Triple

T7306568
Position Surface form Disambiguated ID Type / Status
Subject Jharia coalfield E167988 entity
Predicate operator P179 FINISHED
Object 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.
 E655835 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: Bharat Coking Coal Limited | Statement: [Jharia coalfield, operator, Bharat Coking Coal Limited]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Bharat Coking Coal Limited
Context triple: [Jharia coalfield, operator, Bharat Coking Coal Limited]
  • 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. NHPC Limited
    NHPC Limited is an Indian government-owned hydropower company that develops, operates, and maintains large hydroelectric projects across the country.
  • C. Mishra Dhatu Nigam Limited
    Mishra Dhatu Nigam Limited is an Indian public sector company specializing in the manufacture of superalloys, special steels, and titanium alloys primarily for strategic sectors such as defence, space, and nuclear energy.
  • D. ArcelorMittal Nippon Steel India
    ArcelorMittal Nippon Steel India is a major Indian steel manufacturer formed as a joint venture between global steel giants ArcelorMittal and Nippon Steel, operating integrated steel plants and serving domestic and international markets.
  • E. Hindalco Industries
    Hindalco Industries is a leading Indian metals company, primarily engaged in aluminium and copper production, and is part of the Aditya Birla Group conglomerate.
  • 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: Bharat Coking Coal Limited
Triple: [Jharia coalfield, operator, Bharat Coking Coal Limited]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Bharat Coking Coal Limited
Target entity description: 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.
  • 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. NHPC Limited
    NHPC Limited is an Indian government-owned hydropower company that develops, operates, and maintains large hydroelectric projects across the country.
  • C. Mishra Dhatu Nigam Limited
    Mishra Dhatu Nigam Limited is an Indian public sector company specializing in the manufacture of superalloys, special steels, and titanium alloys primarily for strategic sectors such as defence, space, and nuclear energy.
  • D. ArcelorMittal Nippon Steel India
    ArcelorMittal Nippon Steel India is a major Indian steel manufacturer formed as a joint venture between global steel giants ArcelorMittal and Nippon Steel, operating integrated steel plants and serving domestic and international markets.
  • E. Hindalco Industries
    Hindalco Industries is a leading Indian metals company, primarily engaged in aluminium and copper production, and is part of the Aditya Birla Group conglomerate.
  • 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_69c6888d8e3c81909db79714903baf31 completed March 27, 2026, 1:39 p.m.
NER Named-entity recognition batch_69c6ebd7dcf88190b3e66bea327fc63d completed March 27, 2026, 8:43 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7e56443b08190aee2c26633cdcbed completed March 28, 2026, 2:27 p.m.
NEDg Description generation batch_69c7e97659a08190a548beda4d7d6d9f completed March 28, 2026, 2:45 p.m.
NED2 Entity disambiguation (via description) batch_69c7ea1847008190aae44d6eb9f572d4 completed March 28, 2026, 2:47 p.m.
Created at: March 27, 2026, 3:01 p.m.