Oppama, Japan
E109155
Oppama, Japan is an industrial coastal district in Yokosuka, Kanagawa Prefecture, best known for its major Nissan automobile manufacturing plant.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Oppama, Japan canonical | 5 |
| Oppama, Kanagawa, Japan | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T794165 — 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: Oppama, Japan Context triple: [Nissan Leaf, assemblyLocation, Oppama, Japan]
-
A.
Tsuyama, Japan
Tsuyama, Japan is a historic city in Okayama Prefecture known for its well-preserved castle ruins, traditional townscape, and famous cherry blossom viewing spots.
-
B.
Morioka, Japan
Morioka, Japan is a historic city in Iwate Prefecture on Japan’s main island of Honshu, known for its scenic mountain surroundings, traditional culture, and distinctive local noodle dishes.
-
C.
Omihachiman, Japan
Omihachiman is a historic city in Shiga Prefecture, Japan, known for its preserved merchant quarters, canals, and traditional architecture along the eastern shore of Lake Biwa.
-
D.
Osugi, Shikoku, Japan
Osugi in Shikoku, Japan is a small rural locality best known as the birthplace of World War II-era Imperial Japanese Army general Tomoyuki Yamashita.
-
E.
Miyazaki
Miyazaki is a coastal city on Japan’s Kyushu Island known for its mild climate, beaches, and nearby scenic attractions such as Aoshima Island.
- 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: Oppama, Japan Target entity description: Oppama, Japan is an industrial coastal district in Yokosuka, Kanagawa Prefecture, best known for its major Nissan automobile manufacturing plant.
-
A.
Tsuyama, Japan
Tsuyama, Japan is a historic city in Okayama Prefecture known for its well-preserved castle ruins, traditional townscape, and famous cherry blossom viewing spots.
-
B.
Morioka, Japan
Morioka, Japan is a historic city in Iwate Prefecture on Japan’s main island of Honshu, known for its scenic mountain surroundings, traditional culture, and distinctive local noodle dishes.
-
C.
Omihachiman, Japan
Omihachiman is a historic city in Shiga Prefecture, Japan, known for its preserved merchant quarters, canals, and traditional architecture along the eastern shore of Lake Biwa.
-
D.
Osugi, Shikoku, Japan
Osugi in Shikoku, Japan is a small rural locality best known as the birthplace of World War II-era Imperial Japanese Army general Tomoyuki Yamashita.
-
E.
Miyazaki
Miyazaki is a coastal city on Japan’s Kyushu Island known for its mild climate, beaches, and nearby scenic attractions such as Aoshima Island.
- F. None of above. chosen
Statements (39)
| Predicate | Object |
|---|---|
| instanceOf |
automobile manufacturing plant
ⓘ
district ⓘ industrial area ⓘ railway station ⓘ |
| adjacentTo | Tokyo Bay ⓘ |
| belongsTo | Yokosuka municipal administration ⓘ |
| climate | humid subtropical climate ⓘ |
| country | Japan ⓘ |
| hasCoastlineOn | Tokyo Bay ⓘ |
| hasEconomicActivity |
automobile export
ⓘ
logistics ⓘ manufacturing ⓘ |
| hasFacility | Nissan Oppama Plant ⓘ |
| hasLandUse |
industrial
ⓘ
residential ⓘ |
| hasPortFacilities | industrial port ⓘ |
| hasRailwayStation | Oppama Station ⓘ |
| knownFor |
Nissan automobile manufacturing plant
ⓘ
automotive industry ⓘ heavy industry ⓘ |
| languageUsed | Japanese ⓘ |
| locatedEastOf | Miura Peninsula interior ⓘ |
| locatedIn |
Kanagawa Prefecture
ⓘ
Kantō region ⓘ Oppama, Japan ⓘ Oppama, Japan ⓘ Yokosuka ⓘ |
| locatedOn |
Miura Peninsula
ⓘ
Tokyo Bay ⓘ |
| locatedSouthOf | Yokohama ⓘ |
| operatedBy | Keikyū ⓘ |
| operator |
Nissan Motor Co., Ltd.
ⓘ
linked to:
Nissan
|
| partOf |
Greater Tokyo Area
ⓘ
linked to:
Tokyo metropolitan area
Yokosuka, Kanagawa ⓘ
linked to:
Yokosuka
|
| servedBy | Keikyū Main Line ⓘ |
| timeZone | Japan Standard Time ⓘ |
| transportInfrastructure |
railway access
ⓘ
road network ⓘ |
| utcOffset | +09:00 ⓘ |
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: Oppama, Japan Description of subject: Oppama, Japan is an industrial coastal district in Yokosuka, Kanagawa Prefecture, best known for its major Nissan automobile manufacturing plant.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.