Ostrava region
E151223
The Ostrava region is an industrial and urban area in northeastern Czech Republic known for its coal mining heritage and location near the Polish border.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Moravian-Silesian Region | 2 |
| Lower Vítkovice area | 1 |
| Ostrava region canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1320731 — 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: Ostrava region Context triple: [Oder River, flowsThrough, Ostrava region]
-
A.
Plzeň Region
The Plzeň Region is an administrative region in western Czech Republic known for its capital city Plzeň, industrial heritage, and educational and cultural institutions.
-
B.
Brno region
The Brno region is an area in the modern-day Czech Republic centered around the city of Brno, known as a historical and cultural hub of Moravia.
-
C.
Zlín Region
The Zlín Region is an administrative region in the eastern part of the Czech Republic, known for its industrial heritage, especially the Baťa shoe company, and its mix of urban centers and rural, hilly landscapes.
-
D.
Karlovy Vary Region
Karlovy Vary Region is an administrative region in western Czech Republic known for its historic spa towns, including the city of Karlovy Vary, and its location along the Ore Mountains near the German border.
-
E.
Hradec Králové Region
Hradec Králové Region is an administrative region in northeastern Czech Republic known for its historic capital Hradec Králové and a mix of industrial centers, agricultural areas, and natural landscapes.
- 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: Ostrava region Target entity description: The Ostrava region is an industrial and urban area in northeastern Czech Republic known for its coal mining heritage and location near the Polish border.
-
A.
Plzeň Region
The Plzeň Region is an administrative region in western Czech Republic known for its capital city Plzeň, industrial heritage, and educational and cultural institutions.
-
B.
Brno region
The Brno region is an area in the modern-day Czech Republic centered around the city of Brno, known as a historical and cultural hub of Moravia.
-
C.
Zlín Region
The Zlín Region is an administrative region in the eastern part of the Czech Republic, known for its industrial heritage, especially the Baťa shoe company, and its mix of urban centers and rural, hilly landscapes.
-
D.
Karlovy Vary Region
Karlovy Vary Region is an administrative region in western Czech Republic known for its historic spa towns, including the city of Karlovy Vary, and its location along the Ore Mountains near the German border.
-
E.
Hradec Králové Region
Hradec Králové Region is an administrative region in northeastern Czech Republic known for its historic capital Hradec Králové and a mix of industrial centers, agricultural areas, and natural landscapes.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
industrial region
ⓘ
region ⓘ |
| border | Poland ⓘ |
| climate | temperate continental ⓘ |
| country | Czech Republic ⓘ |
| crossBorderRelationsWith | Poland ⓘ |
| dominantLanguage | Czech ⓘ |
| economicProfile | industrial ⓘ |
| geographicalFeature | situated in a coal basin ⓘ |
| hasIndustrialHeritage |
coking plants
ⓘ
mines ⓘ steelworks ⓘ |
| hasMajorCity | Ostrava ⓘ |
| historicalActivity |
coal mining
ⓘ
steel production ⓘ |
| historicalRegion |
Moravia
ⓘ
Silesia ⓘ |
| knownFor |
coal mining heritage
ⓘ
heavy industry ⓘ |
| locatedIn |
eastern part of the Czech Republic
ⓘ
northeastern Czech Republic ⓘ |
| locatedNear | Poland ⓘ |
| partOf |
Moravian-Silesian Region
ⓘ
surface form:
Moravia-Silesia area
|
| transportRole | important transport hub near Czech–Polish border ⓘ |
| urbanizationLevel | high ⓘ |
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: Ostrava region Description of subject: The Ostrava region is an industrial and urban area in northeastern Czech Republic known for its coal mining heritage and location near the Polish border.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Lower Vítkovice area