Sanuki Plain
E482385
The Sanuki Plain is a fertile lowland region in Kagawa Prefecture on Japan’s Shikoku Island, known for its agriculture and historic settlements.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Sanuki Plain canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T4699217 — 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: Sanuki Plain Context triple: [Zentsuji, Kagawa Prefecture, locatedIn, Sanuki Plain]
-
A.
Nara Basin
The Nara Basin is a lowland plain in central Japan known as the historical heart of Nara Prefecture, containing many of Japan’s earliest capitals and cultural heritage sites.
-
B.
Harima coastal plain
The Harima coastal plain is a low-lying coastal region in southwestern Hyōgo Prefecture, Japan, known for its industrial zones, ports, and urban development along the Seto Inland Sea.
-
C.
Kanto Plain
The Kanto Plain is Japan's largest and most populous lowland region, encompassing Tokyo and surrounding urban and agricultural areas on central Honshu.
-
D.
Shikoku Basin
Shikoku Basin is a back-arc basin in the Philippine Sea, located south of Japan and formed by seafloor spreading behind the Izu–Bonin–Mariana volcanic arc.
-
E.
Setouchi
Setouchi is a coastal town on Japan’s Amami Ōshima known for its subtropical climate, scenic bays, and traditional island culture.
- 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: Sanuki Plain Target entity description: The Sanuki Plain is a fertile lowland region in Kagawa Prefecture on Japan’s Shikoku Island, known for its agriculture and historic settlements.
-
A.
Nara Basin
The Nara Basin is a lowland plain in central Japan known as the historical heart of Nara Prefecture, containing many of Japan’s earliest capitals and cultural heritage sites.
-
B.
Harima coastal plain
The Harima coastal plain is a low-lying coastal region in southwestern Hyōgo Prefecture, Japan, known for its industrial zones, ports, and urban development along the Seto Inland Sea.
-
C.
Kanto Plain
The Kanto Plain is Japan's largest and most populous lowland region, encompassing Tokyo and surrounding urban and agricultural areas on central Honshu.
-
D.
Shikoku Basin
Shikoku Basin is a back-arc basin in the Philippine Sea, located south of Japan and formed by seafloor spreading behind the Izu–Bonin–Mariana volcanic arc.
-
E.
Setouchi
Setouchi is a coastal town on Japan’s Amami Ōshima known for its subtropical climate, scenic bays, and traditional island culture.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
geographical region
ⓘ
plain ⓘ |
| borderedBy |
Sanuki Mountains
NERFINISHED
ⓘ
Seto Inland Sea coast NERFINISHED ⓘ |
| country | Japan ⓘ |
| hasAgriculturalProduct |
flowers
ⓘ
fruit ⓘ rice ⓘ vegetables ⓘ |
| hasCharacteristic |
fertile
ⓘ
lowland ⓘ |
| hasClimate |
Seto Inland Sea climate
ⓘ
relatively mild climate ⓘ |
| hasCulturalRegion | Sanuki region NERFINISHED ⓘ |
| hasEconomicActivity |
agricultural production
ⓘ
urban settlement ⓘ |
| hasHydrology |
irrigation canals
ⓘ
small rivers ⓘ |
| hasLandUse | intensive agriculture ⓘ |
| hasMajorCity |
Marugame
NERFINISHED
ⓘ
Mitoyo NERFINISHED ⓘ Sakaide NERFINISHED ⓘ Takamatsu NERFINISHED ⓘ Zentsuji NERFINISHED ⓘ |
| hasNameOrigin | Sanuki Province NERFINISHED ⓘ |
| hasSoil | alluvial soil ⓘ |
| hasTopography |
flat
ⓘ
gently sloping ⓘ |
| hasTransportationRole |
corridor for railways
ⓘ
corridor for roads ⓘ |
| knownFor |
agriculture
ⓘ
historic settlements ⓘ |
| language | Japanese ⓘ |
| locatedIn |
Kagawa Prefecture
NERFINISHED
ⓘ
Shikoku region NERFINISHED ⓘ |
| locatedInFormerProvince | Sanuki Province NERFINISHED ⓘ |
| locatedInTimeZone | Japan Standard Time ⓘ |
| locatedNear | Seto Inland Sea NERFINISHED ⓘ |
| locatedOn | Shikoku Island NERFINISHED ⓘ |
| partOf | Seto Inland Sea coastal plains NERFINISHED ⓘ |
| supports | dense population ⓘ |
| usedFor |
field crops
ⓘ
horticulture ⓘ rice cultivation ⓘ |
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: Sanuki Plain Description of subject: The Sanuki Plain is a fertile lowland region in Kagawa Prefecture on Japan’s Shikoku Island, known for its agriculture and historic settlements.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Takamatsu-Kotohira Electric Railroad