Triple

T8879212
Position Surface form Disambiguated ID Type / Status
Subject Korba E211365 entity
Predicate coalfield P45552 FINISHED
Object Korba Coalfield
Korba Coalfield is a major coal mining region in Chhattisgarh, India, known for its extensive open-cast mines and significant contribution to the country’s thermal power generation.
 E764778 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: Korba Coalfield | Statement: [Korba, coalfield, Korba Coalfield]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Korba Coalfield
Context triple: [Korba, coalfield, Korba Coalfield]
  • A. 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.
  • B. 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.
  • C. 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.
  • D. Wardha Valley Coalfield
    Wardha Valley Coalfield is a major coal mining region in Maharashtra, India, known for its extensive reserves of non-coking coal that support regional power generation and industry.
  • E. Raniganj coalfield
    Raniganj coalfield is one of India’s oldest and most significant coal mining regions, located primarily in West Bengal and Jharkhand.
  • 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: Korba Coalfield
Triple: [Korba, coalfield, Korba Coalfield]
Generated description
Korba Coalfield is a major coal mining region in Chhattisgarh, India, known for its extensive open-cast mines and significant contribution to the country’s thermal power generation.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Korba Coalfield
Target entity description: Korba Coalfield is a major coal mining region in Chhattisgarh, India, known for its extensive open-cast mines and significant contribution to the country’s thermal power generation.
  • A. 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.
  • B. 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.
  • C. 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.
  • D. Wardha Valley Coalfield
    Wardha Valley Coalfield is a major coal mining region in Maharashtra, India, known for its extensive reserves of non-coking coal that support regional power generation and industry.
  • E. Raniganj coalfield
    Raniganj coalfield is one of India’s oldest and most significant coal mining regions, located primarily in West Bengal and Jharkhand.
  • 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_69ca838e78748190934d82db3104f855 completed March 30, 2026, 2:07 p.m.
NER Named-entity recognition batch_69cc614ad1908190a77808fcf7f3e531 completed April 1, 2026, 12:05 a.m.
NED1 Entity disambiguation (via context triple) batch_69cfabb87c3481908cf11f2e246f42eb completed April 3, 2026, 11:59 a.m.
NEDg Description generation batch_69cfacc9b53081909bd3505cff0a7722 completed April 3, 2026, 12:04 p.m.
NED2 Entity disambiguation (via description) batch_69cfad6fff348190b0491ba38d2e6ce5 completed April 3, 2026, 12:07 p.m.
Created at: March 30, 2026, 6:52 p.m.