South Coast Railway zone
E448554
The South Coast Railway zone is a division of Indian Railways responsible for managing and operating rail services across parts of the southeastern coastal region of India.
All labels observed (1)
| Label | Occurrences |
|---|---|
| South Coast Railway zone canonical | 10 |
How this entity was disambiguated
This entity first appeared as the object of triple T4513381 — 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: South Coast Railway zone Context triple: [Tirupati railway station, operatedBy, South Coast Railway zone]
-
A.
South Western Railway zone
South Western Railway zone is a major railway administrative division of Indian Railways responsible for managing and operating train services and infrastructure primarily across the state of Karnataka and parts of neighboring regions.
-
B.
South Eastern Railway zone
The South Eastern Railway zone is one of the 19 railway zones of Indian Railways, headquartered in Garden Reach, Kolkata, and serving parts of West Bengal, Jharkhand, and Odisha.
-
C.
Southern Railway zone
The Southern Railway zone is one of the major zones of Indian Railways, overseeing extensive rail operations across southern India including key hubs like Tiruchirappalli.
-
D.
Western Railway zone
The Western Railway zone is one of the major zones of Indian Railways, overseeing rail operations across parts of western India including the states of Gujarat, Maharashtra, and Madhya Pradesh.
-
E.
Central Railway zone
Central Railway zone is one of the major zones of Indian Railways, headquartered in Mumbai, overseeing key rail operations across Maharashtra and neighboring regions.
- 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: South Coast Railway zone Target entity description: The South Coast Railway zone is a division of Indian Railways responsible for managing and operating rail services across parts of the southeastern coastal region of India.
-
A.
South Western Railway zone
South Western Railway zone is a major railway administrative division of Indian Railways responsible for managing and operating train services and infrastructure primarily across the state of Karnataka and parts of neighboring regions.
-
B.
South Eastern Railway zone
The South Eastern Railway zone is one of the 19 railway zones of Indian Railways, headquartered in Garden Reach, Kolkata, and serving parts of West Bengal, Jharkhand, and Odisha.
-
C.
Southern Railway zone
The Southern Railway zone is one of the major zones of Indian Railways, overseeing extensive rail operations across southern India including key hubs like Tiruchirappalli.
-
D.
Western Railway zone
The Western Railway zone is one of the major zones of Indian Railways, overseeing rail operations across parts of western India including the states of Gujarat, Maharashtra, and Madhya Pradesh.
-
E.
Central Railway zone
Central Railway zone is one of the major zones of Indian Railways, headquartered in Mumbai, overseeing key rail operations across Maharashtra and neighboring regions.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
administrative unit of Indian Railways
ⓘ
railway zone of India ⓘ |
| country | India ⓘ |
| currency | Indian rupee ⓘ |
| governmentAgencyType | zonal railway ⓘ |
| hasDivision |
Guntakal railway division
ⓘ
Guntur railway division ⓘ Vijayawada railway division ⓘ Waltair railway division ⓘ |
| headquartersLocation |
Visakhapatnam
ⓘ
linked to:
Vizagapatam
|
| headquartersState | Andhra Pradesh ⓘ |
| jurisdictionIncludes |
railway lines in coastal Andhra Pradesh
ⓘ
sections of Chennai–Mumbai route ⓘ sections of Howrah–Chennai main line ⓘ |
| languageOfWorkOrName |
English
ⓘ
Hindi ⓘ Telugu ⓘ |
| locatedInTimeZone | Indian Standard Time ⓘ |
| maintenanceResponsibility | track and rolling stock maintenance in its jurisdiction ⓘ |
| modeOfTransport | rail transport ⓘ |
| operator | Indian Railways ⓘ |
| parentOrganization |
Ministry of Railways
ⓘ
linked to:
Ministry of Railways (India)
|
| partOf | Indian Railways zonal system ⓘ |
| railInfrastructure |
maintenance depots in its jurisdiction
ⓘ
railway stations in its jurisdiction ⓘ railway tracks in its jurisdiction ⓘ |
| railwayGauge |
1,676 mm gauge
ⓘ
broad gauge ⓘ |
| railwayNetwork |
Indian Railways network
ⓘ
linked to:
Indian Railways
|
| regionServed |
Andhra Pradesh
ⓘ
parts of Karnataka ⓘ parts of Tamil Nadu ⓘ parts of Telangana ⓘ southeastern coastal region of India ⓘ |
| responsibleFor |
freight rail services in southeastern coastal India
ⓘ
management of railway operations in assigned jurisdiction ⓘ passenger rail services in southeastern coastal India ⓘ |
| safetyResponsibility | railway safety in its jurisdiction ⓘ |
| sector | public transport ⓘ |
| serviceType |
freight trains
ⓘ
long-distance passenger trains ⓘ suburban and regional trains ⓘ |
| subordinateTo |
Railway Board
ⓘ
linked to:
Ministry of Railways (India)
|
| ticketingSystem | Indian Railways ticketing system ⓘ |
| UTCOffset | +05:30 ⓘ |
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: South Coast Railway zone Description of subject: The South Coast Railway zone is a division of Indian Railways responsible for managing and operating rail services across parts of the southeastern coastal region of India.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.