Obva River
E332792
The Obva River is a tributary watercourse in Russia that feeds into the Kama River within the Volga basin.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Ik River | 1 |
| Obva River canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2438418 — 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: Obva River Context triple: [Kama River, hasTributary, Obva River]
-
A.
Bira River
The Bira River is a river in Russia's Far East that flows through the Jewish Autonomous Oblast before joining the larger Amur River system.
-
B.
Longai River
The Longai River is a tributary waterway in northeastern India that feeds into the Barak River system, contributing to the region’s drainage and ecology.
-
C.
Ruza River
The Ruza River is a waterway in western Russia that serves as one of the tributaries feeding into the Moskva River.
-
D.
Manyame River
The Manyame River is a major river in northern Zimbabwe that flows near the capital city of Harare and feeds into Lake Manyame, an important water source for the region.
-
E.
Funza River
The Funza River is a significant waterway in central Colombia that drains the Bogotá savanna and forms part of the upper basin of the Magdalena River.
- 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: Obva River Target entity description: The Obva River is a tributary watercourse in Russia that feeds into the Kama River within the Volga basin.
-
A.
Bira River
The Bira River is a river in Russia's Far East that flows through the Jewish Autonomous Oblast before joining the larger Amur River system.
-
B.
Longai River
The Longai River is a tributary waterway in northeastern India that feeds into the Barak River system, contributing to the region’s drainage and ecology.
-
C.
Ruza River
The Ruza River is a waterway in western Russia that serves as one of the tributaries feeding into the Moskva River.
-
D.
Manyame River
The Manyame River is a major river in northern Zimbabwe that flows near the capital city of Harare and feeds into Lake Manyame, an important water source for the region.
-
E.
Funza River
The Funza River is a significant waterway in central Colombia that drains the Bogotá savanna and forms part of the upper basin of the Magdalena River.
- F. None of above. chosen
Statements (12)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| continent | Europe ⓘ |
| country | Russia ⓘ |
| hasHydrologicalSystem |
Volga–Kama river system
ⓘ
surface form:
Volga River system
|
| hasMouthIn | Russia ⓘ |
| locatedIn | Perm Krai ⓘ |
| mouth | Kama River ⓘ |
| partOf |
Kama River
ⓘ
surface form:
Kama River basin
Volga River watershed ⓘ |
| riverBasin | Volga River basin ⓘ |
| tributaryOf | Kama River ⓘ |
| watercourseType | tributary ⓘ |
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: Obva River Description of subject: The Obva River is a tributary watercourse in Russia that feeds into the Kama River within the Volga basin.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Ik River