Triple
T13334910
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Heathrow rail and Underground stations |
E317663
|
entity |
| Predicate | hasComponent |
P35
|
FINISHED |
| Object |
Heathrow Terminal 4 railway station
Heathrow Terminal 4 railway station is a rail stop serving London Heathrow Airport’s Terminal 4, providing direct train connections between the terminal and central London as well as other parts of the rail network.
|
E1049654
|
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: Heathrow Terminal 4 railway station | Statement: [Heathrow rail and Underground stations, hasComponent, Heathrow Terminal 4 railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Heathrow Terminal 4 railway station Context triple: [Heathrow rail and Underground stations, hasComponent, Heathrow Terminal 4 railway station]
-
A.
Heathrow Terminal 4
Heathrow Terminal 4 is one of the passenger terminals at London Heathrow Airport, serving various international and domestic flights and connected to central London by rail and other transport links.
-
B.
Gatwick Airport railway station
Gatwick Airport railway station is a major rail hub in West Sussex, England, providing direct train services between London, southern England, and Gatwick Airport.
-
C.
Heathrow Central (Terminals 2 & 3)
Heathrow Central (Terminals 2 & 3) is a major rail station complex at London Heathrow Airport serving Terminals 2 and 3 with direct express and rail connections to central London.
-
D.
Heathrow Terminal 2
Heathrow Terminal 2 is a major passenger terminal at London Heathrow Airport, serving as a key hub for many Star Alliance airlines and international flights.
-
E.
Heathrow Terminal 3
Heathrow Terminal 3 is one of the main passenger terminals at London Heathrow Airport, primarily handling long-haul international flights and serving as a hub for several major global airlines.
- 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: Heathrow Terminal 4 railway station Triple: [Heathrow rail and Underground stations, hasComponent, Heathrow Terminal 4 railway station]
Generated description
Heathrow Terminal 4 railway station is a rail stop serving London Heathrow Airport’s Terminal 4, providing direct train connections between the terminal and central London as well as other parts of the rail network.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Heathrow Terminal 4 railway station Target entity description: Heathrow Terminal 4 railway station is a rail stop serving London Heathrow Airport’s Terminal 4, providing direct train connections between the terminal and central London as well as other parts of the rail network.
-
A.
Heathrow Terminal 4
Heathrow Terminal 4 is one of the passenger terminals at London Heathrow Airport, serving various international and domestic flights and connected to central London by rail and other transport links.
-
B.
Gatwick Airport railway station
Gatwick Airport railway station is a major rail hub in West Sussex, England, providing direct train services between London, southern England, and Gatwick Airport.
-
C.
Heathrow Central (Terminals 2 & 3)
Heathrow Central (Terminals 2 & 3) is a major rail station complex at London Heathrow Airport serving Terminals 2 and 3 with direct express and rail connections to central London.
-
D.
Heathrow Terminal 2
Heathrow Terminal 2 is a major passenger terminal at London Heathrow Airport, serving as a key hub for many Star Alliance airlines and international flights.
-
E.
Heathrow Terminal 3
Heathrow Terminal 3 is one of the main passenger terminals at London Heathrow Airport, primarily handling long-haul international flights and serving as a hub for several major global airlines.
- F. None of above. chosen
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_69d806b5a3c08190b42c267fb092f98a |
completed | April 9, 2026, 8:06 p.m. |
| NER | Named-entity recognition | batch_69d99cff44e08190b9583baf0b626e42 |
completed | April 11, 2026, 12:59 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f76b9c0c088190ba18b5c631bcc365 |
completed | May 3, 2026, 3:37 p.m. |
| NEDg | Description generation | batch_69f7763fc23c819098d46ab0906b8764 |
completed | May 3, 2026, 4:22 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69f779178dc48190bb0de790de30d8b0 |
completed | May 3, 2026, 4:34 p.m. |
Created at: April 9, 2026, 9:30 p.m.