Silesian Ostrava Castle
E172959
Silesian Ostrava Castle is a historic medieval fortress in the city of Ostrava in the Czech Republic, known as one of the region’s oldest and most significant cultural monuments.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Silesian Ostrava Castle canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T1517209 — 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: Silesian Ostrava Castle Context triple: [Ostrava, hasLandmark, Silesian Ostrava Castle]
-
A.
Zlín Castle
Zlín Castle is a historic manor house in the city of Zlín in the Czech Republic, known for its Renaissance architecture and role as a cultural and historical landmark of the region.
-
B.
Lubart’s Castle
Lubart’s Castle is a well-preserved medieval fortress in Lutsk, Ukraine, renowned as one of the country’s most important historical and architectural monuments.
-
C.
Bratislava Castle
Bratislava Castle is a prominent hilltop fortress overlooking the Danube River in Slovakia’s capital, known for its distinctive rectangular shape with four corner towers and its role as a historical royal residence and cultural landmark.
-
D.
Plzeň City Hall
Plzeň City Hall is the historic administrative building and seat of local government in the city of Plzeň in the Czech Republic.
-
E.
Königsberg Castle
Königsberg Castle was a historic Prussian fortress and royal residence in Königsberg, notable as a political and cultural center of the Kingdom of Prussia.
- 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: Silesian Ostrava Castle Target entity description: Silesian Ostrava Castle is a historic medieval fortress in the city of Ostrava in the Czech Republic, known as one of the region’s oldest and most significant cultural monuments.
-
A.
Zlín Castle
Zlín Castle is a historic manor house in the city of Zlín in the Czech Republic, known for its Renaissance architecture and role as a cultural and historical landmark of the region.
-
B.
Lubart’s Castle
Lubart’s Castle is a well-preserved medieval fortress in Lutsk, Ukraine, renowned as one of the country’s most important historical and architectural monuments.
-
C.
Bratislava Castle
Bratislava Castle is a prominent hilltop fortress overlooking the Danube River in Slovakia’s capital, known for its distinctive rectangular shape with four corner towers and its role as a historical royal residence and cultural landmark.
-
D.
Plzeň City Hall
Plzeň City Hall is the historic administrative building and seat of local government in the city of Plzeň in the Czech Republic.
-
E.
Königsberg Castle
Königsberg Castle was a historic Prussian fortress and royal residence in Königsberg, notable as a political and cultural center of the Kingdom of Prussia.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
castle
ⓘ
cultural monument ⓘ tourist attraction ⓘ |
| architecturalStyle |
Gothic
ⓘ
Renaissance ⓘ |
| builtInCentury | 13th century ⓘ |
| builtInPeriod | Middle Ages ⓘ |
| category |
Buildings and structures in Ostrava
ⓘ
Castles in the Moravian-Silesian Region ⓘ Tourist attractions in Ostrava ⓘ |
| country | Czech Republic ⓘ |
| currentUse |
cultural center
ⓘ
museum ⓘ venue for events and festivals ⓘ |
| CzechName | Slezskoostravský hrad ⓘ |
| hasExhibition |
archaeological finds
ⓘ
history of Ostrava ⓘ medieval life ⓘ |
| hasFeature |
castle walls
ⓘ
courtyard ⓘ towers ⓘ underground spaces ⓘ |
| heritageDesignation | national cultural monument of the Czech Republic ⓘ |
| heritageStatus | cultural monument of the Czech Republic ⓘ |
| hostsEvent | Colours of Ostrava accompanying events ⓘ |
| languageOfName | Czech ⓘ |
| locatedIn |
Ostrava
ⓘ
Silesian Ostrava district ⓘ |
| locatedInRegion | Moravian-Silesian Region ⓘ |
| locatedOn | confluence of the Ostravice and Lučina rivers ⓘ |
| material | stone ⓘ |
| nearbyCityCenter | Ostrava city center ⓘ |
| nearbyLandmark |
Lower Vítkovice industrial area
ⓘ
linked to:
Dolní Vítkovice industrial complex
New City Hall of Ostrava ⓘ |
| openToPublic | yes ⓘ |
| originalFunction |
defensive stronghold
ⓘ
medieval fortress ⓘ |
| owner |
City of Ostrava
ⓘ
linked to:
Ostrava
|
| rebuiltAs | Renaissance chateau ⓘ |
| rebuiltInCentury | 16th century ⓘ |
| significance |
one of the most important cultural monuments in the region
ⓘ
one of the oldest monuments in Ostrava ⓘ |
| sufferedDamageFrom |
coal mining subsidence
ⓘ
fires ⓘ |
| touristAttractionFor |
domestic tourists
ⓘ
international tourists ⓘ |
| underwent | extensive reconstruction in the late 20th century ⓘ |
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: Silesian Ostrava Castle Description of subject: Silesian Ostrava Castle is a historic medieval fortress in the city of Ostrava in the Czech Republic, known as one of the region’s oldest and most significant cultural monuments.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.