Akan-Mashu National Park
E76918
Akan-Mashu National Park is a scenic protected area in eastern Hokkaido, Japan, renowned for its volcanic landscapes, crystal-clear caldera lakes, and rich Ainu cultural heritage.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Akan-Mashu National Park canonical | 10 |
| Akan–Mashu National Park | 3 |
| Akan Mashu National Park | 2 |
| Akan-Mashu National Park tourism area | 1 |
| Akan–Mashu area | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T610678 — 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: Akan-Mashu National Park Context triple: [Hokkaido, hasNationalPark, Akan-Mashu National Park]
-
A.
Daisetsuzan National Park
Daisetsuzan National Park is Japan’s largest national park, renowned for its rugged volcanic mountains, alpine landscapes, and rich wildlife in central Hokkaido.
-
B.
Shiretoko National Park
Shiretoko National Park is a remote, UNESCO World Heritage–listed wilderness area on Japan’s Shiretoko Peninsula, renowned for its pristine forests, rugged coastline, rich wildlife, and drifting sea ice.
-
C.
Kitanomaru Park
Kitanomaru Park is a public park in central Tokyo known for its historic grounds, museums, and tranquil green spaces adjacent to the Tokyo Imperial Palace.
-
D.
Omihachiman, Japan
Omihachiman is a historic city in Shiga Prefecture, Japan, known for its preserved merchant quarters, canals, and traditional architecture along the eastern shore of Lake Biwa.
-
E.
Miyashita Park
Miyashita Park is a redeveloped urban park and shopping complex in Shibuya that combines green space, sports facilities, and commercial areas atop a multi-story building.
- 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: Akan-Mashu National Park Target entity description: Akan-Mashu National Park is a scenic protected area in eastern Hokkaido, Japan, renowned for its volcanic landscapes, crystal-clear caldera lakes, and rich Ainu cultural heritage.
-
A.
Daisetsuzan National Park
Daisetsuzan National Park is Japan’s largest national park, renowned for its rugged volcanic mountains, alpine landscapes, and rich wildlife in central Hokkaido.
-
B.
Shiretoko National Park
Shiretoko National Park is a remote, UNESCO World Heritage–listed wilderness area on Japan’s Shiretoko Peninsula, renowned for its pristine forests, rugged coastline, rich wildlife, and drifting sea ice.
-
C.
Kitanomaru Park
Kitanomaru Park is a public park in central Tokyo known for its historic grounds, museums, and tranquil green spaces adjacent to the Tokyo Imperial Palace.
-
D.
Omihachiman, Japan
Omihachiman is a historic city in Shiga Prefecture, Japan, known for its preserved merchant quarters, canals, and traditional architecture along the eastern shore of Lake Biwa.
-
E.
Miyashita Park
Miyashita Park is a redeveloped urban park and shopping complex in Shibuya that combines green space, sports facilities, and commercial areas atop a multi-story building.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
national park
ⓘ
protected area ⓘ |
| area | approximately 905 square kilometres ⓘ |
| contains | habitat of marimo in Lake Akan ⓘ |
| country | Japan ⓘ |
| established | 1934 ⓘ |
| formerName | Akan National Park ⓘ |
| governingBody |
Ministry of the Environment of Japan
ⓘ
surface form:
Ministry of the Environment (Japan)
|
| hasEcosystemType |
boreal forest
ⓘ
caldera lake ecosystem ⓘ volcanic plateau ⓘ |
| hasFauna |
Ezo deer
ⓘ
Ezo red fox ⓘ Ussuri brown bear ⓘ
surface form:
Hokkaido brown bear
|
| hasFlora |
Erman's birch
ⓘ
Sakhalin spruce ⓘ |
| hasPart |
Akan Ainu Kotan
ⓘ
Akan Caldera ⓘ Akan Onsen ⓘ Kawayu Onsen ⓘ Akan Onsen ⓘ
surface form:
Kotan Onsen
Akan Caldera ⓘ
surface form:
Kussharo Caldera
Lake Akan ⓘ Lake Kussharo ⓘ Lake Mashu ⓘ Akan Caldera ⓘ
surface form:
Mashu Caldera
Mount Meakan ⓘ Mount Oakan ⓘ |
| hasViewpoint |
Bihoro Pass
ⓘ
Mashu Lake observatory ⓘ |
| IUCNCategory | II ⓘ |
| knownFor |
Ainu cultural heritage
ⓘ
autumn foliage ⓘ caldera lakes ⓘ hot springs ⓘ lake scenery ⓘ marimo algae ⓘ volcanic landscapes ⓘ wildlife viewing ⓘ |
| locatedIn |
Okhotsk Subprefecture
ⓘ
surface form:
Abashiri Subprefecture
Hokkaido ⓘ Kushiro Subprefecture ⓘ |
| locatedInRegion | eastern Hokkaido ⓘ |
| locatedOnIsland | Hokkaido ⓘ |
| renamed | 2017 ⓘ |
| touristActivity |
boating
ⓘ
hiking ⓘ hot spring bathing ⓘ scenic driving ⓘ wildlife observation ⓘ |
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: Akan-Mashu National Park Description of subject: Akan-Mashu National Park is a scenic protected area in eastern Hokkaido, Japan, renowned for its volcanic landscapes, crystal-clear caldera lakes, and rich Ainu cultural heritage.
Referenced by (17)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Akan–Mashu National Park
this entity surface form:
Akan–Mashu National Park
this entity surface form:
Akan–Mashu National Park
this entity surface form:
Akan–Mashu area
this entity surface form:
Akan Mashu National Park
this entity surface form:
Akan Mashu National Park
this entity surface form:
Akan-Mashu National Park tourism area