Bokaro coalfield
E170729
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.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Bokaro coalfield canonical | 1 |
| East Bokaro Coalfield | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1456688 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Bokaro coalfield Context triple: [Eastern India, hasImportantCoalfield, Bokaro coalfield]
-
A.
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.
-
B.
Raniganj coalfield
Raniganj coalfield is one of India’s oldest and most significant coal mining regions, located primarily in West Bengal and Jharkhand.
-
C.
Bastar region
The Bastar region is a culturally rich and forested tribal area in the southern part of Chhattisgarh, India, known for its indigenous communities, traditional arts, and mineral resources.
-
D.
Singrauli
Singrauli is a major industrial and energy hub in central India, known for its extensive coal mining operations and large thermal power plants.
-
E.
Tamluk
Tamluk is a historic town in eastern India known as an ancient port city and administrative center in the Purba Medinipur district of West Bengal.
- 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: Bokaro coalfield Target entity description: 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.
-
A.
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.
-
B.
Raniganj coalfield
Raniganj coalfield is one of India’s oldest and most significant coal mining regions, located primarily in West Bengal and Jharkhand.
-
C.
Bastar region
The Bastar region is a culturally rich and forested tribal area in the southern part of Chhattisgarh, India, known for its indigenous communities, traditional arts, and mineral resources.
-
D.
Singrauli
Singrauli is a major industrial and energy hub in central India, known for its extensive coal mining operations and large thermal power plants.
-
E.
Tamluk
Tamluk is a historic town in eastern India known as an ancient port city and administrative center in the Purba Medinipur district of West Bengal.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
coal mining region
ⓘ
coalfield ⓘ |
| administeredBy | Central Coalfields Limited ⓘ |
| belongsTo | Indian coal sector ⓘ |
| coalType | coking coal ⓘ |
| contributesTo | India’s domestic coal supply ⓘ |
| country | India ⓘ |
| economicImportance |
important source of metallurgical coal
ⓘ
major coal-producing region of Jharkhand ⓘ |
| employmentRole | major source of local employment ⓘ |
| energyRole | contributes to India’s energy security ⓘ |
| environmentalConcern |
air pollution from coal mining activities
ⓘ
land degradation due to mining ⓘ |
| fuelFor |
steel production in India
ⓘ
thermal power plants ⓘ |
| geologicalBasin | Gondwana coalfields ⓘ |
| hasCityNearby | Bokaro Steel City ⓘ |
| hasCommodity | bituminous coal ⓘ |
| hasReserves | large coal reserves ⓘ |
| importance | strategic coal source for eastern India ⓘ |
| industrialLinkage | integrated steel plants in India ⓘ |
| knownFor |
coking coal production
ⓘ
high-quality coking coal ⓘ |
| linkedTo |
Bokaro Steel City
ⓘ
surface form:
Bokaro Steel Plant
|
| locatedIn |
Bokaro district
ⓘ
Damodar River ⓘ
surface form:
Damodar Valley
Jharkhand ⓘ eastern India ⓘ |
| miningMethod |
opencast mining
ⓘ
underground mining ⓘ |
| partOf |
Damodar Valley coalfields
ⓘ
Damodar Valley coalfields ⓘ
surface form:
Jharia–Bokaro coal belt
|
| previousState | Bihar ⓘ |
| quality | medium to high-grade coking coal ⓘ |
| region | Chota Nagpur Plateau ⓘ |
| regulatoryAuthority | Ministry of Coal, Government of India ⓘ |
| resourceType | coal ⓘ |
| riverBasin | Damodar River ⓘ |
| state | Jharkhand ⓘ |
| supportsIndustry |
power industry in India
ⓘ
steel industry in India ⓘ |
| transportInfrastructure |
served by railways
ⓘ
served by road network ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Bokaro coalfield Description of subject: 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.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Eastern India