Chūgoku Expressway
E261010
The Chūgoku Expressway is a major Japanese expressway running through the Chūgoku region of Honshu, forming an important arterial route that connects with several other key expressways.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Chugoku Expressway | 3 |
| Chūgoku Expressway canonical | 3 |
| Chūgoku-Ōdan Expressway | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2284930 — 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: Chūgoku Expressway Context triple: [Meishin Expressway, hasJunctionWith, Chūgoku Expressway]
-
A.
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.
-
B.
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.
-
C.
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.
-
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.
Higashi-Kanto Expressway
The Higashi-Kanto Expressway is a major Japanese expressway in the Kanto region that connects the Tokyo area with Chiba Prefecture and serves as a key route to Narita International Airport.
- 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: Chūgoku Expressway Target entity description: The Chūgoku Expressway is a major Japanese expressway running through the Chūgoku region of Honshu, forming an important arterial route that connects with several other key expressways.
-
A.
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.
-
B.
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.
-
C.
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.
-
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.
Higashi-Kanto Expressway
The Higashi-Kanto Expressway is a major Japanese expressway in the Kanto region that connects the Tokyo area with Chiba Prefecture and serves as a key route to Narita International Airport.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
expressway
ⓘ
road in Japan ⓘ toll road ⓘ |
| abbreviation |
Chūgoku EXP
ⓘ
中国自動車道 ⓘ |
| accessControl | fully controlled-access ⓘ |
| connectsCity |
Himeji
ⓘ
Hiroshima ⓘ Kobe, Hyogo, Japan ⓘ
surface form:
Kobe
Okayama ⓘ Osaka ⓘ Shimonoseki ⓘ Yamaguchi Prefecture ⓘ
surface form:
Yamaguchi
|
| connectsWith |
Chūgoku Expressway
self-linksurface differs
ⓘ
surface form:
Chūgoku-Ōdan Expressway
Hamada Expressway ⓘ Himeji Bypass ⓘ Kinki Expressway ⓘ
surface form:
Kinki Expressway network
Meishin Expressway ⓘ Sanyō Expressway ⓘ Yonago Expressway ⓘ |
| constructionType | phased construction ⓘ |
| country | Japan ⓘ |
| endsNear | Shimonoseki ⓘ |
| formsPartOf | east–west arterial route across western Honshu ⓘ |
| hasJunction |
Kobe Junction
ⓘ
Sanyō Expressway junctions in Hiroshima Prefecture ⓘ Nishinomiya Interchange ⓘ
surface form:
Takarazuka Interchange
|
| hasLaneConfiguration | dual carriageway ⓘ |
| hasRouteNumber | E2A ⓘ |
| hasSpeedLimit | typically 80–100 km/h ⓘ |
| language | ja ⓘ |
| locatedIn | Honshu ⓘ |
| locatedInRegion | Chūgoku region ⓘ |
| maintainedBy |
NEXCO West Japan
ⓘ
surface form:
West Nippon Expressway Company
|
| opened | 1970s ⓘ |
| parallelTo | Sanyō Expressway in parts of Chūgoku region ⓘ |
| partOfNetwork | national expressway network of Japan ⓘ |
| passesThroughPrefecture |
Hiroshima Prefecture
NERFINISHED
ⓘ
Hyōgo Prefecture NERFINISHED ⓘ Okayama Prefecture NERFINISHED ⓘ Osaka Prefecture ⓘ Yamaguchi Prefecture NERFINISHED ⓘ |
| roadType | national expressway ⓘ |
| role |
intercity passenger route
ⓘ
major freight corridor ⓘ |
| startsNear | Osaka Prefecture ⓘ |
| surface | asphalt ⓘ |
| tollCollection | ETC electronic toll collection supported ⓘ |
| 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: Chūgoku Expressway Description of subject: The Chūgoku Expressway is a major Japanese expressway running through the Chūgoku region of Honshu, forming an important arterial route that connects with several other key expressways.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Chugoku Expressway
this entity surface form:
Chugoku Expressway
this entity surface form:
Chūgoku-Ōdan Expressway
this entity surface form:
Chugoku Expressway