Södertälje Canal
E118526
Södertälje Canal is a Swedish waterway connecting Lake Mälaren with the Baltic Sea, serving as an important route for both commercial shipping and recreational boating.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Södertälje Canal canonical | 4 |
| Mälaren–Baltic Sea fairway system | 1 |
| Norrström water system | 1 |
| Södertälje Canal locks | 1 |
| Södertälje Lock | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1000325 — 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: Södertälje Canal Context triple: [Södertälje Municipality, traversedBy, Södertälje Canal]
-
A.
Saimaa Canal
The Saimaa Canal is a historically significant waterway in southeastern Finland that connects Lake Saimaa to the Gulf of Finland, facilitating both commercial shipping and recreational boating.
-
B.
Göta Canal and locks
Göta Canal and locks is a historic Swedish waterway featuring an extensive system of locks that connect lakes and seas across the country, serving as both an engineering landmark and a popular tourist route.
-
C.
Göta älv
Göta älv is a major river in southwestern Sweden that flows from Lake Vänern to the Kattegat, passing through the city of Gothenburg and serving as an important waterway for transport and industry.
-
D.
Rhine–Herne Canal
The Rhine–Herne Canal is a major German shipping canal in the Ruhr area that links the Rhine River with the inland waterways of northern and eastern Germany, serving as an important industrial transport route.
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E.
Norway/Vänern Line
The Norway/Vänern Line is a major railway route in western Sweden that connects the Lake Vänern region with Norway, facilitating both passenger and freight transport.
- 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: Södertälje Canal Target entity description: Södertälje Canal is a Swedish waterway connecting Lake Mälaren with the Baltic Sea, serving as an important route for both commercial shipping and recreational boating.
-
A.
Saimaa Canal
The Saimaa Canal is a historically significant waterway in southeastern Finland that connects Lake Saimaa to the Gulf of Finland, facilitating both commercial shipping and recreational boating.
-
B.
Göta Canal and locks
Göta Canal and locks is a historic Swedish waterway featuring an extensive system of locks that connect lakes and seas across the country, serving as both an engineering landmark and a popular tourist route.
-
C.
Göta älv
Göta älv is a major river in southwestern Sweden that flows from Lake Vänern to the Kattegat, passing through the city of Gothenburg and serving as an important waterway for transport and industry.
-
D.
Rhine–Herne Canal
The Rhine–Herne Canal is a major German shipping canal in the Ruhr area that links the Rhine River with the inland waterways of northern and eastern Germany, serving as an important industrial transport route.
-
E.
Norway/Vänern Line
The Norway/Vänern Line is a major railway route in western Sweden that connects the Lake Vänern region with Norway, facilitating both passenger and freight transport.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
canal
ⓘ
waterway ⓘ |
| connects |
Baltic Sea
ⓘ
Lake Mälaren ⓘ |
| connectsCity | Södertälje ⓘ |
| constructionMaterial |
concrete structures
ⓘ
rock cuttings ⓘ |
| country | Sweden ⓘ |
| crossedBy |
European route E20
ⓘ
European route E4 ⓘ |
| economicRole |
access route to inland ports on Lake Mälaren
ⓘ
regional trade route ⓘ |
| hasBridge | Södertälje Bridge ⓘ |
| hasCurrentUse |
cargo traffic
ⓘ
pleasure craft traffic ⓘ |
| hasFeature |
movable bridges
ⓘ
navigational locks ⓘ |
| hasFunction | regulating water level differences between Lake Mälaren and Baltic Sea ⓘ |
| hasLock |
Södertälje Lock
ⓘ
linked to:
Södertälje Canal
|
| hasLockType | single-chamber lock ⓘ |
| length | approximately 5.2 km ⓘ |
| linksPort | Port of Södertälje ⓘ |
| locatedIn |
Stockholm County
ⓘ
Södertälje ⓘ eastern Sweden ⓘ |
| locatedInBodyOfWaterRegion | Baltic Sea basin ⓘ |
| lockCount | 1 ⓘ |
| maintainedBy | Swedish Transport Administration ⓘ |
| maxDraught | about 7 m ⓘ |
| maxVesselBeam | about 19 m ⓘ |
| maxVesselLength | about 135 m ⓘ |
| namedAfter | Södertälje ⓘ |
| navigationAuthority | Swedish Maritime Administration ⓘ |
| nearbyCity | Stockholm ⓘ |
| opened | 1819 ⓘ |
| operator | Swedish Transport Administration ⓘ |
| partOf |
Mälaren–Baltic Sea fairway system
ⓘ
linked to:
Södertälje Canal
shipping route between Lake Mälaren and Baltic Sea ⓘ |
| reconstructed | 1924 ⓘ |
| region |
Uppland–Södermanland area
ⓘ
linked to:
Uppland
|
| status | navigable ⓘ |
| usedFor |
commercial shipping
ⓘ
recreational boating ⓘ |
| waterwaySystem | Lake Mälaren basin ⓘ |
| waterwayType | shipping canal ⓘ |
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: Södertälje Canal Description of subject: Södertälje Canal is a Swedish waterway connecting Lake Mälaren with the Baltic Sea, serving as an important route for both commercial shipping and recreational boating.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Södertälje Canal
linked to: Södertälje Canal
subject linked to:
Södertälje, Sweden
subject linked to:
Södertälje, Sweden
linked to: Södertälje Canal
linked to: Södertälje Canal