Triple
T503920
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | London and North Western Railway |
E10459
|
entity |
| Predicate | headquartersLocation |
P62
|
FINISHED |
| Object | Euston railway station |
E9460
|
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: Euston railway station | Statement: [London and North Western Railway, headquartersLocation, Euston railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Euston railway station Context triple: [London and North Western Railway, headquartersLocation, Euston railway station]
-
A.
London Euston
chosen
London Euston is a major central London railway terminus and key hub for intercity services on the West Coast Main Line.
-
B.
Euston Underground station
Euston Underground station is a major London Underground interchange serving the Euston mainline railway station on the Northern and Victoria lines.
-
C.
London Victoria railway station
London Victoria railway station is one of London's busiest central railway termini and transport hubs, serving both mainline and Underground services as a key gateway to the south of England and Gatwick Airport.
-
D.
West End station
West End station is a key Dallas Area Rapid Transit (DART) light rail stop serving the historic West End district in downtown Dallas, Texas.
-
E.
London St Pancras International
London St Pancras International is a major central London railway terminus and international high-speed rail hub, serving Eurostar services to continental Europe as well as domestic routes.
- 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_69a2e848adf881908e5e04f7af030093 |
completed | Feb. 28, 2026, 1:06 p.m. |
| NER | Named-entity recognition | batch_69a2f1357738819085eae6c10fa2fca9 |
completed | Feb. 28, 2026, 1:44 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a4b8a96a188190b7a6be463de3d736 |
completed | March 1, 2026, 10:07 p.m. |
Created at: Feb. 28, 2026, 1:12 p.m.