Triple
T15942511
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ludlow railway station |
E386599
|
entity |
| Predicate | hasCategory |
P87
|
FINISHED |
| Object | Department for Transport category E station |
E550361
|
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: Department for Transport category E station | Statement: [Ludlow railway station, hasCategory, Department for Transport category E station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Department for Transport category E station Context triple: [Ludlow railway station, hasCategory, Department for Transport category E station]
-
A.
DfT category E station
chosen
A DfT category E station is a small, typically unstaffed local railway station in the UK with relatively low passenger usage and basic facilities.
-
B.
Trinity Mills Station
Trinity Mills Station is a public transit hub in Carrollton, Texas, serving as a stop on Dallas Area Rapid Transit's Green Line light rail and connecting bus services.
-
C.
City Thameslink station
City Thameslink station is a central London railway station on the Thameslink route, providing north–south cross-city services between Bedford, Brighton, and other destinations.
-
D.
Keele station
Keele station is a subway station in Toronto, Ontario, serving the Bloor–Danforth line of the Toronto Transit Commission (TTC).
-
E.
Transport for London rail facilities
Transport for London rail facilities are the network of depots, stations, tracks, and related infrastructure used to operate and maintain London’s public rail services, including the Underground and other TfL-operated lines.
- 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_69d86da750008190987eb26be3f6c118 |
completed | April 10, 2026, 3:25 a.m. |
| NER | Named-entity recognition | batch_69e156cefe948190af40eac92983edbc |
completed | April 16, 2026, 9:38 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ffb5bbc07c819098fd768e2e6b5b3e |
completed | May 9, 2026, 10:31 p.m. |
Created at: April 10, 2026, 4:53 a.m.