Triple
T20170942
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Northern Coalfields Limited |
E491955
|
entity |
| Predicate | operatesIn |
P82
|
FINISHED |
| Object | Singrauli coalfields |
—
|
NE NERFINISHED |
How this triple was built (3 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.
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 (2 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. |
Created at: April 11, 2026, 11:35 p.m.