Tateyama Expressway
E542605
The Tateyama Expressway is a major Japanese toll road in Chiba Prefecture that connects the Tokyo metropolitan area with the southern part of the Boso Peninsula.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Tateyama Expressway canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T5709174 — 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: Tateyama Expressway Context triple: [Boso Peninsula, hasTransportation, Tateyama Expressway]
-
A.
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.
-
B.
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.
-
C.
Kan-Etsu Expressway
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.
-
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.
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.
- 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: Tateyama Expressway Target entity description: The Tateyama Expressway is a major Japanese toll road in Chiba Prefecture that connects the Tokyo metropolitan area with the southern part of the Boso Peninsula.
-
A.
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.
-
B.
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.
-
C.
Kan-Etsu Expressway
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.
-
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.
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.
- F. None of above. chosen
Statements (36)
| Predicate | Object |
|---|---|
| instanceOf |
expressway
ⓘ
road in Japan ⓘ toll road ⓘ |
| accessControl | controlled-access highway ⓘ |
| connectsWith |
Bōsō Peninsula
ⓘ
Tokyo metropolitan area ⓘ southern Bōsō Peninsula ⓘ
linked to:
Bōsō Peninsula
|
| country | Japan ⓘ |
| hasAccess |
interchanges
ⓘ
parking areas ⓘ service areas ⓘ |
| hasJunctionWith | other expressways in Chiba Prefecture ⓘ |
| hasLaneConfiguration | dual carriageway on most sections ⓘ |
| hasToll | yes ⓘ |
| hasTollSystem | electronic toll collection compatible ⓘ |
| isImportantFor |
access to southern Bōsō Peninsula resorts
ⓘ
freight transport in Chiba Prefecture ⓘ tourism in Chiba Prefecture ⓘ |
| isPartOfTransportNetwork |
road transport in Chiba Prefecture
ⓘ
road transport in the Tokyo metropolitan area ⓘ |
| languageOfOfficialName | Japanese ⓘ |
| locatedInAdministrativeTerritorialEntity |
Chiba Prefecture
ⓘ
linked to:
Chiba
|
| locatedOnPeninsula | Bōsō Peninsula ⓘ |
| maintainedBy | East Nippon Expressway Company ⓘ |
| officialName | 館山自動車道 ⓘ |
| partOf |
East Nippon Expressway network
ⓘ
linked to:
Japanese national expressway network
|
| regionServed | Kantō region ⓘ |
| roadSurface | paved ⓘ |
| roadType | national expressway ⓘ |
| speedLimit | expressway speed limits in Japan ⓘ |
| terminus |
Tokyo metropolitan area
ⓘ
southern Chiba Prefecture ⓘ |
| traverses |
Chiba Prefecture
ⓘ
linked to:
Chiba
|
| usedFor |
long-distance travel
ⓘ
motor vehicle traffic ⓘ regional commuting ⓘ |
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: Tateyama Expressway Description of subject: The Tateyama Expressway is a major Japanese toll road in Chiba Prefecture that connects the Tokyo metropolitan area with the southern part of the Boso Peninsula.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Boso Peninsula region of Japan