Yamato Plain
E1045385
The Yamato Plain is a fertile lowland area in Nara Prefecture, Japan, historically significant as one of the earliest political and cultural centers of the Japanese state.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Yamato Plain canonical | 4 |
| Asuka plain | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13469086 — 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: Yamato Plain Context triple: [Kashihara, hasRegion, Yamato Plain]
-
A.
Kujūkuri Plain
Kujūkuri Plain is a coastal lowland region in Chiba Prefecture, Japan, known for its long, straight shoreline and extensive sandy beaches along the Pacific Ocean.
-
B.
Sanuki Plain
The Sanuki Plain is a fertile lowland region in Kagawa Prefecture on Japan’s Shikoku Island, known for its agriculture and historic settlements.
-
C.
Sendai Plain
The Sendai Plain is a broad coastal lowland in Japan’s Miyagi Prefecture, known for its extensive rice fields, dense urban development around Sendai City, and exposure to tsunami impacts from the Pacific Ocean.
-
D.
Shonai Plain
Shonai Plain is a fertile coastal lowland region in northwestern Honshu, Japan, known for its extensive rice cultivation and location along the Sea of Japan.
-
E.
Osaka Plain
The Osaka Plain is a large, fertile lowland area in the Kansai region of Japan that forms the core of the Osaka metropolitan area and supports dense urban development and agriculture.
- 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: Yamato Plain Target entity description: The Yamato Plain is a fertile lowland area in Nara Prefecture, Japan, historically significant as one of the earliest political and cultural centers of the Japanese state.
-
A.
Kujūkuri Plain
Kujūkuri Plain is a coastal lowland region in Chiba Prefecture, Japan, known for its long, straight shoreline and extensive sandy beaches along the Pacific Ocean.
-
B.
Sanuki Plain
The Sanuki Plain is a fertile lowland region in Kagawa Prefecture on Japan’s Shikoku Island, known for its agriculture and historic settlements.
-
C.
Sendai Plain
The Sendai Plain is a broad coastal lowland in Japan’s Miyagi Prefecture, known for its extensive rice fields, dense urban development around Sendai City, and exposure to tsunami impacts from the Pacific Ocean.
-
D.
Shonai Plain
Shonai Plain is a fertile coastal lowland region in northwestern Honshu, Japan, known for its extensive rice cultivation and location along the Sea of Japan.
-
E.
Osaka Plain
The Osaka Plain is a large, fertile lowland area in the Kansai region of Japan that forms the core of the Osaka metropolitan area and supports dense urban development and agriculture.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
geographical region
ⓘ
historical region ⓘ plain ⓘ |
| associatedWith |
Yamato polity
ⓘ
early Japanese state formation ⓘ |
| associatedWithPeriod |
Asuka period
ⓘ
Kofun period ⓘ Yayoi period ⓘ |
| boundedBy |
Ikoma Mountains
ⓘ
Kii Mountains ⓘ Kongō Range ⓘ
linked to:
Kongō mountain range
Yamato Plateau ⓘ |
| climate | humid subtropical climate ⓘ |
| contains |
Asuka area
ⓘ
Kashihara NERFINISHED ⓘ Nara Basin ⓘ Sakurai ⓘ Tenri ⓘ Yamatokoriyama ⓘ |
| country | Japan ⓘ |
| drainedBy |
Asuka River
ⓘ
Saho River NERFINISHED ⓘ Tomio River ⓘ Yamato River ⓘ |
| hasArchaeologicalSite |
Asuka-Fujiwara archaeological sites
ⓘ
linked to:
Fujiwara-kyō site
Mozu-Furuichi Kofun Group ⓘ
linked to:
Sakai Mozu Kofun Group
|
| hasCharacteristic |
fertile
ⓘ
lowland ⓘ |
| historicalLanguage | Old Japanese ⓘ |
| historicalRole |
early cultural center of Japan
ⓘ
early political center of Japan ⓘ |
| knownFor |
ancient Buddhist temples
ⓘ
dense concentration of kofun tumuli ⓘ early imperial palaces ⓘ rice cultivation ⓘ |
| languageOfRegion | Japanese ⓘ |
| locatedIn |
Kansai region
ⓘ
Nara Prefecture ⓘ |
| locatedOn | Honshu ⓘ |
| near |
Nara city
ⓘ
linked to:
Nara
|
| partOf |
Kinai region
ⓘ
linked to:
Kansai region
Yamato Province NERFINISHED ⓘ |
| religiousSignificance |
center of early Shinto cults
ⓘ
early center of Japanese Buddhism ⓘ |
| significance |
core area of ancient Yamato Kingdom
ⓘ
cradle of Japanese civilization ⓘ |
| terrainType | alluvial plain ⓘ |
| usedFor |
agriculture
ⓘ
settlement ⓘ |
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: Yamato Plain Description of subject: The Yamato Plain is a fertile lowland area in Nara Prefecture, Japan, historically significant as one of the earliest political and cultural centers of the Japanese state.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Yamato Plain