Triple
T20108984
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Park Royal |
E490275
|
entity |
| Predicate | transportServedBy |
P1298
|
FINISHED |
| Object | Park Royal Underground station |
—
|
NE NERFINISHED |
How this triple was built (3 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: Park Royal Underground station | Statement: [Park Royal, transportServedBy, Park Royal Underground station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Park Royal Underground station Context triple: [Park Royal, transportServedBy, Park Royal Underground station]
-
A.
Tower Hill Underground station
Tower Hill Underground station is a London Underground station in central London serving the Circle and District lines near the Tower of London and the River Thames.
-
B.
Regent's Park Underground station
Regent's Park Underground station is a London Underground station on the Bakerloo line, located near Regent's Park and serving attractions such as London Zoo.
-
C.
Barbican station
Barbican station is a London Underground station in the City of London serving the Circle, Hammersmith & City, and Metropolitan lines near the Barbican Centre.
-
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.
Perivale Underground station
Perivale Underground station is a London Underground station in the London Borough of Ealing on the Central line, serving the Perivale area in west London.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Park Royal Underground station Target entity description: Park Royal Underground station is a London Underground station on the Piccadilly line serving the Park Royal area in northwest London.
-
A.
Tower Hill Underground station
Tower Hill Underground station is a London Underground station in central London serving the Circle and District lines near the Tower of London and the River Thames.
-
B.
Regent's Park Underground station
Regent's Park Underground station is a London Underground station on the Bakerloo line, located near Regent's Park and serving attractions such as London Zoo.
-
C.
Barbican station
Barbican station is a London Underground station in the City of London serving the Circle, Hammersmith & City, and Metropolitan lines near the Barbican Centre.
-
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.
Perivale Underground station
Perivale Underground station is a London Underground station in the London Borough of Ealing on the Central line, serving the Perivale area in west London.
- F. None of above. chosen
Provenance (2 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_69da62636cc08190982cc71733a17b8d |
completed | April 11, 2026, 3:01 p.m. |
| NER | Named-entity recognition | batch_69e666df1b148190a28ead2f7cce7aab |
completed | April 20, 2026, 5:48 p.m. |
Created at: April 11, 2026, 11:28 p.m.