Triple
T13246210
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ian MacGregor |
E315411
|
entity |
| Predicate | employer |
P7
|
FINISHED |
| Object | National Coal Board |
E190006
|
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: National Coal Board | Statement: [Ian MacGregor, employer, National Coal Board]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: National Coal Board Context triple: [Ian MacGregor, employer, National Coal Board]
-
A.
National Coal Board
chosen
The National Coal Board was a British public corporation that managed and operated the coal mining industry in the United Kingdom after its post-war nationalisation.
-
B.
British Coal Utilisation Research Association
The British Coal Utilisation Research Association was a UK research organization focused on the scientific study and improvement of coal use and its industrial applications.
-
C.
Central Coalfields Limited
Central Coalfields Limited is an Indian state-owned coal mining company and a subsidiary of Coal India Limited, responsible for coal production and operations in parts of Jharkhand.
-
D.
NCB (Coal Products) Ltd
NCB (Coal Products) Ltd was a commercial subsidiary of the UK’s National Coal Board responsible for marketing and distributing coal and related fuel products.
-
E.
South Eastern Coalfields Limited
South Eastern Coalfields Limited is one of India’s largest coal producing companies and a subsidiary of Coal India Limited, primarily operating in the coal-rich regions of Chhattisgarh and Madhya Pradesh.
- 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_69d806b1072881909e46bd212259c5f0 |
completed | April 9, 2026, 8:06 p.m. |
| NER | Named-entity recognition | batch_69d98d5c09f88190bb1566a6d8c073a6 |
completed | April 10, 2026, 11:53 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6ff3600388190a7f61370f54d5e63 |
completed | May 3, 2026, 7:54 a.m. |
Created at: April 9, 2026, 9:23 p.m.