Usui Pass
E941152
Usui Pass is a historic and steep mountain pass in central Japan, long known as a challenging railway and road route linking Gunma and Nagano Prefectures.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Usui Pass canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T11696186 — 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: Usui Pass Context triple: [Shinetsu Main Line, notablePass, Usui Pass]
-
A.
Shiretoko Pass
Shiretoko Pass is a scenic mountain pass on Japan’s Shiretoko Peninsula, known for its dramatic coastal and volcanic views and as a gateway to the remote wilderness of the region.
-
B.
Odarumi Pass
Odarumi Pass is a high mountain pass in Japan’s Southern Alps, known as a key access point for hikers and climbers exploring the surrounding peaks.
-
C.
Yoshino-Omine
Yoshino-Omine is a mountainous sacred area in Japan’s Kii Peninsula, renowned for its ancient Shugendō practices, cherry blossoms, and historic pilgrimage routes.
-
D.
Tateyama
Tateyama is a coastal city in southern Chiba Prefecture, Japan, known for its mild climate, beaches, and views of Mount Fuji across Tokyo Bay.
-
E.
Tsugaike Kogen
Tsugaike Kogen is a Japanese ski and snowboard resort in Nagano Prefecture known for its wide, gentle slopes and family-friendly terrain within the Hakuba Valley area.
- 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: Usui Pass Target entity description: Usui Pass is a historic and steep mountain pass in central Japan, long known as a challenging railway and road route linking Gunma and Nagano Prefectures.
-
A.
Shiretoko Pass
Shiretoko Pass is a scenic mountain pass on Japan’s Shiretoko Peninsula, known for its dramatic coastal and volcanic views and as a gateway to the remote wilderness of the region.
-
B.
Odarumi Pass
Odarumi Pass is a high mountain pass in Japan’s Southern Alps, known as a key access point for hikers and climbers exploring the surrounding peaks.
-
C.
Yoshino-Omine
Yoshino-Omine is a mountainous sacred area in Japan’s Kii Peninsula, renowned for its ancient Shugendō practices, cherry blossoms, and historic pilgrimage routes.
-
D.
Tateyama
Tateyama is a coastal city in southern Chiba Prefecture, Japan, known for its mild climate, beaches, and views of Mount Fuji across Tokyo Bay.
-
E.
Tsugaike Kogen
Tsugaike Kogen is a Japanese ski and snowboard resort in Nagano Prefecture known for its wide, gentle slopes and family-friendly terrain within the Hakuba Valley area.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf | mountain pass ⓘ |
| connects |
Gunma Prefecture
NERFINISHED
ⓘ
Nagano Prefecture NERFINISHED ⓘ |
| country | Japan ⓘ |
| elevationCategory | high mountain pass ⓘ |
| hasRailwayLine | Shinetsu Main Line (historical section) NERFINISHED ⓘ |
| hasRoad | National Route 18 NERFINISHED ⓘ |
| hasStructure |
Usui Fourth Bridge
NERFINISHED
ⓘ
Usui Third Bridge NERFINISHED ⓘ |
| hasStructureType | brick arch railway viaducts ⓘ |
| historicalSignificance |
important link between Kanto and Shinano regions
ⓘ
long-used trade and travel route ⓘ |
| knownFor |
challenging railway operations
ⓘ
challenging road route ⓘ historic transportation route ⓘ steep gradient ⓘ |
| locatedIn |
Gunma Prefecture
NERFINISHED
ⓘ
Nagano Prefecture NERFINISHED ⓘ |
| locatedInRegion | central Japan ⓘ |
| nearCity |
Annaka
NERFINISHED
ⓘ
Karuizawa NERFINISHED ⓘ |
| partOf | Japanese Alps region NERFINISHED ⓘ |
| railwayGradientType | rack-and-pinion section (historical) ⓘ |
| role | strategic route between eastern and central Japan ⓘ |
| tourism |
historic railway heritage site
ⓘ
scenic viewpoint ⓘ |
| transportRouteType |
railway route
ⓘ
road route ⓘ |
| usedSince | pre-modern times ⓘ |
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: Usui Pass Description of subject: Usui Pass is a historic and steep mountain pass in central Japan, long known as a challenging railway and road route linking Gunma and Nagano Prefectures.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.