Kokai River
E525027
The Kokai River is a significant river in Japan’s Kantō region that contributes to the Tone River system and supports surrounding agricultural and urban areas.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Kokai River canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3014380 — 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: Kokai River Context triple: [Tone River, majorTributary, Kokai River]
-
A.
Turakina River
Turakina River is a river in New Zealand’s North Island that flows through the Manawatū-Whanganui region to the South Taranaki Bight.
-
B.
Nyari River
The Nyari River is a regional river in the Indian state of Gujarat that flows through and helps sustain the city of Rajkot.
-
C.
Mutirikwi River
Mutirikwi River is a river in southeastern Zimbabwe that flows near the ancient stone city of Great Zimbabwe and feeds Lake Mutirikwi.
-
D.
Kacha River
The Kacha River is a watercourse in Crimea that flows from the Crimean Mountains through varied landscapes before emptying into the Black Sea.
-
E.
Kysva River
The Kysva River is a smaller watercourse that serves as a right-bank tributary feeding into the larger Prut River in Eastern Europe.
- 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: Kokai River Target entity description: The Kokai River is a significant river in Japan’s Kantō region that contributes to the Tone River system and supports surrounding agricultural and urban areas.
-
A.
Turakina River
Turakina River is a river in New Zealand’s North Island that flows through the Manawatū-Whanganui region to the South Taranaki Bight.
-
B.
Nyari River
The Nyari River is a regional river in the Indian state of Gujarat that flows through and helps sustain the city of Rajkot.
-
C.
Mutirikwi River
Mutirikwi River is a river in southeastern Zimbabwe that flows near the ancient stone city of Great Zimbabwe and feeds Lake Mutirikwi.
-
D.
Kacha River
The Kacha River is a watercourse in Crimea that flows from the Crimean Mountains through varied landscapes before emptying into the Black Sea.
-
E.
Kysva River
The Kysva River is a smaller watercourse that serves as a right-bank tributary feeding into the larger Prut River in Eastern Europe.
- F. None of above. chosen
Statements (20)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| basinCountry | Japan NERFINISHED ⓘ |
| continent | Asia ⓘ |
| country | Japan ⓘ |
| hasHydrologicalFunction | drainage of surrounding basin ⓘ |
| hasRegion |
Ibaraki Prefecture
NERFINISHED
ⓘ
Saitama Prefecture NERFINISHED ⓘ Tochigi Prefecture NERFINISHED ⓘ |
| locatedIn |
Honshu
ⓘ
Kantō Plain NERFINISHED ⓘ Kantō region ⓘ |
| mouthOfWaterBody | Tone River NERFINISHED ⓘ |
| partOf | Tone River system NERFINISHED ⓘ |
| supports |
agriculture
ⓘ
urban areas ⓘ |
| tributaryOf | Tone River NERFINISHED ⓘ |
| usedFor |
flood control
ⓘ
irrigation ⓘ water supply ⓘ |
| watercourseSystem | Tone River system NERFINISHED ⓘ |
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: Kokai River Description of subject: The Kokai River is a significant river in Japan’s Kantō region that contributes to the Tone River system and supports surrounding agricultural and urban areas.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.