Triple
T13334912
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Heathrow rail and Underground stations |
E317663
|
entity |
| Predicate | hasComponent |
P35
|
FINISHED |
| Object |
Heathrow Terminals 2 & 3 Underground station
Heathrow Terminals 2 & 3 Underground station is a London Underground station on the Piccadilly line serving Terminals 2 and 3 of Heathrow Airport, providing direct rail access between the airport and central London.
|
E1052424
|
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 Terminals 2 & 3 Underground station | Statement: [Heathrow rail and Underground stations, hasComponent, Heathrow Terminals 2 & 3 Underground station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Heathrow Terminals 2 & 3 Underground station Context triple: [Heathrow rail and Underground stations, hasComponent, Heathrow Terminals 2 & 3 Underground station]
-
A.
Hainault tube station
Hainault tube station is a London Underground station on the Central line serving the Hainault area in northeast London.
-
B.
Colindale Underground station
Colindale Underground station is a London Underground station on the Northern line serving the Colindale area in the London Borough of Barnet.
-
C.
Northolt Underground station
Northolt Underground station is a London Underground station in the west of the city, serving the Central line and the suburban area of Northolt in the London Borough of Ealing.
-
D.
Uxbridge tube station
Uxbridge tube station is a London Underground station in west London serving as the terminus for both the Metropolitan and Piccadilly lines.
-
E.
Battersea Power Station Underground station
Battersea Power Station Underground station is a London Underground station on the Northern line extension serving the redeveloped Battersea Power Station area in south-west London.
- 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 Terminals 2 & 3 Underground station Triple: [Heathrow rail and Underground stations, hasComponent, Heathrow Terminals 2 & 3 Underground station]
Generated description
Heathrow Terminals 2 & 3 Underground station is a London Underground station on the Piccadilly line serving Terminals 2 and 3 of Heathrow Airport, providing direct rail access between the airport and central London.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Heathrow Terminals 2 & 3 Underground station Target entity description: Heathrow Terminals 2 & 3 Underground station is a London Underground station on the Piccadilly line serving Terminals 2 and 3 of Heathrow Airport, providing direct rail access between the airport and central London.
-
A.
Hainault tube station
Hainault tube station is a London Underground station on the Central line serving the Hainault area in northeast London.
-
B.
Colindale Underground station
Colindale Underground station is a London Underground station on the Northern line serving the Colindale area in the London Borough of Barnet.
-
C.
Northolt Underground station
Northolt Underground station is a London Underground station in the west of the city, serving the Central line and the suburban area of Northolt in the London Borough of Ealing.
-
D.
Uxbridge tube station
Uxbridge tube station is a London Underground station in west London serving as the terminus for both the Metropolitan and Piccadilly lines.
-
E.
Battersea Power Station Underground station
Battersea Power Station Underground station is a London Underground station on the Northern line extension serving the redeveloped Battersea Power Station area in south-west London.
- 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_69f78acfd0e88190954533a7f282d83a |
completed | May 3, 2026, 5:50 p.m. |
| NEDg | Description generation | batch_69f78bd316788190a245e8199f6ac87b |
completed | May 3, 2026, 5:54 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69f78c94da6c8190b9bc1d04cee19c3c |
completed | May 3, 2026, 5:57 p.m. |
Created at: April 9, 2026, 9:30 p.m.