Opava River
E783583
The Opava River is a significant watercourse in the Czech Republic that flows through the historical region of Silesia, including the city of Opava, before joining the Oder River.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Opava River canonical | 12 |
How this entity was disambiguated
This entity first appeared as the object of triple T8862077 — 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: Opava River Context triple: [North Moravia, hasRiver, Opava River]
-
A.
Svitava River
The Svitava River is a significant river in the eastern Czech Republic that flows through cities such as Brno before joining the Svratka River.
-
B.
Orlice River
The Orlice River is a significant river in the Czech Republic that flows through eastern Bohemia and joins the Elbe near the city of Hradec Králové.
-
C.
Sázava River
The Sázava River is a scenic tributary of the Vltava in the Czech Republic, known for its picturesque valleys, historic sites, and popularity for canoeing and recreation.
-
D.
Váh River
The Váh River is the longest river in Slovakia, flowing from the Tatra Mountains through much of the country before joining the Danube.
-
E.
Poprad River
The Poprad River is a mountain river in southern Poland and northeastern Slovakia, known for its scenic valley, spa towns, and role as part of the Polish-Slovak border.
- 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: Opava River Target entity description: The Opava River is a significant watercourse in the Czech Republic that flows through the historical region of Silesia, including the city of Opava, before joining the Oder River.
-
A.
Svitava River
The Svitava River is a significant river in the eastern Czech Republic that flows through cities such as Brno before joining the Svratka River.
-
B.
Orlice River
The Orlice River is a significant river in the Czech Republic that flows through eastern Bohemia and joins the Elbe near the city of Hradec Králové.
-
C.
Sázava River
The Sázava River is a scenic tributary of the Vltava in the Czech Republic, known for its picturesque valleys, historic sites, and popularity for canoeing and recreation.
-
D.
Váh River
The Váh River is the longest river in Slovakia, flowing from the Tatra Mountains through much of the country before joining the Danube.
-
E.
Poprad River
The Poprad River is a mountain river in southern Poland and northeastern Slovakia, known for its scenic valley, spa towns, and role as part of the Polish-Slovak border.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| country | Czech Republic ⓘ |
| flowsThrough |
Hlučín Region
ⓘ
Kobeřice area ⓘ Krnov ⓘ Moravian-Silesian Region ⓘ Opava ⓘ |
| formsBorderWith | Poland ⓘ |
| hasEcologicalRole | habitat for freshwater species ⓘ |
| hasHistoricalRegion | Austrian Silesia ⓘ |
| hasHistoricalSignificance | former border river in Silesia ⓘ |
| hasMouthLocation | near Ostrava ⓘ |
| hasNameOrigin | city of Opava ⓘ |
| hasSourceRegion |
Eastern Sudetes
ⓘ
Hrubý Jeseník Mountains ⓘ
linked to:
Jeseníky Mountains
|
| locatedIn |
Central Europe
ⓘ
Czech Silesia ⓘ
linked to:
Austrian Silesia
Silesia ⓘ |
| mouthOf | Oder River ⓘ |
| partOf |
Oder basin
ⓘ
linked to:
Odra River basin
hydrographic network of the Czech Republic ⓘ |
| tributaryOf | Oder River ⓘ |
| usedFor |
angling
ⓘ
flood control ⓘ recreation ⓘ |
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: Opava River Description of subject: The Opava River is a significant watercourse in the Czech Republic that flows through the historical region of Silesia, including the city of Opava, before joining the Oder River.
Referenced by (12)
Full triples — surface form annotated when it differs from this entity's canonical label.