Triple
T22236301
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Birmingham New Street – London Euston |
E549601
|
entity |
| Predicate | interchangeAtLondon |
P146848
|
FINISHED |
| Object | London Underground at Euston |
—
|
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: London Underground at Euston | Statement: [Birmingham New Street – London Euston, interchangeAtLondon, London Underground at Euston]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: London Underground at Euston Context triple: [Birmingham New Street – London Euston, interchangeAtLondon, London Underground at Euston]
-
A.
London Underground at Waterloo
London Underground at Waterloo is a major central London Tube station complex serving multiple Underground lines and providing key interchanges with mainline rail services at Waterloo.
-
B.
London Underground at Bank
London Underground at Bank is a major central London interchange station complex serving multiple Tube lines and providing extensive connections to the City of London’s financial district.
-
C.
Euston Underground station
chosen
Euston Underground station is a major London Underground interchange serving the Euston mainline railway station on the Northern and Victoria lines.
-
D.
London Underground at London Marylebone
London Underground at London Marylebone is the Bakerloo line station integrated with Marylebone mainline railway station, providing rapid transit connections within London.
-
E.
King’s Cross St Pancras Underground station
King’s Cross St Pancras Underground station is a major London Tube interchange serving multiple lines beneath the King’s Cross and St Pancras mainline railway terminals.
- 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: interchangeAtLondon Context triple: [Birmingham New Street – London Euston, interchangeAtLondon, London Underground at Euston]
-
A.
secondaryLondonTerminal
Indicates that a location serves as a secondary terminal in London associated with a primary London terminal for a given service or route.
-
B.
primaryLondonTerminal
Indicates that a given station serves as the main London terminal for a particular rail service or route.
-
C.
returnedToCityOfLondon
Indicates that an entity went back to, or came again to, the City of London after having been away.
-
D.
servesCentralLondon
Indicates that something provides service or access specifically to the Central London area.
-
E.
translatedToSeeOfLondon
Indicates that something has been translated into the work titled "The See of London."
- F. None of above. chosen
Provenance (4 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_69e11e4102b881909cf47d3768e25c19 |
completed | April 16, 2026, 5:37 p.m. |
| NER | Named-entity recognition | batch_69f12bf7b1d8819091087dcfdb2e967c |
completed | April 28, 2026, 9:51 p.m. |
| PD | Predicate disambiguation | batch_69e71b5177d881908f90abde14ada7dc |
completed | April 21, 2026, 6:38 a.m. |
| PDg | Predicate description generation | batch_69e7222e74248190a2d3671049f117f2 |
completed | April 21, 2026, 7:07 a.m. |
Created at: April 16, 2026, 8:38 p.m.