Kan-Etsu Expressway
E272436
The Kan-Etsu Expressway is a major Japanese expressway connecting the Tokyo metropolitan area with Gunma and Niigata Prefectures, serving as a key route to the Sea of Japan coast and popular ski and hot spring regions.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Kan-Etsu Expressway canonical | 9 |
How this entity was disambiguated
This entity first appeared as the object of triple T2327818 — 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: Kan-Etsu Expressway Context triple: [Saitama Prefecture, hasExpressway, Kan-Etsu Expressway]
-
A.
Nishi-Meihan Expressway
Nishi-Meihan Expressway is a major expressway in Japan’s Kansai region that connects parts of Osaka and Nara Prefectures, serving as an important route for regional traffic and logistics.
-
B.
Shin-Meishin Expressway
The Shin-Meishin Expressway is a major Japanese expressway that serves as an alternative and bypass route to the original Meishin Expressway, helping to alleviate congestion in the Kansai region.
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C.
Meishin Expressway
The Meishin Expressway is a major Japanese toll highway linking the Nagoya and Kobe regions, forming a key part of the transportation network in the Kansai area.
-
D.
Tōmei Expressway
The Tōmei Expressway is a major Japanese expressway connecting Tokyo and Nagoya, serving as a key artery for traffic and freight along the Pacific coast of Honshu.
-
E.
Kyoto-Jukan Expressway
The Kyoto-Jukan Expressway is a major expressway in Japan that connects the Kyoto area with the northern part of the Kansai region, improving access to the Sea of Japan coast.
- 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: Kan-Etsu Expressway Target entity description: The Kan-Etsu Expressway is a major Japanese expressway connecting the Tokyo metropolitan area with Gunma and Niigata Prefectures, serving as a key route to the Sea of Japan coast and popular ski and hot spring regions.
-
A.
Nishi-Meihan Expressway
Nishi-Meihan Expressway is a major expressway in Japan’s Kansai region that connects parts of Osaka and Nara Prefectures, serving as an important route for regional traffic and logistics.
-
B.
Shin-Meishin Expressway
The Shin-Meishin Expressway is a major Japanese expressway that serves as an alternative and bypass route to the original Meishin Expressway, helping to alleviate congestion in the Kansai region.
-
C.
Meishin Expressway
The Meishin Expressway is a major Japanese toll highway linking the Nagoya and Kobe regions, forming a key part of the transportation network in the Kansai area.
-
D.
Tōmei Expressway
The Tōmei Expressway is a major Japanese expressway connecting Tokyo and Nagoya, serving as a key artery for traffic and freight along the Pacific coast of Honshu.
-
E.
Kyoto-Jukan Expressway
The Kyoto-Jukan Expressway is a major expressway in Japan that connects the Kyoto area with the northern part of the Kansai region, improving access to the Sea of Japan coast.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
expressway
ⓘ
toll road ⓘ |
| abbreviation | Kan-Etsu EXP ⓘ |
| belongsToRegion |
Chūbu region
ⓘ
Kantō region ⓘ |
| connectsPrefecture |
Gunma Prefecture
NERFINISHED
ⓘ
Niigata Prefecture NERFINISHED ⓘ |
| connectsRegion | Tokyo metropolitan area ⓘ |
| country | Japan ⓘ |
| hasAccessControl | fully controlled access ⓘ |
| hasLaneConfiguration | dual carriageway ⓘ |
| hasRoadStandard | national expressway standard of Japan ⓘ |
| hasRoadSurface | paved ⓘ |
| hasServiceAreaType |
parking areas
ⓘ
service areas ⓘ |
| hasSpeedLimitType | expressway speed limits ⓘ |
| hasTollSystem | electronic toll collection ⓘ |
| hasTraffic |
long-distance traffic
ⓘ
seasonal tourist traffic ⓘ |
| isImportantFor |
access to Niigata port areas
ⓘ
access to winter sports areas ⓘ |
| isKeyRouteTo |
Sea of Japan coast
ⓘ
hot spring regions in Gunma Prefecture ⓘ hot spring regions in Niigata Prefecture ⓘ ski regions in Gunma Prefecture ⓘ ski regions in Niigata Prefecture ⓘ |
| languageOfName | Japanese ⓘ |
| operator | East Nippon Expressway Company ⓘ |
| partOfNetwork |
Japanese national expressway network
ⓘ
surface form:
national expressway network of Japan
|
| passesPrefecture |
Gunma Prefecture
NERFINISHED
ⓘ
Niigata Prefecture NERFINISHED ⓘ Saitama Prefecture NERFINISHED ⓘ |
| primaryFunction |
access to tourist destinations
ⓘ
intercity transportation ⓘ |
| roadType | limited-access highway ⓘ |
| servesCity |
Niigata
ⓘ
Tokyo ⓘ |
| servesCoast | Sea of Japan ⓘ |
| servesPrefecture |
Gunma Prefecture
NERFINISHED
ⓘ
Niigata Prefecture NERFINISHED ⓘ Saitama Prefecture NERFINISHED ⓘ |
| servesRegionType |
hot spring resort areas
ⓘ
ski resort areas ⓘ |
| terminusDirection |
north
ⓘ
south ⓘ |
| usedFor |
freight transport
ⓘ
private automobile travel ⓘ tourist traffic ⓘ |
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: Kan-Etsu Expressway Description of subject: The Kan-Etsu Expressway is a major Japanese expressway connecting the Tokyo metropolitan area with Gunma and Niigata Prefectures, serving as a key route to the Sea of Japan coast and popular ski and hot spring regions.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Saitama Prefecture
subject surface form:
Takasaki