Triple
T9510450
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amersham |
E229376
|
entity |
| Predicate | locatedOn |
P40
|
FINISHED |
| Object | Chiltern Railways line |
E200087
|
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 line | Statement: [Amersham, locatedOn, Chiltern Railways line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chiltern Railways line Context triple: [Amersham, locatedOn, Chiltern Railways line]
-
A.
Chiltern Main Line
chosen
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.
-
B.
Chiltern Railways
Chiltern Railways is a British train operating company providing passenger rail services primarily between London and the Midlands.
-
C.
Cotswold Line
The Cotswold Line is a railway route in England running through the scenic Cotswolds region, linking Oxford with Worcester and Hereford.
-
D.
Oxford–Bicester line
The Oxford–Bicester line is a railway route in Oxfordshire, England, connecting Oxford with the town of Bicester as part of the regional and commuter rail network.
-
E.
Wessex Main Line
The Wessex Main Line is a key railway route in southern England linking Bristol and Bath with Salisbury and Southampton, serving as an important regional passenger corridor.
- 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_69ca84777560819084cddd999badc1aa |
completed | March 30, 2026, 2:11 p.m. |
| NER | Named-entity recognition | batch_69cd9868616c8190856f89fecfa1a02e |
completed | April 1, 2026, 10:12 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d13a31600c8190a4a7ecb5231caa36 |
completed | April 4, 2026, 4:20 p.m. |
Created at: March 30, 2026, 7:58 p.m.