Kolkata Port Trust
E222641
Kolkata Port Trust is the statutory authority that manages and operates the major riverine port facilities and related infrastructure in Kolkata, India.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Kolkata Port | 4 |
| Kolkata Port Trust canonical | 3 |
| Kolkata Dock System | 1 |
| Kolkata Dock System, Kolkata | 1 |
| Kolkata Port Trust headquarters | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1992731 — 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: Kolkata Port Trust Context triple: [Howrah Bridge, maintainedBy, Kolkata Port Trust]
-
A.
Mumbai Port Trust
Mumbai Port Trust is a major Indian port authority that manages and operates one of the country’s oldest and busiest natural harbors on the Arabian Sea.
-
B.
Mormugao Port
Mormugao Port is a major natural harbor and one of India’s leading iron ore exporting ports, located in the state of Goa on the Arabian Sea.
-
C.
Garden Reach Shipbuilders & Engineers
Garden Reach Shipbuilders & Engineers is an Indian state-owned shipbuilding company based in Kolkata, primarily known for constructing warships and other naval vessels for the Indian Navy and Coast Guard.
-
D.
Paradip Port
Paradip Port is a major deep-water seaport on the east coast of India that serves as a key hub for maritime trade and cargo handling in the Bay of Bengal region.
-
E.
Chennai Port Authority
Chennai Port Authority is the statutory body responsible for administering and managing the major seaport of Chennai on India’s southeastern coast.
- 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: Kolkata Port Trust Target entity description: Kolkata Port Trust is the statutory authority that manages and operates the major riverine port facilities and related infrastructure in Kolkata, India.
-
A.
Mumbai Port Trust
Mumbai Port Trust is a major Indian port authority that manages and operates one of the country’s oldest and busiest natural harbors on the Arabian Sea.
-
B.
Mormugao Port
Mormugao Port is a major natural harbor and one of India’s leading iron ore exporting ports, located in the state of Goa on the Arabian Sea.
-
C.
Garden Reach Shipbuilders & Engineers
Garden Reach Shipbuilders & Engineers is an Indian state-owned shipbuilding company based in Kolkata, primarily known for constructing warships and other naval vessels for the Indian Navy and Coast Guard.
-
D.
Paradip Port
Paradip Port is a major deep-water seaport on the east coast of India that serves as a key hub for maritime trade and cargo handling in the Bay of Bengal region.
-
E.
Chennai Port Authority
Chennai Port Authority is the statutory body responsible for administering and managing the major seaport of Chennai on India’s southeastern coast.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
port authority
ⓘ
statutory authority ⓘ |
| alsoKnownAs |
KoPT
ⓘ
Kolkata Port Trust ⓘ
surface form:
Kolkata Port
|
| country | India ⓘ |
| establishedBy | Act of the Indian legislature ⓘ |
| formerlyKnownAs | Commissioners for the Port of Calcutta ⓘ |
| governs | port tariffs and charges at Kolkata Port ⓘ |
| handles |
break-bulk cargo
ⓘ
bulk cargo ⓘ container cargo ⓘ liquid cargo ⓘ |
| hasHeadquartersIn |
Calcutta
ⓘ
surface form:
Kolkata
|
| hasOfficialWebsite | https://www.kolkataporttrust.gov.in/ ⓘ |
| industry |
maritime transport
ⓘ
port management ⓘ |
| jurisdiction |
Government of India
ⓘ
major port of Kolkata ⓘ |
| languageOfWork |
Bengali
ⓘ
English ⓘ |
| legalStatus | statutory body under Government of India ⓘ |
| locatedIn |
Calcutta
ⓘ
surface form:
Kolkata
West Bengal ⓘ |
| locatedOnWaterbody | Hooghly River ⓘ |
| manages |
Kolkata Port Trust
self-linksurface differs
ⓘ
surface form:
Kolkata Port
Syama Prasad Mookerjee Port, Kolkata ⓘ |
| operates |
Haldia Dock Complex, Haldia
ⓘ
surface form:
Haldia Dock Complex
Syama Prasad Mookerjee Port, Kolkata ⓘ
surface form:
Kolkata Dock System
dock systems in Kolkata ⓘ riverine port facilities ⓘ |
| oversees |
development projects at Kolkata Port
ⓘ
dredging operations in navigational channels ⓘ |
| parentOrganization |
Ministry of Ports, Shipping and Waterways
ⓘ
surface form:
Ministry of Ports, Shipping and Waterways, Government of India
|
| partOf | major ports network of India ⓘ |
| portType | riverine port ⓘ |
| regionServed |
eastern India
ⓘ
landlocked states of North India ⓘ |
| regulates | use of port land and waterfront at Kolkata Port ⓘ |
| renamedAs | Syama Prasad Mookerjee Port, Kolkata ⓘ |
| responsibleFor |
berthing facilities
ⓘ
cargo handling facilities ⓘ dockyard and repair facilities ⓘ navigation and conservancy of port limits ⓘ pilotage services ⓘ port infrastructure maintenance ⓘ port operations ⓘ |
| supervises | port safety and security at Kolkata Port ⓘ |
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: Kolkata Port Trust Description of subject: Kolkata Port Trust is the statutory authority that manages and operates the major riverine port facilities and related infrastructure in Kolkata, India.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Kolkata Dock System
this entity surface form:
Kolkata Dock System, Kolkata
this entity surface form:
Kolkata Port
this entity surface form:
Kolkata Port Trust headquarters
this entity surface form:
Kolkata Port
this entity surface form:
Kolkata Port
this entity surface form:
Kolkata Port