Danube–Black Sea Canal
E396458
The Danube–Black Sea Canal is a major artificial waterway in Romania that connects the Danube River to the Black Sea, significantly shortening the maritime route and facilitating international trade and navigation.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Danube–Black Sea Canal canonical | 7 |
| Danube–Black Sea oil routes | 1 |
| Danube–Black Sea route | 1 |
| Danube–Black Sea transport corridor | 1 |
| Poarta Albă–Midia Năvodari Canal | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3869366 — 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: Danube–Black Sea Canal Context triple: [European inland shipping network, hasComponent, Danube–Black Sea Canal]
-
A.
Danube Canal
The Danube Canal is a regulated side arm of the Danube River running through central Vienna, serving as an important urban waterway and recreational area.
-
B.
Rhine–Main–Danube Canal
The Rhine–Main–Danube Canal is a major European waterway that links the North Sea to the Black Sea by connecting the Rhine, Main, and Danube river systems for continuous inland navigation.
-
C.
Danube–Tisa–Danube Canal
The Danube–Tisa–Danube Canal is a large network of artificial waterways in the Vojvodina region of Serbia, built primarily for irrigation, drainage, flood control, and navigation.
-
D.
Volga–Don Canal
The Volga–Don Canal is a major Soviet-era waterway in southern Russia that links the Volga and Don rivers, providing a crucial navigable connection between the Caspian Sea and the Sea of Azov/Black Sea.
-
E.
Volga–Baltic Waterway
The Volga–Baltic Waterway is a major Russian shipping route that links the Volga River basin with the Baltic Sea through a system of rivers, lakes, and canals.
- 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: Danube–Black Sea Canal Target entity description: The Danube–Black Sea Canal is a major artificial waterway in Romania that connects the Danube River to the Black Sea, significantly shortening the maritime route and facilitating international trade and navigation.
-
A.
Danube Canal
The Danube Canal is a regulated side arm of the Danube River running through central Vienna, serving as an important urban waterway and recreational area.
-
B.
Rhine–Main–Danube Canal
The Rhine–Main–Danube Canal is a major European waterway that links the North Sea to the Black Sea by connecting the Rhine, Main, and Danube river systems for continuous inland navigation.
-
C.
Danube–Tisa–Danube Canal
The Danube–Tisa–Danube Canal is a large network of artificial waterways in the Vojvodina region of Serbia, built primarily for irrigation, drainage, flood control, and navigation.
-
D.
Volga–Don Canal
The Volga–Don Canal is a major Soviet-era waterway in southern Russia that links the Volga and Don rivers, providing a crucial navigable connection between the Caspian Sea and the Sea of Azov/Black Sea.
-
E.
Volga–Baltic Waterway
The Volga–Baltic Waterway is a major Russian shipping route that links the Volga River basin with the Baltic Sea through a system of rivers, lakes, and canals.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
artificial waterway
ⓘ
canal ⓘ shipping canal ⓘ |
| basinCountry | Romania ⓘ |
| connects |
Black Sea
ⓘ
Danube River ⓘ
linked to:
Danube
|
| connectsPort |
Danube river ports in Romania
ⓘ
Port of Constanța ⓘ |
| constructionPeriod | late 20th century ⓘ |
| constructionStart | 1976 ⓘ |
| country | Romania ⓘ |
| hasBranch |
Poarta Albă–Midia Năvodari Canal
ⓘ
linked to:
Danube–Black Sea Canal
|
| hasEconomicImpactOn |
Danube region logistics
ⓘ
Romanian maritime trade ⓘ |
| hasFunction |
bulk commodity transport
ⓘ
bypass of Danube Delta maritime route ⓘ cargo transport ⓘ |
| hasLock |
Agigea Lock
ⓘ
Cernavodă Lock ⓘ Ovidiu Lock ⓘ |
| length | approximately 64 km ⓘ |
| locatedIn |
Dobruja
ⓘ
European Union ⓘ |
| locatedOnRiver | Danube ⓘ |
| managingOrganization | Administrația Canalelor Navigabile ⓘ |
| maximumVesselTonnage | about 5,000 DWT ⓘ |
| nearCity |
Cernavodă
NERFINISHED
ⓘ
Constanța ⓘ |
| notableFor |
major infrastructure project in communist Romania
ⓘ
significantly shortening Danube–Black Sea maritime route ⓘ |
| opened | 1984 ⓘ |
| partOf |
Trans-European Inland Waterway Network
ⓘ
linked to:
European inland shipping network
|
| purpose |
facilitate international trade
ⓘ
facilitate navigation ⓘ shorten maritime route between Danube and Black Sea ⓘ |
| regionServed |
Constanța Port
ⓘ
linked to:
Port of Constanța
Danube–Black Sea transport corridor ⓘ
linked to:
Danube–Black Sea Canal
|
| status | operational ⓘ |
| terminus |
Agigea
ⓘ
Cernavodă NERFINISHED ⓘ Constanța ⓘ Năvodari ⓘ |
| waterwayClass | international inland waterway ⓘ |
| waterwaySystem | Danube waterway system ⓘ |
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: Danube–Black Sea Canal Description of subject: The Danube–Black Sea Canal is a major artificial waterway in Romania that connects the Danube River to the Black Sea, significantly shortening the maritime route and facilitating international trade and navigation.
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Danube–Black Sea Canal
linked to: Danube–Black Sea Canal
linked to: Danube–Black Sea Canal
linked to: Danube–Black Sea Canal