Triple
T15208801
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Letchworth Garden City railway station |
E363458
|
entity |
| Predicate | railwayLine |
P848
|
FINISHED |
| Object | East Coast Main Line |
E40678
|
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: East Coast Main Line | Statement: [Letchworth Garden City railway station, railwayLine, East Coast Main Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: East Coast Main Line Context triple: [Letchworth Garden City railway station, railwayLine, East Coast Main Line]
-
A.
East Coast Main Line
chosen
The East Coast Main Line is a major high-speed railway route in the United Kingdom that runs between London and Edinburgh, serving numerous key cities and regions along the east side of the country.
-
B.
Great Eastern Main Line
The Great Eastern Main Line is a major railway route in England connecting London with key towns and cities in Essex, Suffolk, and Norfolk.
-
C.
East Coastway Line
The East Coastway Line is a major railway route in East Sussex, England, running along the south coast and connecting Brighton and Lewes with coastal towns such as Eastbourne and Hastings.
-
D.
Ou Main Line
The Ōu Main Line is a major Japanese railway route in the Tōhoku region that runs roughly north–south through Honshu, connecting key cities including Aomori.
-
E.
South Eastern Main Line
The South Eastern Main Line is a major railway route in southeast England connecting London with key towns in Kent and the surrounding region.
- 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_69d85a0b78bc8190b6e5ad51a2c4cfc5 |
completed | April 10, 2026, 2:01 a.m. |
| NER | Named-entity recognition | batch_69e006b8e2788190bd1831762e4181ae |
completed | April 15, 2026, 9:44 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fed33dbda08190a10ba81082d0d183 |
completed | May 9, 2026, 6:25 a.m. |
Created at: April 10, 2026, 3:11 a.m.