Obra River
E469872
The Obra River is a significant river in western Poland known for its scenic, meandering course through lakes and wetlands before joining the Warta River.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Obra River canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T4651647 — 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: Obra River Context triple: [Warta River, majorTributary, Obra River]
-
A.
Uruguay River
The Uruguay River is a major South American waterway that forms part of the border between Argentina, Brazil, and Uruguay before joining the Paraná River to create the Río de la Plata estuary.
-
B.
Río Mayo
Río Mayo is a river in northwestern Mexico that flows through the state of Sonora before emptying into the Gulf of California.
-
C.
Neuquén River
The Neuquén River is a major river in western Argentina that flows through the Neuquén Province and helps form the larger Río Negro system.
-
D.
Paraguay River
The Paraguay River is a major South American waterway that flows through Brazil, Bolivia, Paraguay, and Argentina, forming part of the Río de la Plata Basin and serving as a vital route for transport, agriculture, and ecosystems in the region.
-
E.
Mendoza River
The Mendoza River is a major Andean river in western Argentina that provides vital water for irrigation, hydroelectric power, and human consumption in the arid Mendoza region.
- 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: Obra River Target entity description: The Obra River is a significant river in western Poland known for its scenic, meandering course through lakes and wetlands before joining the Warta River.
-
A.
Uruguay River
The Uruguay River is a major South American waterway that forms part of the border between Argentina, Brazil, and Uruguay before joining the Paraná River to create the Río de la Plata estuary.
-
B.
Río Mayo
Río Mayo is a river in northwestern Mexico that flows through the state of Sonora before emptying into the Gulf of California.
-
C.
Neuquén River
The Neuquén River is a major river in western Argentina that flows through the Neuquén Province and helps form the larger Río Negro system.
-
D.
Paraguay River
The Paraguay River is a major South American waterway that flows through Brazil, Bolivia, Paraguay, and Argentina, forming part of the Río de la Plata Basin and serving as a vital route for transport, agriculture, and ecosystems in the region.
-
E.
Mendoza River
The Mendoza River is a major Andean river in western Argentina that provides vital water for irrigation, hydroelectric power, and human consumption in the arid Mendoza region.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| basinCountry | Poland ⓘ |
| country | Poland ⓘ |
| drainageBasin | Warta River basin ⓘ |
| flowsThrough |
Greater Poland Voivodeship
ⓘ
Lubusz Voivodeship ⓘ |
| hasEcosystemType |
lake districts
ⓘ
riverine wetlands ⓘ |
| hasFeature |
backwaters
ⓘ
meanders ⓘ oxbow lakes ⓘ |
| hasHabitat |
aquatic birds
ⓘ
freshwater fish ⓘ wetland flora ⓘ |
| hasRecreationalRoute | Obra kayaking trail ⓘ |
| knownFor |
lakes
ⓘ
meandering course ⓘ scenic course ⓘ wetlands ⓘ |
| locatedIn |
Polish Lakeland region
ⓘ
western Poland ⓘ |
| mouth | Warta River ⓘ |
| partOf | Oder river basin ⓘ |
| supportsActivity |
birdwatching
ⓘ
nature tourism ⓘ |
| tributaryOf | Warta River ⓘ |
| usedFor |
angling
ⓘ
canoeing ⓘ kayaking ⓘ tourism ⓘ |
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: Obra River Description of subject: The Obra River is a significant river in western Poland known for its scenic, meandering course through lakes and wetlands before joining the Warta River.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.