Lake Nakaumi
E893165
Lake Nakaumi is a brackish coastal lake in western Japan, situated between Shimane and Tottori prefectures, known for its rich fisheries and scenic views near the city of Matsue.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Lake Hamana | 2 |
| Lake Nakaumi canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10827341 — 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 Nakaumi Context triple: [Matsue, hasLake, Lake Nakaumi]
-
A.
Lake Kussharo
Lake Kussharo is a large caldera lake in eastern Hokkaido, Japan, renowned for its volcanic scenery, hot springs, and surrounding natural beauty.
-
B.
Lake Motosu
Lake Motosu is one of the Fuji Five Lakes in Yamanashi Prefecture, Japan, renowned for its clear deep waters and iconic views of Mount Fuji reflected on its surface.
-
C.
Lake Hachirogata
Lake Hachirogata is a coastal lagoon in Akita Prefecture, Japan, historically one of the country’s largest lakes before extensive land reclamation reduced its size.
-
D.
Lake Shoji
Lake Shoji is one of the Fuji Five Lakes in Japan, known for its tranquil waters and scenic views of Mount Fuji.
-
E.
Lake Haruna
Lake Haruna is a scenic crater lake in Gunma Prefecture, Japan, known for its tranquil waters, surrounding volcanic landscapes, and popularity as a recreational and tourist destination.
- 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 Nakaumi Target entity description: Lake Nakaumi is a brackish coastal lake in western Japan, situated between Shimane and Tottori prefectures, known for its rich fisheries and scenic views near the city of Matsue.
-
A.
Lake Kussharo
Lake Kussharo is a large caldera lake in eastern Hokkaido, Japan, renowned for its volcanic scenery, hot springs, and surrounding natural beauty.
-
B.
Lake Motosu
Lake Motosu is one of the Fuji Five Lakes in Yamanashi Prefecture, Japan, renowned for its clear deep waters and iconic views of Mount Fuji reflected on its surface.
-
C.
Lake Hachirogata
Lake Hachirogata is a coastal lagoon in Akita Prefecture, Japan, historically one of the country’s largest lakes before extensive land reclamation reduced its size.
-
D.
Lake Shoji
Lake Shoji is one of the Fuji Five Lakes in Japan, known for its tranquil waters and scenic views of Mount Fuji.
-
E.
Lake Haruna
Lake Haruna is a scenic crater lake in Gunma Prefecture, Japan, known for its tranquil waters, surrounding volcanic landscapes, and popularity as a recreational and tourist destination.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
brackish lake
ⓘ
coastal lagoon ⓘ lake of Japan ⓘ |
| averageDepth | 5.4 metres ⓘ |
| basinCountry | Japan NERFINISHED ⓘ |
| connectedBy |
Ohashi River
NERFINISHED
ⓘ
Sakai Channel NERFINISHED ⓘ |
| connectedTo |
Lake Shinji
NERFINISHED
ⓘ
Sea of Japan NERFINISHED ⓘ |
| country | Japan ⓘ |
| ecosystemType | estuarine ecosystem ⓘ |
| elevation | 0 metres ⓘ |
| hasBridge |
Eshima Ohashi Bridge
NERFINISHED
ⓘ
Yumigahama-Ohashi Bridge NERFINISHED ⓘ |
| hasIsland |
Daikon Island
NERFINISHED
ⓘ
Eshima Island NERFINISHED ⓘ |
| hasPort |
Sakaiminato
NERFINISHED
ⓘ
Yonago Port NERFINISHED ⓘ |
| inflow | Ohashi River NERFINISHED ⓘ |
| knownFor |
clam harvesting
ⓘ
nori seaweed production ⓘ rich fisheries ⓘ scenic views ⓘ |
| locatedIn |
Honshu
ⓘ
Shimane Prefecture NERFINISHED ⓘ Tottori Prefecture NERFINISHED ⓘ |
| locatedInRegion | Chūgoku region NERFINISHED ⓘ |
| locatedNear |
Matsue
NERFINISHED
ⓘ
Yonago NERFINISHED ⓘ |
| maximumDepth | 17.1 metres ⓘ |
| nearbyCity |
Matsue
NERFINISHED
ⓘ
Sakaiminato NERFINISHED ⓘ Yonago NERFINISHED ⓘ |
| outflow | Sakai Channel NERFINISHED ⓘ |
| partOf | Shinjiko-Nakaumi Ramsar site NERFINISHED ⓘ |
| RamsarDesignationYear | 2005 ⓘ |
| RamsarSite | true ⓘ |
| salinity | variable salinity ⓘ |
| supportsSpecies |
marine fish
ⓘ
migratory birds ⓘ shellfish ⓘ waterfowl ⓘ |
| surfaceArea | 86.2 square kilometres ⓘ |
| usedFor |
aquaculture
ⓘ
fishing ⓘ recreation ⓘ tourism ⓘ |
| waterType | brackish water ⓘ |
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 Nakaumi Description of subject: Lake Nakaumi is a brackish coastal lake in western Japan, situated between Shimane and Tottori prefectures, known for its rich fisheries and scenic views near the city of Matsue.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Matsue
subject surface form:
Shizuoka Prefecture
this entity surface form:
Lake Hamana
subject surface form:
Hamamatsu
this entity surface form:
Lake Hamana