Triple

T20170942
Position Surface form Disambiguated ID Type / Status
Subject Northern Coalfields Limited E491955 entity
Predicate operatesIn P82 FINISHED
Object Singrauli coalfields
Singrauli coalfields are a major coal mining region in central India known for extensive open-cast mines that fuel nearby thermal power plants and industrial operations.
E1415372 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: Singrauli coalfields | Statement: [Northern Coalfields Limited, operatesIn, Singrauli coalfields]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Singrauli coalfields
Context triple: [Northern Coalfields Limited, operatesIn, Singrauli coalfields]
  • A. Godavari Valley coalfields
    Godavari Valley coalfields are a major coal-mining region in the Indian state of Telangana, known for extensive reserves that significantly contribute to the country's coal production.
  • B. Sohagpur coalfield
    Sohagpur coalfield is a major coal mining region in central India known for its significant reserves that support regional power generation and industry.
  • C. Damodar Valley coalfields
    The Damodar Valley coalfields are a major coal-bearing region in eastern India encompassing several important coalfields, including Jharia, that have long been central to the country’s coal mining industry.
  • D. Bokaro coalfield
    Bokaro coalfield is a major coal-producing region in Jharkhand, India, known for its extensive reserves of high-quality coking coal that support the country’s steel and power industries.
  • E. Jharia coalfield
    Jharia coalfield is one of India’s largest and oldest coal mining regions, renowned for its rich coking coal reserves and long-standing underground coal fires.
  • 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: Singrauli coalfields
Triple: [Northern Coalfields Limited, operatesIn, Singrauli coalfields]
Generated description
Singrauli coalfields are a major coal mining region in central India known for extensive open-cast mines that fuel nearby thermal power plants and industrial operations.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Singrauli coalfields
Target entity description: Singrauli coalfields are a major coal mining region in central India known for extensive open-cast mines that fuel nearby thermal power plants and industrial operations.
  • A. Godavari Valley coalfields
    Godavari Valley coalfields are a major coal-mining region in the Indian state of Telangana, known for extensive reserves that significantly contribute to the country's coal production.
  • B. Sohagpur coalfield
    Sohagpur coalfield is a major coal mining region in central India known for its significant reserves that support regional power generation and industry.
  • C. Damodar Valley coalfields
    The Damodar Valley coalfields are a major coal-bearing region in eastern India encompassing several important coalfields, including Jharia, that have long been central to the country’s coal mining industry.
  • D. Bokaro coalfield
    Bokaro coalfield is a major coal-producing region in Jharkhand, India, known for its extensive reserves of high-quality coking coal that support the country’s steel and power industries.
  • E. Jharia coalfield
    Jharia coalfield is one of India’s largest and oldest coal mining regions, renowned for its rich coking coal reserves and long-standing underground coal fires.
  • 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_69da6266c6888190bc1a3ecf24814d34 completed April 11, 2026, 3:01 p.m.
NER Named-entity recognition batch_69e66848ae3c8190aa5fde66da35a89a completed April 20, 2026, 5:54 p.m.
NED1 Entity disambiguation (via context triple) batch_6a083484eaa4819083462003ba5a78b0 completed May 16, 2026, 9:10 a.m.
NEDg Description generation batch_6a083851ccf081909de87d5070e969f9 completed May 16, 2026, 9:26 a.m.
NED2 Entity disambiguation (via description) batch_6a0838c3694c819097516c8de60864fb completed May 16, 2026, 9:28 a.m.
Created at: April 11, 2026, 11:35 p.m.