, providing direct access between the terminal and the wider rail network.
  • D. Terminal 2 station
    Terminal 2 station is a metro stop on Beijing’s Capital Airport Express line serving Terminal 2 of Beijing Capital International Airport.
  • E. Royal Terminal
    Royal Terminal is an exclusive, high-security facility at King Khalid International Airport in Riyadh used for the arrival and departure of the Saudi royal family and distinguished state guests.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: stationAtAirport
Context triple: [UP Express, stationAtAirport, Pearson Terminal 1 Station]
  • A. hasStationAtAirport chosen
    Indicates that an organization or service operates a station or facility located at a specific airport.
  • B. airportStation
    Indicates a location functions as an airport facility where air transport operations occur.
  • C. cityTerminalStatus
    Indicates the operational or functional status of a city’s terminal (such as an airport, bus, or train terminal) within a given context or system.
  • D. stationName
    Indicates the name assigned to a particular station in the relationship.
  • E. hasPassengerTerminal
    Indicates that one entity possesses or is equipped with a passenger terminal used for boarding, alighting, or handling passengers.
  • 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_69b3454f739481909ff6c28331f0c0b9 completed March 12, 2026, 10:59 p.m.
NER Named-entity recognition batch_69b35264e44c81908dd0e0a81f1353bb completed March 12, 2026, 11:55 p.m.
NED1 Entity disambiguation (via context triple) batch_69b5e526e35c8190838c59e402da3c89 completed March 14, 2026, 10:45 p.m.
NEDg Description generation batch_69b5eeaf35348190a1611f5b04baed1f completed March 14, 2026, 11:26 p.m.
NED2 Entity disambiguation (via description) batch_69b5ef5c7e0c819080b0e8914dcd6568 completed March 14, 2026, 11:29 p.m.
PD Predicate disambiguation batch_69b34f572efc8190bad1e5078cbcb75a completed March 12, 2026, 11:42 p.m.
Created at: March 12, 2026, 11:19 p.m.