Chūō Expressway
E587501
The Chūō Expressway is a major Japanese expressway that runs westward from Tokyo through Hachiōji and the inland Chūbu region, serving as a key route between the capital and central Honshu.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Chūō Expressway canonical | 6 |
| Chuo Expressway | 3 |
| 中央自動車道 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5852026 — 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: Chūō Expressway Context triple: [Hachiōji, hasTransport, Chūō Expressway]
-
A.
Seto-Chuo Expressway
The Seto-Chuo Expressway is a major Japanese expressway that forms part of the road network crossing the Seto Inland Sea via the Seto Ohashi Bridge system, linking Honshu and Shikoku.
-
B.
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.
-
C.
Joshin-etsu Expressway
The Joshin-etsu Expressway is a major Japanese expressway connecting the Kanto region with the mountainous Joshinetsu area, facilitating travel between cities such as Takasaki and Nagano.
-
D.
Tokyo Gaikan Expressway
The Tokyo Gaikan Expressway is a major orbital expressway forming part of the ring road system around the Tokyo metropolitan area in Japan.
-
E.
Tōkai-Kanjō Expressway
The Tōkai-Kanjō Expressway is a major regional expressway in Japan that forms a loop around the Tōkai metropolitan area, connecting key cities and industrial zones in Aichi and surrounding prefectures.
- 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: Chūō Expressway Target entity description: The Chūō Expressway is a major Japanese expressway that runs westward from Tokyo through Hachiōji and the inland Chūbu region, serving as a key route between the capital and central Honshu.
-
A.
Seto-Chuo Expressway
The Seto-Chuo Expressway is a major Japanese expressway that forms part of the road network crossing the Seto Inland Sea via the Seto Ohashi Bridge system, linking Honshu and Shikoku.
-
B.
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.
-
C.
Joshin-etsu Expressway
The Joshin-etsu Expressway is a major Japanese expressway connecting the Kanto region with the mountainous Joshinetsu area, facilitating travel between cities such as Takasaki and Nagano.
-
D.
Tokyo Gaikan Expressway
The Tokyo Gaikan Expressway is a major orbital expressway forming part of the ring road system around the Tokyo metropolitan area in Japan.
-
E.
Tōkai-Kanjō Expressway
The Tōkai-Kanjō Expressway is a major regional expressway in Japan that forms a loop around the Tōkai metropolitan area, connecting key cities and industrial zones in Aichi and surrounding prefectures.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
expressway
ⓘ
toll road ⓘ |
| connectsCity |
Nagoya
NERFINISHED
ⓘ
Tokyo NERFINISHED ⓘ |
| connectsRegion |
Chūbu region
NERFINISHED
ⓘ
Kantō region NERFINISHED ⓘ |
| country | Japan ⓘ |
| hasJunctionWith |
Chūō Expressway Nagano route
NERFINISHED
ⓘ
Kan-Etsu Expressway NERFINISHED ⓘ Tōmei Expressway NERFINISHED ⓘ |
| hasLaneConfiguration | four or more lanes on many sections ⓘ |
| hasRestArea | multiple parking areas and service areas ⓘ |
| hasServiceArea |
Dangozaka Service Area
NERFINISHED
ⓘ
Enakyo Service Area NERFINISHED ⓘ Hachiōji Service Area NERFINISHED ⓘ Suwa Lake Service Area NERFINISHED ⓘ |
| hasSpeedLimit | typically 80–100 km/h ⓘ |
| hasStructure |
long bridges
ⓘ
tunnels ⓘ viaducts ⓘ |
| languageOfName | Japanese ⓘ |
| locatedIn | Honshu ⓘ |
| maintainedBy |
NEXCO Central Japan
NERFINISHED
ⓘ
NEXCO East Japan NERFINISHED ⓘ |
| majorFunction | key route between Tokyo and central Honshu ⓘ |
| nameMeaning | Central Expressway NERFINISHED ⓘ |
| notableFor |
access to ski resorts in central Honshu
ⓘ
scenic mountain views ⓘ |
| openedInPart |
1960s
ⓘ
1970s ⓘ |
| partOf | national expressway network of Japan ⓘ |
| passesNear | Mount Fuji NERFINISHED ⓘ |
| passesThroughPrefecture |
Aichi Prefecture
NERFINISHED
ⓘ
Gifu Prefecture NERFINISHED ⓘ Kanagawa Prefecture NERFINISHED ⓘ Nagano Prefecture NERFINISHED ⓘ Tokyo Prefecture NERFINISHED ⓘ Yamanashi Prefecture NERFINISHED ⓘ |
| roadType | dual carriageway ⓘ |
| runsFrom | Tokyo NERFINISHED ⓘ |
| runsThrough |
Chūbu region
NERFINISHED
ⓘ
Hachiōji NERFINISHED ⓘ |
| runsWestwardFrom | Tokyo NERFINISHED ⓘ |
| servesTrafficType |
commuter traffic
ⓘ
long-distance traffic ⓘ tourist traffic ⓘ |
| supportsElectronicTollCollection | ETC ⓘ |
| tollSystem | closed toll system ⓘ |
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: Chūō Expressway Description of subject: The Chūō Expressway is a major Japanese expressway that runs westward from Tokyo through Hachiōji and the inland Chūbu region, serving as a key route between the capital and central Honshu.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Chuo Expressway
this entity surface form:
Chuo Expressway
this entity surface form:
中央自動車道
this entity surface form:
Chuo Expressway