Triple
T13334913
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Heathrow rail and Underground stations |
E317663
|
entity |
| Predicate | hasComponent |
P35
|
FINISHED |
| Object | Heathrow Terminal 4 Underground station |
E1049654
|
NE FINISHED |
How this triple was built (2 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 Underground station | Statement: [Heathrow rail and Underground stations, hasComponent, Heathrow Terminal 4 Underground station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Heathrow Terminal 4 Underground station Context triple: [Heathrow rail and Underground stations, hasComponent, Heathrow Terminal 4 Underground station]
-
A.
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.
-
B.
Heathrow Terminal 4 railway station
chosen
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.
-
C.
Hainault tube station
Hainault tube station is a London Underground station on the Central line serving the Hainault area in northeast London.
-
D.
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.
-
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.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69f794202df08190acf1a7710b64198c |
completed | May 3, 2026, 6:29 p.m. |
Created at: April 9, 2026, 9:30 p.m.