Triple
T20316420
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Avanti West Coast |
E510390
|
entity |
| Predicate | operatesFromStation |
P42386
|
FINISHED |
| Object | London 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 Euston | Statement: [Avanti West Coast, operatesFromStation, London Euston]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: London Euston Context triple: [Avanti West Coast, operatesFromStation, London Euston]
-
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
Euston is a small rural village and civil parish in Suffolk, England, known for its historic Euston Hall and surrounding estate.
-
C.
Marylebone station
Marylebone station is a central London railway terminus and London Underground station serving Chiltern Railways services and the Bakerloo line.
-
D.
Southampton station
Southampton station is a Long Island Rail Road stop in Southampton, New York, serving passengers on the Montauk Branch between New York City and the East End of Long Island.
-
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.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: operatesFromStation Context triple: [Avanti West Coast, operatesFromStation, London Euston]
-
A.
operatedStation
chosen
Indicates that one entity managed, ran, or was responsible for the operation of a particular station.
-
B.
servesAsThroughStationFor
Indicates that a station functions as an intermediate (through) stop for a particular service, route, or journey rather than as its starting or ending point.
-
C.
operatorOfNearbyStation
Indicates that an entity operates or manages a station located in close geographic proximity to another referenced entity.
-
D.
operatedBetweenStations
Indicates that an operation, such as a service or route, took place connecting or running between two specified stations.
-
E.
accessibleFromStation
Indicates that a location or facility can be reached directly or conveniently starting from a given station.
- F. None of above.
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_69e0b4c7491c8190961113c4283b10b0 |
completed | April 16, 2026, 10:07 a.m. |
| NER | Named-entity recognition | batch_69e67787af188190bc32a3049c9c5b39 |
completed | April 20, 2026, 6:59 p.m. |
| PD | Predicate disambiguation | batch_69e55b21b09081909e46691b6f45a07f |
completed | April 19, 2026, 10:45 p.m. |
Created at: April 16, 2026, 11:19 a.m.