Triple
T12816584
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Harrow-on-the-Hill railway station |
E306417
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Chiltern Railways |
E125825
|
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: Chiltern Railways | Statement: [Harrow-on-the-Hill railway station, operator, Chiltern Railways]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chiltern Railways Context triple: [Harrow-on-the-Hill railway station, operator, Chiltern Railways]
-
A.
Chiltern Railways
chosen
Chiltern Railways is a British train operating company providing passenger rail services primarily between London and the Midlands.
-
B.
Buckinghamshire Railway
Buckinghamshire Railway was a 19th-century railway company in England that developed and operated lines across Buckinghamshire and surrounding counties before being absorbed into larger railway networks.
-
C.
Chiltern Main Line
The Chiltern Main Line is a major railway route in England connecting London Marylebone with the West Midlands via key towns such as High Wycombe, Banbury, and Leamington Spa.
-
D.
Chinnor and Princes Risborough Railway
Chinnor and Princes Risborough Railway is a preserved heritage railway in Oxfordshire and Buckinghamshire, England, operating historic trains along part of the former Watlington branch line between Chinnor and Princes Risborough.
-
E.
Cotswold Line
The Cotswold Line is a railway route in England running through the scenic Cotswolds region, linking Oxford with Worcester and Hereford.
- 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_69d7bdf46c448190b1faa55aaacb6317 |
completed | April 9, 2026, 2:55 p.m. |
| NER | Named-entity recognition | batch_69d96e9d00088190ac0f5d60e1de7a7c |
completed | April 10, 2026, 9:41 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f68ecee33c8190a6bf045731bb9326 |
completed | May 2, 2026, 11:54 p.m. |
Created at: April 9, 2026, 5:31 p.m.