Sealdah
E493551
Sealdah is one of the busiest and most important railway terminals in Kolkata, India, serving as a major hub for suburban and long-distance train services in eastern India.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Sealdah canonical | 12 |
| Sealdah railway station | 12 |
How this entity was disambiguated
This entity first appeared as the object of triple T5113596 — 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: Sealdah Context triple: [Bolpur Shantiniketan railway station, connectsTo, Sealdah]
-
A.
Netaji Subhas Chandra Bose International Airport
Netaji Subhas Chandra Bose International Airport is the primary international airport serving Kolkata and one of the major aviation hubs in eastern India.
-
B.
Guwahati International Airport
Guwahati International Airport is a major international airport in Assam, India, serving as the primary air gateway to the northeastern region of the country.
-
C.
Durgapur Airport
Durgapur Airport, also known as Kazi Nazrul Islam Airport, is a domestic airport serving the industrial city of Durgapur and surrounding regions in the Indian state of West Bengal.
-
D.
Diamond Harbour
Diamond Harbour is a town in eastern India situated along the Hooghly River, known as a gateway to the Bay of Bengal and a popular regional tourist and trading hub.
-
E.
Cooch Behar Airport
Cooch Behar Airport is a small domestic airport serving the town of Cooch Behar and surrounding areas in the Indian state 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: Sealdah Target entity description: Sealdah is one of the busiest and most important railway terminals in Kolkata, India, serving as a major hub for suburban and long-distance train services in eastern India.
-
A.
Netaji Subhas Chandra Bose International Airport
Netaji Subhas Chandra Bose International Airport is the primary international airport serving Kolkata and one of the major aviation hubs in eastern India.
-
B.
Guwahati International Airport
Guwahati International Airport is a major international airport in Assam, India, serving as the primary air gateway to the northeastern region of the country.
-
C.
Durgapur Airport
Durgapur Airport, also known as Kazi Nazrul Islam Airport, is a domestic airport serving the industrial city of Durgapur and surrounding regions in the Indian state of West Bengal.
-
D.
Diamond Harbour
Diamond Harbour is a town in eastern India situated along the Hooghly River, known as a gateway to the Bay of Bengal and a popular regional tourist and trading hub.
-
E.
Cooch Behar Airport
Cooch Behar Airport is a small domestic airport serving the town of Cooch Behar and surrounding areas in the Indian state of West Bengal.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
railway station
ⓘ
railway terminal ⓘ |
| connectsTo |
Bangaon line
ⓘ
linked to:
Sealdah–Bangaon railway line
Canning line ⓘ Diamond Harbour line ⓘ Hasnabad line ⓘ Howrah ⓘ Lalgola line ⓘ Namkhana line ⓘ North 24 Parganas district ⓘ South 24 Parganas district ⓘ various towns in West Bengal ⓘ |
| country | India ⓘ |
| electrification | 25 kV AC overhead ⓘ |
| hasFacility |
booking offices
ⓘ
food stalls ⓘ foot overbridges ⓘ subways ⓘ waiting rooms ⓘ |
| hasFunction |
long-distance rail hub
ⓘ
suburban rail hub ⓘ |
| hasNearby | Sealdah metro station ⓘ |
| hasPlatformType | multiple island platforms ⓘ |
| hasSection |
Sealdah Main section
ⓘ
linked to:
Sealdah suburban corridor
Sealdah North section ⓘ
linked to:
Sealdah suburban corridor
Sealdah South section ⓘ
linked to:
Sealdah suburban corridor
|
| hasStationCode | SDAH ⓘ |
| hasTransportLink |
Kolkata Metro
ⓘ
Kolkata city buses ⓘ auto-rickshaws ⓘ taxis ⓘ |
| isOneOf |
busiest railway stations in India
ⓘ
major railway terminals in Kolkata ⓘ |
| locatedIn |
Kolkata
ⓘ
linked to:
Calcutta
West Bengal ⓘ eastern India ⓘ |
| operator | Eastern Railway zone ⓘ |
| ownedBy | Indian Railways ⓘ |
| partOf | Kolkata Suburban Railway network ⓘ |
| railwayDivision | Sealdah railway division ⓘ |
| regionServed |
West Bengal
ⓘ
eastern India ⓘ |
| serves |
Kolkata metropolitan area
ⓘ
linked to:
Kolkata Metropolitan Area
|
| servesTrafficType |
commuter traffic
ⓘ
intercity traffic ⓘ long-distance passenger traffic ⓘ |
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: Sealdah Description of subject: Sealdah is one of the busiest and most important railway terminals in Kolkata, India, serving as a major hub for suburban and long-distance train services in eastern India.
Referenced by (24)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Sealdah
linked to: Sealdah
linked to: Sealdah
linked to: Sealdah
linked to: Sealdah
subject linked to:
BHP
subject linked to:
Kolkata, West Bengal, India
linked to: Sealdah
linked to: Sealdah
subject linked to:
ER
linked to: Sealdah
linked to: Sealdah
linked to: Sealdah
linked to: Sealdah
linked to: Sealdah