Dōtō Expressway
E423045
The Dōtō Expressway is a major expressway in Hokkaido, Japan, connecting eastern regions such as Obihiro with other parts of the island to support regional travel and freight transport.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Dōō Expressway | 2 |
| Dō-Ō Expressway | 1 |
| Dōtō Expressway canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4225984 — 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: Dōtō Expressway Context triple: [Obihiro, roadAccess, Dōtō Expressway]
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
Nishiseto Expressway
The Nishiseto Expressway is a scenic expressway in western Japan that links Japan’s main island of Honshu with Shikoku via a series of bridges across the Seto Inland Sea.
-
E.
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.
- 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: Dōtō Expressway Target entity description: The Dōtō Expressway is a major expressway in Hokkaido, Japan, connecting eastern regions such as Obihiro with other parts of the island to support regional travel and freight transport.
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
Nishiseto Expressway
The Nishiseto Expressway is a scenic expressway in western Japan that links Japan’s main island of Honshu with Shikoku via a series of bridges across the Seto Inland Sea.
-
E.
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.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
expressway
ⓘ
toll road ⓘ |
| accessRestriction | motor-vehicle-only road ⓘ |
| connectsRegion |
Tokachi region
ⓘ
eastern Hokkaido to central Hokkaido ⓘ |
| connectsTo |
Obihiro
ⓘ
central Hokkaido ⓘ other parts of Hokkaido ⓘ |
| country | Japan ⓘ |
| hasLanes | dual carriageway on many sections ⓘ |
| hasLanguageOfName | Japanese ⓘ |
| hasToll | yes ⓘ |
| infrastructureType | limited-access highway ⓘ |
| isPartOf | national expressway system of Japan ⓘ |
| locatedIn | Hokkaido ⓘ |
| maintainedBy | expressway operators in Japan ⓘ |
| nameLanguage | English transliteration ⓘ |
| nameScript | Latin alphabet ⓘ |
| purpose |
freight transport
ⓘ
regional travel ⓘ |
| regionServed |
Obihiro area
ⓘ
eastern Hokkaido ⓘ |
| roadFunction | intercity expressway ⓘ |
| roadType | high-standard arterial highway ⓘ |
| supports |
industrial freight movement in Hokkaido
ⓘ
logistics in eastern Hokkaido ⓘ long-distance travel in Hokkaido ⓘ tourism access to eastern Hokkaido ⓘ |
| trafficType | motor vehicles only ⓘ |
| transportNetwork |
Hokkaido expressway network
ⓘ
linked to:
Hokkaido Expressway
|
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: Dōtō Expressway Description of subject: The Dōtō Expressway is a major expressway in Hokkaido, Japan, connecting eastern regions such as Obihiro with other parts of the island to support regional travel and freight transport.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Dōtō Expressway
linked to: Dōtō Expressway
linked to: Dōtō Expressway