Hoheikyo Dam
E768475
Hoheikyo Dam is a concrete arch dam in the mountainous outskirts of Sapporo, Japan, known for its scenic reservoir, autumn foliage, and nearby hot spring resorts.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Hoheikyo Dam canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T8865521 — 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: Hoheikyo Dam Context triple: [Minami-ku, Sapporo, contains, Hoheikyo Dam]
-
A.
Ukai Dam
Ukai Dam is a major multi-purpose reservoir and hydroelectric dam in Gujarat, India, built on the Tapi River for irrigation, power generation, and flood control.
-
B.
Nagayasuguchi Dam
Nagayasuguchi Dam is a hydroelectric dam located on Japan’s Yoshino River, used primarily for power generation and flood control.
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C.
Shimen Dam
Shimen Dam is a major concrete gravity dam in northern Taiwan that provides water supply, flood control, and hydroelectric power as part of the Shimen Reservoir system.
-
D.
Jōzankei Dam
Jōzankei Dam is a concrete gravity dam on the Toyohira River in Sapporo, Japan, known for flood control, water supply, and its scenic reservoir surrounded by hot spring resorts.
-
E.
Ikeda Dam
Ikeda Dam is a major hydroelectric dam in Japan known for generating power and regulating water flow on the Yoshino River.
- 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: Hoheikyo Dam Target entity description: Hoheikyo Dam is a concrete arch dam in the mountainous outskirts of Sapporo, Japan, known for its scenic reservoir, autumn foliage, and nearby hot spring resorts.
-
A.
Ukai Dam
Ukai Dam is a major multi-purpose reservoir and hydroelectric dam in Gujarat, India, built on the Tapi River for irrigation, power generation, and flood control.
-
B.
Nagayasuguchi Dam
Nagayasuguchi Dam is a hydroelectric dam located on Japan’s Yoshino River, used primarily for power generation and flood control.
-
C.
Shimen Dam
Shimen Dam is a major concrete gravity dam in northern Taiwan that provides water supply, flood control, and hydroelectric power as part of the Shimen Reservoir system.
-
D.
Jōzankei Dam
Jōzankei Dam is a concrete gravity dam on the Toyohira River in Sapporo, Japan, known for flood control, water supply, and its scenic reservoir surrounded by hot spring resorts.
-
E.
Ikeda Dam
Ikeda Dam is a major hydroelectric dam in Japan known for generating power and regulating water flow on the Yoshino River.
- F. None of above. chosen
Statements (33)
| Predicate | Object |
|---|---|
| instanceOf |
concrete arch dam
ⓘ
dam ⓘ |
| access | bus from central Sapporo ⓘ |
| category |
Dams in Hokkaido
ⓘ
Tourist attractions in Sapporo ⓘ |
| country | Japan ⓘ |
| environment | mountainous area ⓘ |
| hasFacility |
parking area
ⓘ
viewing platform ⓘ visitor walking paths ⓘ |
| hasReservoir | Hoheikyo Reservoir ⓘ |
| knownFor |
autumn foliage
ⓘ
nearby hot spring resorts ⓘ scenic reservoir ⓘ |
| locatedIn |
Hokkaido
ⓘ
Minami-ku, Sapporo ⓘ Sapporo ⓘ mountainous outskirts of Sapporo ⓘ |
| managedBy | Hokkaido Regional Development Bureau ⓘ |
| material | concrete ⓘ |
| nearby |
Hoheikyo Onsen
ⓘ
Jozankei Onsen ⓘ |
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ water supply ⓘ |
| recreation |
nature observation
ⓘ
photography ⓘ sightseeing ⓘ |
| region | Ishikari Subprefecture ⓘ |
| river | Toyohira River ⓘ |
| structureType | arch dam ⓘ |
| tourism |
autumn leaves viewing spot
ⓘ
popular sightseeing spot ⓘ |
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: Hoheikyo Dam Description of subject: Hoheikyo Dam is a concrete arch dam in the mountainous outskirts of Sapporo, Japan, known for its scenic reservoir, autumn foliage, and nearby hot spring resorts.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.