Jōban Expressway
E704666
Jōban Expressway is a major Japanese expressway running along the Pacific coast of eastern Honshu, connecting the Tokyo area with the Tōhoku region.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Jōban Expressway canonical | 23 |
How this entity was disambiguated
This entity first appeared as the object of triple T7959979 — 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: Jōban Expressway Context triple: [Mito, Ibaraki, Japan, hasRoad, Jōban Expressway]
-
A.
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.
-
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.
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.
-
E.
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.
- 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: Jōban Expressway Target entity description: Jōban Expressway is a major Japanese expressway running along the Pacific coast of eastern Honshu, connecting the Tokyo area with the Tōhoku region.
-
A.
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.
-
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.
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.
-
E.
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.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
expressway
ⓘ
toll road ⓘ |
| abbreviation | E6 ⓘ |
| connectsCity |
Iwaki
ⓘ
Mito ⓘ Sendai ⓘ Tokyo ⓘ |
| connectsRegion |
Tokyo area
ⓘ
linked to:
Tokyo metropolitan area
Tōhoku region ⓘ
linked to:
Tohoku
|
| country | Japan ⓘ |
| followsCoastOf | Pacific Ocean ⓘ |
| hasAccessControl | fully controlled-access ⓘ |
| hasJunctionType | grade-separated interchanges ⓘ |
| hasLaneConfiguration | dual carriageway on most sections ⓘ |
| hasNameInJapanese | 常磐自動車道 ⓘ |
| hasRestArea | multiple parking areas ⓘ |
| hasRouteNumber | E6 ⓘ |
| hasServiceArea |
Moriya Service Area
ⓘ
Naka Service Area ⓘ Tomobe Service Area ⓘ Watari Service Area ⓘ
linked to:
Yotsukura Service Area
Yotsukura Service Area ⓘ |
| hasSpeedLimit | typically 100 km/h on many sections ⓘ |
| hasStructureType |
bridges
ⓘ
tunnels ⓘ viaducts ⓘ |
| hasTollSystem | electronic toll collection ⓘ |
| isDesignatedAs | national expressway route ⓘ |
| isImportantFor |
commuter and regional traffic in eastern Honshu
ⓘ
freight transport between Tokyo and Tōhoku ⓘ |
| isPartOfCorridor | north–south transport corridor on Pacific side of Japan ⓘ |
| languageOfName | Japanese ⓘ |
| locatedIn |
Honshu
ⓘ
eastern Honshu ⓘ |
| maintainedBy | East Nippon Expressway Company ⓘ |
| openedInPeriod | late 20th century ⓘ |
| parallelTo | Jōban Line (railway) in many sections ⓘ |
| partOfNetwork | national expressway network of Japan ⓘ |
| passesThroughPrefecture |
Chiba Prefecture
NERFINISHED
ⓘ
Fukushima Prefecture ⓘ Ibaraki Prefecture ⓘ Iwate Prefecture ⓘ Miyagi Prefecture ⓘ Tokyo Prefecture ⓘ |
| runsAlong | Pacific coast of eastern Honshu ⓘ |
| servesFunction |
bypass for National Route 6
ⓘ
long-distance traffic between Kantō and Tōhoku ⓘ |
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: Jōban Expressway Description of subject: Jōban Expressway is a major Japanese expressway running along the Pacific coast of eastern Honshu, connecting the Tokyo area with the Tōhoku region.
Referenced by (23)
Full triples — surface form annotated when it differs from this entity's canonical label.