Lake Akan
E380966
Lake Akan is a scenic caldera lake in eastern Hokkaido, Japan, famed for its rare marimo (spherical green algae) and hot spring resort surroundings.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lake Akan canonical | 12 |
How this entity was disambiguated
This entity first appeared as the object of triple T3629404 — 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 Akan Context triple: [Akan-Mashu National Park, hasPart, Lake Akan]
-
A.
Lake Shikotsu
Lake Shikotsu is a deep caldera lake in Hokkaido, Japan, renowned for its exceptionally clear water and scenic volcanic surroundings.
-
B.
Lake Inari
Lake Inari is a large Arctic lake in northern Finland, renowned for its rugged natural beauty and cultural significance to the Indigenous Sámi people.
-
C.
Lake Shikaribetsu
Lake Shikaribetsu is a scenic mountain lake in central Hokkaido, Japan, known for its clear waters, surrounding forested peaks, and seasonal ice village attractions.
-
D.
Lake Kakumanbuchi
Lake Kakumanbuchi is a small crater lake situated on the volcanic Mount Akagi in Gunma Prefecture, Japan.
-
E.
Lake Shoji
Lake Shoji is one of the Fuji Five Lakes in Japan, known for its tranquil waters and scenic views of Mount Fuji.
- 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 Akan Target entity description: Lake Akan is a scenic caldera lake in eastern Hokkaido, Japan, famed for its rare marimo (spherical green algae) and hot spring resort surroundings.
-
A.
Lake Shikotsu
Lake Shikotsu is a deep caldera lake in Hokkaido, Japan, renowned for its exceptionally clear water and scenic volcanic surroundings.
-
B.
Lake Inari
Lake Inari is a large Arctic lake in northern Finland, renowned for its rugged natural beauty and cultural significance to the Indigenous Sámi people.
-
C.
Lake Shikaribetsu
Lake Shikaribetsu is a scenic mountain lake in central Hokkaido, Japan, known for its clear waters, surrounding forested peaks, and seasonal ice village attractions.
-
D.
Lake Kakumanbuchi
Lake Kakumanbuchi is a small crater lake situated on the volcanic Mount Akagi in Gunma Prefecture, Japan.
-
E.
Lake Shoji
Lake Shoji is one of the Fuji Five Lakes in Japan, known for its tranquil waters and scenic views of Mount Fuji.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
caldera lake
ⓘ
lake in Japan ⓘ tourist attraction ⓘ |
| basinCountry | Japan ⓘ |
| country | Japan ⓘ |
| hasClimateInfluence |
cold snowy winters
ⓘ
cool summers ⓘ |
| hasConservationConcern | protection of marimo colonies ⓘ |
| hasConservationMeasure | restrictions on lake use to protect marimo ⓘ |
| hasCoordinateRegion | Akan area ⓘ |
| hasCulturalAttractionNearby |
Ainu cultural facilities
ⓘ
Ainu village (Ainu Kotan) ⓘ |
| hasEcosystemFeature | freshwater lake ecosystem ⓘ |
| hasFlora |
Aegagropila linnaei
ⓘ
marimo colonies ⓘ |
| hasIsland |
Churui Island
NERFINISHED
ⓘ
Oshima NERFINISHED ⓘ Yaitai Island ⓘ |
| hasNearbySettlement |
Akan-ko Onsen resort town
ⓘ
Akan Onsen ⓘ
surface form:
Akanko Onsen
|
| hasNearbyVolcano |
Mount Meakan
NERFINISHED
ⓘ
Mount Oakan ⓘ |
| hasProtectionStatus | national park area ⓘ |
| hasRecreationalActivity |
boating
ⓘ
fishing ⓘ hiking in surrounding area ⓘ sightseeing cruises ⓘ |
| isAccessedVia |
bus services from nearby cities
ⓘ
road from Kushiro ⓘ |
| isTouristDestinationFor |
domestic tourists
ⓘ
international tourists ⓘ |
| knownFor |
caldera landscape
ⓘ
hot springs ⓘ marimo ⓘ scenic beauty ⓘ |
| locatedIn |
Hokkaido
ⓘ
eastern Hokkaido ⓘ |
| locatedInAdministrativeEntity | Kushiro Subprefecture ⓘ |
| locatedInProtectedArea | Akan-Mashu National Park ⓘ |
| locatedInVolcanicRegion | Akan volcanic complex ⓘ |
| locatedOnIsland | Hokkaido ⓘ |
| partOf |
Akan Caldera
ⓘ
surface form:
Akan caldera
|
| tourismType |
eco-tourism
ⓘ
nature tourism ⓘ onsen tourism ⓘ |
| waterType | freshwater ⓘ |
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 Akan Description of subject: Lake Akan is a scenic caldera lake in eastern Hokkaido, Japan, famed for its rare marimo (spherical green algae) and hot spring resort surroundings.
Referenced by (12)
Full triples — surface form annotated when it differs from this entity's canonical label.