Triple
T10411213
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tom Rolt |
E245393
|
entity |
| Predicate | namedAfter |
P63
|
FINISHED |
| Object | L. T. C. Rolt |
E245393
|
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: L. T. C. Rolt | Statement: [Tom Rolt, namedAfter, L. T. C. Rolt]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: L. T. C. Rolt Context triple: [Tom Rolt, namedAfter, L. T. C. Rolt]
-
A.
Tom Rolt
chosen
Tom Rolt is a steam locomotive on the preserved narrow-gauge Talyllyn Railway in Wales, named after railway preservation pioneer L.T.C. Rolt.
-
B.
L. T. C. Rolt Snodgrass
L. T. C. Rolt Snodgrass is a person notable primarily for bearing the distinctive surname Snodgrass, though little else is widely documented about them.
-
C.
W. O. Bentley
W. O. Bentley was a British engineer and entrepreneur best known for founding the luxury automobile manufacturer Bentley Motors and for his influential work in early high-performance car and aircraft engine design.
-
D.
Roderick Lanchester
Roderick Lanchester is an individual associated with the use or application of something named "Lanchester," likely in a professional or technical context.
-
E.
John Boulting
John Boulting was a British film director and producer, best known for the films he made with his twin brother Roy Boulting, including several notable mid-20th-century British dramas and satires.
- 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_69d381be340c8190b05998703d42d224 |
completed | April 6, 2026, 9:49 a.m. |
| NER | Named-entity recognition | batch_69d4e9fc72d081908d81c71133973daf |
completed | April 7, 2026, 11:26 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d7fbfae96c8190ac496e9a1158afe4 |
completed | April 9, 2026, 7:20 p.m. |
Created at: April 6, 2026, 12:09 p.m.