Triple
T5075790
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Singrauli |
E114391
|
entity |
| Predicate | hasMajorCompany |
P588
|
FINISHED |
| Object |
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.
|
E491955
|
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: Northern Coalfields Limited | Statement: [Singrauli, hasMajorCompany, Northern Coalfields Limited]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Northern Coalfields Limited Context triple: [Singrauli, hasMajorCompany, Northern Coalfields Limited]
-
A.
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.
-
B.
British Steel Corporation
British Steel Corporation was the former state-owned steel producer in the United Kingdom, created in 1967 by nationalizing major steel companies before later being privatized.
-
C.
NHPC Limited
NHPC Limited is an Indian government-owned hydropower company that develops, operates, and maintains large hydroelectric projects across the country.
-
D.
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.
-
E.
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.
- 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: Northern Coalfields Limited Triple: [Singrauli, hasMajorCompany, Northern Coalfields Limited]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Northern Coalfields Limited Target entity description: 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.
-
A.
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.
-
B.
British Steel Corporation
British Steel Corporation was the former state-owned steel producer in the United Kingdom, created in 1967 by nationalizing major steel companies before later being privatized.
-
C.
NHPC Limited
NHPC Limited is an Indian government-owned hydropower company that develops, operates, and maintains large hydroelectric projects across the country.
-
D.
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.
-
E.
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.
- 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_69bd443dbf908190a9401e9c2dc7bd7d |
completed | March 20, 2026, 12:57 p.m. |
| NER | Named-entity recognition | batch_69bd74d2243481908c1ae62f7123c4e9 |
completed | March 20, 2026, 4:24 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69beb121fa388190ab3909d20f014b6f |
completed | March 21, 2026, 2:54 p.m. |
| NEDg | Description generation | batch_69beb202a8748190b677d7bcd2db66c8 |
completed | March 21, 2026, 2:58 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69beb28cf7b881909d40b70a7fff5033 |
completed | March 21, 2026, 3 p.m. |
Created at: March 20, 2026, 1:39 p.m.