Rajabagan Dockyard
E638853
Rajabagan Dockyard is a historic shipbuilding and repair facility on the Hooghly River in Kolkata, India, now operated by Garden Reach Shipbuilders & Engineers.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Rajabagan Dockyard canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7045569 — 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: Rajabagan Dockyard Context triple: [Garden Reach Shipbuilders & Engineers, hasShipyard, Rajabagan Dockyard]
-
A.
Indoji Port
Indoji Port is a harbor facility located on Iki Island in Japan, serving as one of the island’s key maritime access points.
-
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.
Bhavnagar Port
Bhavnagar Port is a maritime port in the city of Bhavnagar, Gujarat, India, serving as a regional hub for coastal trade and shipping.
-
D.
Cochin Port
Cochin Port is a major Indian seaport on the Arabian Sea, serving as a key maritime trade and container hub for the state of Kerala.
-
E.
Aapravasi Ghat
Aapravasi Ghat is a historic immigration depot in Port Louis, Mauritius, recognized as a UNESCO World Heritage Site for its role as a major landing point for indentured laborers in the 19th and early 20th centuries.
- 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: Rajabagan Dockyard Target entity description: Rajabagan Dockyard is a historic shipbuilding and repair facility on the Hooghly River in Kolkata, India, now operated by Garden Reach Shipbuilders & Engineers.
-
A.
Haldia Dock Complex, Haldia
Haldia Dock Complex, Haldia is a major riverine port facility in West Bengal, India, serving as an important cargo-handling and industrial hub under the jurisdiction of Syama Prasad Mookerjee Port, Kolkata.
-
B.
Indoji Port
Indoji Port is a harbor facility located on Iki Island in Japan, serving as one of the island’s key maritime access points.
-
C.
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.
-
D.
Bhavnagar Port
Bhavnagar Port is a maritime port in the city of Bhavnagar, Gujarat, India, serving as a regional hub for coastal trade and shipping.
-
E.
Cochin Port
Cochin Port is a major Indian seaport on the Arabian Sea, serving as a key maritime trade and container hub for the state of Kerala.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
industrial facility
ⓘ
shipyard ⓘ |
| associatedWith |
Indian Navy
NERFINISHED
ⓘ
inland and coastal vessels ⓘ |
| country |
India
ⓘ
India ⓘ |
| function |
ship repair facility
ⓘ
shipbuilding facility ⓘ |
| hasAlternateName | RBD NERFINISHED ⓘ |
| hasFacilityType |
dry dock
ⓘ
fitting-out jetty ⓘ repair berth ⓘ |
| hasOperatorType | public sector shipyard operator ⓘ |
| headquartersLocation | Kolkata NERFINISHED ⓘ |
| heritageStatus | historic dockyard ⓘ |
| industry |
ship repair
ⓘ
shipbuilding ⓘ |
| locatedIn |
Calcutta
ⓘ
surface form:
Kolkata
|
| locatedInCity | Kolkata NERFINISHED ⓘ |
| locatedInDistrict | Kolkata district NERFINISHED ⓘ |
| locatedInState | West Bengal NERFINISHED ⓘ |
| locatedOnRiver | Hooghly River NERFINISHED ⓘ |
| nearbyCity | Howrah NERFINISHED ⓘ |
| operates | Rajabagan Dockyard NERFINISHED ⓘ |
| operator | Garden Reach Shipbuilders & Engineers NERFINISHED ⓘ |
| ownedBy | Garden Reach Shipbuilders & Engineers NERFINISHED ⓘ |
| parentOrganization | Garden Reach Shipbuilders & Engineers NERFINISHED ⓘ |
| partOf | Indian shipbuilding sector ⓘ |
| region | eastern India NERFINISHED ⓘ |
| riverBank | east bank of the Hooghly River ⓘ |
| waterway | Hooghly River shipping channel NERFINISHED ⓘ |
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: Rajabagan Dockyard Description of subject: Rajabagan Dockyard is a historic shipbuilding and repair facility on the Hooghly River in Kolkata, India, now operated by Garden Reach Shipbuilders & Engineers.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.