Triple
T18319659
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Heathrow Airport expansion projects |
E438836
|
entity |
| Predicate | mainAirportOperator |
P34771
|
FINISHED |
| Object | Heathrow Airport Holdings |
—
|
NE NERFINISHED |
Named-entity recognition
Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.
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: Heathrow Airport Holdings | Statement: [Heathrow Airport expansion projects, mainAirportOperator, Heathrow Airport Holdings]
Disambiguation candidates (2 decisions)
The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Heathrow Airport Holdings Context triple: [Heathrow Airport expansion projects, mainAirportOperator, Heathrow Airport Holdings]
-
A.
Heathrow Airport Holdings
chosen
Heathrow Airport Holdings is a British company that owns and operates Heathrow Airport and several other aviation-related assets in the United Kingdom.
-
B.
Capital Airport Group
Capital Airport Group is an Australian private airport investment and management company best known for owning and operating Canberra Airport.
-
C.
Manchester Airports Group
Manchester Airports Group is a leading UK-based airport operator that owns and manages several major airports, including Manchester, London Stansted, and East Midlands.
-
D.
Bristol Airport Limited
Bristol Airport Limited is the company responsible for managing and operating Bristol Airport in the United Kingdom.
-
E.
Southampton International Airport Limited
Southampton International Airport Limited is the company responsible for managing and operating Southampton Airport in the United Kingdom.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: mainAirportOperator Context triple: [Heathrow Airport expansion projects, mainAirportOperator, Heathrow Airport Holdings]
-
A.
servesAsPrimaryAirportOperatorForCity
Indicates that an entity functions as the main organization responsible for operating the primary airport serving a particular city.
-
B.
belongsToAirportOperator
chosen
Indicates that an airport or related facility is owned, managed, or operated by a specific airport operating organization.
-
C.
primaryAircraftOperator
Indicates that one entity is the main organization or individual responsible for operating a particular aircraft.
-
D.
aircraftOperator
Indicates that one entity operates, manages, or is responsible for the use of a particular aircraft.
-
E.
airlineOperator
Indicates that one entity operates or manages airline services for another entity or in a specified context.
- F. None of above.
Provenance (3 batches)
| Stage | Batch ID | Job type | Status |
|---|---|---|---|
| creating | batch_69d8b916a2d081909e249e4902f6aad9 |
elicitation | completed |
| NER | batch_69e50aa4d3308190883714e1ef6a1d84 |
ner | completed |
| PD | batch_69e44fe4ee10819086b4142444fca1f5 |
pd | completed |
Created at: April 10, 2026, 10:36 a.m.