Iwamizawa Service Area
E1032499
Iwamizawa Service Area is a roadside rest and service facility located along Japan’s Hokkaido Expressway, offering travelers amenities such as parking, restrooms, food, and shops.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Iwamizawa Service Area canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13285491 — 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: Iwamizawa Service Area Context triple: [Hokkaido Expressway, hasServiceArea, Iwamizawa Service Area]
-
A.
Ōtsu Service Area
Ōtsu Service Area is a major roadside rest and service complex in Ōtsu, Shiga Prefecture, known for its facilities, food options, and views for travelers on the Meishin Expressway.
-
B.
Sukagawa Service Area
Sukagawa Service Area is a roadside rest and service facility located along Japan’s Tohoku Expressway, offering travelers amenities such as food, restrooms, and parking.
-
C.
Moriya Service Area
Moriya Service Area is a roadside rest and service complex along Japan’s Jōban Expressway offering drivers facilities such as food, restrooms, and parking.
-
D.
Morioka Service Area
Morioka Service Area is a major roadside rest and service facility in Morioka, Iwate Prefecture, offering food, shopping, and amenities to travelers along the Tohoku Expressway.
-
E.
Sunagawa Service Area
Sunagawa Service Area is a roadside rest and service facility in Hokkaido, Japan, offering amenities such as food, restrooms, and parking for travelers along the expressway.
- 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: Iwamizawa Service Area Target entity description: Iwamizawa Service Area is a roadside rest and service facility located along Japan’s Hokkaido Expressway, offering travelers amenities such as parking, restrooms, food, and shops.
-
A.
Ōtsu Service Area
Ōtsu Service Area is a major roadside rest and service complex in Ōtsu, Shiga Prefecture, known for its facilities, food options, and views for travelers on the Meishin Expressway.
-
B.
Sukagawa Service Area
Sukagawa Service Area is a roadside rest and service facility located along Japan’s Tohoku Expressway, offering travelers amenities such as food, restrooms, and parking.
-
C.
Moriya Service Area
Moriya Service Area is a roadside rest and service complex along Japan’s Jōban Expressway offering drivers facilities such as food, restrooms, and parking.
-
D.
Morioka Service Area
Morioka Service Area is a major roadside rest and service facility in Morioka, Iwate Prefecture, offering food, shopping, and amenities to travelers along the Tohoku Expressway.
-
E.
Sunagawa Service Area
Sunagawa Service Area is a roadside rest and service facility in Hokkaido, Japan, offering amenities such as food, restrooms, and parking for travelers along the expressway.
- F. None of above. chosen
Statements (32)
| Predicate | Object |
|---|---|
| instanceOf |
highway service facility
ⓘ
roadside rest area ⓘ service area ⓘ |
| accessibleBy | motor vehicles ⓘ |
| country | Japan ⓘ |
| hasAmenity |
food court
ⓘ
information desk ⓘ parking ⓘ parking area for buses ⓘ parking area for passenger cars ⓘ parking area for trucks ⓘ restaurants ⓘ restrooms ⓘ seating area ⓘ shops ⓘ vending machines ⓘ |
| hasCategory |
Road transport in Hokkaido
ⓘ
Service areas of Japan ⓘ |
| hasFacilityType | expressway service area ⓘ |
| hasFunction |
food service
ⓘ
rest stop ⓘ retail services ⓘ |
| hasLanguage | Japanese ⓘ |
| hasRegion |
Hokkaido region
ⓘ
linked to:
Hokkaido
|
| locatedIn |
Hokkaido
ⓘ
Iwamizawa, Hokkaido ⓘ |
| locatedOn | Hokkaido Expressway ⓘ |
| operatedAs | 24-hour facility ⓘ |
| partOf | Hokkaido Expressway service area network ⓘ |
| serves |
drivers
ⓘ
long-distance travelers ⓘ tourists ⓘ |
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: Iwamizawa Service Area Description of subject: Iwamizawa Service Area is a roadside rest and service facility located along Japan’s Hokkaido Expressway, offering travelers amenities such as parking, restrooms, food, and shops.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.