Higashi-Kanto Expressway
E192573
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.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Higashi-Kanto Expressway canonical | 1 |
| Higashi-Kantō Expressway | 1 |
| Shuto Expressway Higashi-Kantō route | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1690029 — 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: Higashi-Kanto Expressway Context triple: [Narita International Airport, hasRoadAccess, Higashi-Kanto 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.
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.
-
D.
Kinki Expressway
The Kinki Expressway is a major Japanese expressway serving the Kansai (Kinki) region, facilitating high-speed road travel and regional connectivity around cities such as Osaka and Kyoto.
-
E.
Hanshin Expressway
The Hanshin Expressway is a major urban expressway network serving the Osaka–Kobe–Kyoto region of Japan, known for its elevated routes and heavy commuter and freight traffic.
- 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: Higashi-Kanto Expressway Target entity description: 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.
-
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.
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.
-
D.
Kinki Expressway
The Kinki Expressway is a major Japanese expressway serving the Kansai (Kinki) region, facilitating high-speed road travel and regional connectivity around cities such as Osaka and Kyoto.
-
E.
Hanshin Expressway
The Hanshin Expressway is a major urban expressway network serving the Osaka–Kobe–Kyoto region of Japan, known for its elevated routes and heavy commuter and freight traffic.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
expressway
ⓘ
toll road ⓘ |
| connectsRegion |
Chiba Prefecture
NERFINISHED
ⓘ
Tokyo metropolitan area ⓘ
surface form:
Tokyo area
|
| connectsTo |
Narita International Airport
ⓘ
Tokyo metropolitan area ⓘ
surface form:
Tokyo area
|
| country | Japan ⓘ |
| hasAccess | Narita International Airport ⓘ |
| hasDirection | east–west ⓘ |
| hasImportance | major expressway in Kantō region ⓘ |
| hasToll | yes ⓘ |
| isMajorRouteIn | Kantō region ⓘ |
| isPartOfCorridor | road corridor between Tokyo and Narita ⓘ |
| languageOfName | Japanese ⓘ |
| locatedIn |
Honshu
ⓘ
Kantō region ⓘ |
| maintainedBy | East Nippon Expressway Company ⓘ |
| partOf | national expressway network of Japan ⓘ |
| primaryFunction | access route to Narita International Airport ⓘ |
| regionServed |
Chiba Prefecture
NERFINISHED
ⓘ
Ibaraki Prefecture NERFINISHED ⓘ Tokyo ⓘ |
| roadNetworkRole | key radial route from Tokyo area ⓘ |
| roadType | expressway-standard road ⓘ |
| serves |
Chiba Prefecture
NERFINISHED
ⓘ
Tokyo metropolitan area ⓘ |
| transportMode | road transport ⓘ |
| usedFor |
airport access
ⓘ
intercity road transport ⓘ |
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: Higashi-Kanto Expressway Description of subject: 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.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Narita
this entity surface form:
Shuto Expressway Higashi-Kantō route
subject surface form:
Narita
this entity surface form:
Higashi-Kantō Expressway