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.