Cathedral Lock (Śluza Katedralna)
E1022144
Cathedral Lock (Śluza Katedralna) is a historic water lock structure located on Poznań’s Ostrów Tumski island, serving as part of the city’s river and flood-control infrastructure.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Cathedral Lock (Śluza Katedralna) canonical | 1 |
| Śluza Katedralna | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13136440 — 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: Cathedral Lock (Śluza Katedralna) Context triple: [Ostrów Tumski, Poznań, contains, Cathedral Lock (Śluza Katedralna)]
-
A.
Kleinmachnow lock
Kleinmachnow lock is a major lock complex near Berlin that regulates water levels and ship traffic on the Teltow Canal, serving as an important inland navigation structure in eastern Germany.
-
B.
Opatowska Gate
Opatowska Gate is a historic medieval city gate in Sandomierz, Poland, known as one of the town’s most recognizable architectural symbols.
-
C.
Krakowska Gate
Krakowska Gate is a historic city gate in Lublin, Poland, serving as one of the main medieval entrances to the Old Town and a symbol of the city’s heritage.
-
D.
New Gate (Nowa Brama)
New Gate (Nowa Brama) is a historic city gate in Słupsk, Poland, serving as one of the town’s best-preserved medieval architectural landmarks.
-
E.
Grodzka Gate
Grodzka Gate is a historic city gate in Lublin, Poland, that once marked the boundary between the Old Town and the former Jewish quarter and now serves as a cultural and historical center.
- 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: Cathedral Lock (Śluza Katedralna) Target entity description: Cathedral Lock (Śluza Katedralna) is a historic water lock structure located on Poznań’s Ostrów Tumski island, serving as part of the city’s river and flood-control infrastructure.
-
A.
Kleinmachnow lock
Kleinmachnow lock is a major lock complex near Berlin that regulates water levels and ship traffic on the Teltow Canal, serving as an important inland navigation structure in eastern Germany.
-
B.
Opatowska Gate
Opatowska Gate is a historic medieval city gate in Sandomierz, Poland, known as one of the town’s most recognizable architectural symbols.
-
C.
Krakowska Gate
Krakowska Gate is a historic city gate in Lublin, Poland, serving as one of the main medieval entrances to the Old Town and a symbol of the city’s heritage.
-
D.
New Gate (Nowa Brama)
New Gate (Nowa Brama) is a historic city gate in Słupsk, Poland, serving as one of the town’s best-preserved medieval architectural landmarks.
-
E.
Grodzka Gate
Grodzka Gate is a historic city gate in Lublin, Poland, that once marked the boundary between the Old Town and the former Jewish quarter and now serves as a cultural and historical center.
- F. None of above. chosen
Statements (37)
| Predicate | Object |
|---|---|
| instanceOf |
flood-control infrastructure element
ⓘ
historic structure ⓘ hydrotechnical structure ⓘ water lock ⓘ |
| category |
hydraulic engineering
ⓘ
water management infrastructure ⓘ |
| cityDistrict |
Śródka–Ostrów Tumski area
ⓘ
linked to:
Śródmieście Poznania
|
| country | Poland ⓘ |
| environment | urban ⓘ |
| function |
flood control
ⓘ
navigation support ⓘ water level regulation ⓘ |
| hasAccess | publicly accessible surroundings ⓘ |
| hasCulturalContext | part of historic riverfront of Poznań ⓘ |
| hasEnglishName | Cathedral Lock ⓘ |
| hasLocalName |
Śluza Katedralna
ⓘ
linked to:
Cathedral Lock (Śluza Katedralna)
|
| hasSignificance |
component of city flood defenses
ⓘ
local technical heritage ⓘ |
| hasStructuralType | lock chamber with gates ⓘ |
| heritageStatus | historic ⓘ |
| isManMade | true ⓘ |
| locatedIn | Poznań ⓘ |
| locatedInAdministrativeUnit | Greater Poland Voivodeship ⓘ |
| locatedInRiverSystem | Warta River NERFINISHED ⓘ |
| locatedInWatercourseArea | Warta River valley ⓘ |
| locatedOnIsland | Ostrów Tumski ⓘ |
| municipality |
City of Poznań
ⓘ
linked to:
Poznań
|
| namedAfter | Poznań Cathedral vicinity ⓘ |
| near |
Ostrów Tumski historic complex
ⓘ
linked to:
Ostrów Tumski
Poznań Cathedral ⓘ |
| partOf |
Poznań flood-control system
ⓘ
Poznań river infrastructure ⓘ |
| region | west-central Poland ⓘ |
| usedBy |
river navigation operators
ⓘ
water management authorities ⓘ |
| usedFor |
protecting adjacent districts from flooding
ⓘ
regulating river flow near Ostrów Tumski ⓘ |
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: Cathedral Lock (Śluza Katedralna) Description of subject: Cathedral Lock (Śluza Katedralna) is a historic water lock structure located on Poznań’s Ostrów Tumski island, serving as part of the city’s river and flood-control infrastructure.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Cathedral Lock (Śluza Katedralna)