Lake Ōnuma
E97478
Lake Ōnuma is a volcanic crater lake situated on Mount Akagi in Gunma Prefecture, Japan, known for its scenic beauty and outdoor recreation.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Lake Ōnuma canonical | 2 |
| Lake Konuma | 1 |
| Lake Onuma | 1 |
| Onuma Lake | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T802295 — 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: Lake Ōnuma Context triple: [Mount Akagi, hasLake, Lake Ōnuma]
-
A.
Shiga Lakes
Shiga Lakes is a professional basketball team based in Shiga Prefecture, Japan, competing in the country’s top-tier B.League.
-
B.
Kankaria Lake
Kankaria Lake is a historic, man-made lake in Ahmedabad, India, known for its recreational facilities, zoo, and popular waterfront promenade.
-
C.
Lake Kegonsa
Lake Kegonsa is a glacial freshwater lake in south-central Wisconsin that is popular for boating, fishing, and its surrounding state park.
-
D.
Simly Lake
Simly Lake is a major freshwater reservoir and popular recreational spot located in the Margalla Hills near Islamabad, Pakistan.
-
E.
Osaka Bay
Osaka Bay is a shallow, industrially important inlet of the Seto Inland Sea in Japan, bordered by major cities like Osaka and Kobe and serving as a key hub for shipping and coastal development.
- 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: Lake Ōnuma Target entity description: Lake Ōnuma is a volcanic crater lake situated on Mount Akagi in Gunma Prefecture, Japan, known for its scenic beauty and outdoor recreation.
-
A.
Shiga Lakes
Shiga Lakes is a professional basketball team based in Shiga Prefecture, Japan, competing in the country’s top-tier B.League.
-
B.
Kankaria Lake
Kankaria Lake is a historic, man-made lake in Ahmedabad, India, known for its recreational facilities, zoo, and popular waterfront promenade.
-
C.
Lake Kegonsa
Lake Kegonsa is a glacial freshwater lake in south-central Wisconsin that is popular for boating, fishing, and its surrounding state park.
-
D.
Simly Lake
Simly Lake is a major freshwater reservoir and popular recreational spot located in the Margalla Hills near Islamabad, Pakistan.
-
E.
Osaka Bay
Osaka Bay is a shallow, industrially important inlet of the Seto Inland Sea in Japan, bordered by major cities like Osaka and Kobe and serving as a key hub for shipping and coastal development.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
lake in Japan
ⓘ
volcanic crater lake ⓘ |
| activity |
boating
ⓘ
fishing ⓘ hiking ⓘ nature observation ⓘ |
| basinCountry | Japan ⓘ |
| category |
Crater lakes of Japan
ⓘ
Lakes of Gunma Prefecture ⓘ Tourist attractions in Gunma Prefecture ⓘ |
| country | Japan ⓘ |
| formedBy | volcanic activity ⓘ |
| hasFeature |
forested surroundings
ⓘ
mountain scenery ⓘ volcanic crater basin ⓘ |
| hasWaterType | freshwater ⓘ |
| isPartOf | Akagi mountain lakes ⓘ |
| JapaneseName | 大沼 ⓘ |
| knownFor |
outdoor recreation
ⓘ
scenic beauty ⓘ |
| locatedIn |
Gunma Prefecture
ⓘ
Japan ⓘ Mount Akagi ⓘ |
| locatedInProtectedArea | Mount Akagi area ⓘ |
| locatedOn | Mount Akagi plateau ⓘ |
| mountainRange |
Mount Akagi volcanic group
ⓘ
linked to:
Mount Akagi volcano
|
| nearestCity | Maebashi ⓘ |
| region | Kantō region ⓘ |
| tourism | popular sightseeing destination ⓘ |
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: Lake Ōnuma Description of subject: Lake Ōnuma is a volcanic crater lake situated on Mount Akagi in Gunma Prefecture, Japan, known for its scenic beauty and outdoor recreation.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Lake Ōnuma
linked to: Lake Ōnuma
subject linked to:
Mount Akagi volcano
linked to: Lake Ōnuma