Triple
T8137467
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | National Coal Board |
E190006
|
entity |
| Predicate | hasSubsidiary |
P254
|
FINISHED |
| Object |
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.
|
E714273
|
NE FINISHED |
How this triple was built (4 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: NCB (Coal Products) Ltd | Statement: [National Coal Board, hasSubsidiary, NCB (Coal Products) Ltd]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: NCB (Coal Products) Ltd Context triple: [National Coal Board, hasSubsidiary, NCB (Coal Products) Ltd]
-
A.
Northern Coalfields Limited
Northern Coalfields Limited is an Indian state-owned coal mining company and a major subsidiary of Coal India Limited, primarily operating large open-cast mines in the Singrauli coalfields.
-
B.
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.
-
C.
Eastern Coalfields Limited
Eastern Coalfields Limited is an Indian state-owned coal mining company and a subsidiary of Coal India Limited, primarily engaged in coal production in the eastern region of the country.
-
D.
Bharat Coking Coal Limited
Bharat Coking Coal Limited is an Indian government-owned coal mining company and a subsidiary of Coal India Limited, primarily engaged in producing coking coal from mines in the Jharia and Raniganj coalfields.
-
E.
Assam Oil Company
Assam Oil Company was a historic petroleum exploration and production company in India, known for pioneering oil operations in the Assam region during the early 20th century.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: NCB (Coal Products) Ltd Triple: [National Coal Board, hasSubsidiary, NCB (Coal Products) Ltd]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: NCB (Coal Products) Ltd Target entity description: 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.
-
A.
Northern Coalfields Limited
Northern Coalfields Limited is an Indian state-owned coal mining company and a major subsidiary of Coal India Limited, primarily operating large open-cast mines in the Singrauli coalfields.
-
B.
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.
-
C.
Eastern Coalfields Limited
Eastern Coalfields Limited is an Indian state-owned coal mining company and a subsidiary of Coal India Limited, primarily engaged in coal production in the eastern region of the country.
-
D.
Bharat Coking Coal Limited
Bharat Coking Coal Limited is an Indian government-owned coal mining company and a subsidiary of Coal India Limited, primarily engaged in producing coking coal from mines in the Jharia and Raniganj coalfields.
-
E.
Assam Oil Company
Assam Oil Company was a historic petroleum exploration and production company in India, known for pioneering oil operations in the Assam region during the early 20th century.
- F. None of above. chosen
Provenance (5 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_69ca82bd9900819099477cdc2eb4244f |
completed | March 30, 2026, 2:03 p.m. |
| NER | Named-entity recognition | batch_69cb4402b35c81909363ffa9ce952ca4 |
completed | March 31, 2026, 3:48 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cc949d9c7c81908efb4880f9250166 |
completed | April 1, 2026, 3:44 a.m. |
| NEDg | Description generation | batch_69cc9605b8248190a621ea934c58913d |
completed | April 1, 2026, 3:50 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69cc970cf55c8190abf432ac68d6bbc3 |
completed | April 1, 2026, 3:54 a.m. |
Created at: March 30, 2026, 5:35 p.m.