Iruma River (nearby)
E944556
Iruma River (nearby) is a river in Saitama Prefecture, Japan, that flows close to the historic city of Kawagoe and contributes to its local landscape and environment.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Iruma River (nearby) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11745091 — 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: Iruma River (nearby) Context triple: [Kawagoe, hasRiver, Iruma River (nearby)]
-
A.
Maruyama River valley
Maruyama River valley is a scenic river valley in Hyōgo Prefecture, Japan, known for its misty landscapes and rural vistas often viewed from the nearby Takeda Castle Ruins.
-
B.
Naruse River
The Naruse River is a significant river in Japan’s Tōhoku region, flowing through Miyagi Prefecture and supporting local agriculture and communities along its course.
-
C.
Yumesaki River
The Yumesaki River is a waterway in Hyōgo Prefecture, Japan, that flows through the city of Himeji and contributes to its local landscape and ecosystem.
-
D.
Reie river
The Reie river is a historic waterway in Bruges, Belgium, whose canals and branches helped shape the city’s medieval layout and picturesque character.
-
E.
Maruyama River
Maruyama River is a major river in northern Hyōgo Prefecture, Japan, known for flowing through Toyooka and supporting the region’s agriculture, ecosystems, and scenic landscapes.
- 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: Iruma River (nearby) Target entity description: Iruma River (nearby) is a river in Saitama Prefecture, Japan, that flows close to the historic city of Kawagoe and contributes to its local landscape and environment.
-
A.
Maruyama River valley
Maruyama River valley is a scenic river valley in Hyōgo Prefecture, Japan, known for its misty landscapes and rural vistas often viewed from the nearby Takeda Castle Ruins.
-
B.
Naruse River
The Naruse River is a significant river in Japan’s Tōhoku region, flowing through Miyagi Prefecture and supporting local agriculture and communities along its course.
-
C.
Yumesaki River
The Yumesaki River is a waterway in Hyōgo Prefecture, Japan, that flows through the city of Himeji and contributes to its local landscape and ecosystem.
-
D.
Reie river
The Reie river is a historic waterway in Bruges, Belgium, whose canals and branches helped shape the city’s medieval layout and picturesque character.
-
E.
Maruyama River
Maruyama River is a major river in northern Hyōgo Prefecture, Japan, known for flowing through Toyooka and supporting the region’s agriculture, ecosystems, and scenic landscapes.
- F. None of above. chosen
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| borderOf | some municipal boundaries in Saitama Prefecture ⓘ |
| contributesTo |
local environment of Kawagoe
ⓘ
local landscape of Kawagoe ⓘ |
| country | Japan ⓘ |
| drainageBasin | Saitama Prefecture NERFINISHED ⓘ |
| flowsNear | Kawagoe NERFINISHED ⓘ |
| flowsThrough | Saitama Prefecture ⓘ |
| hasCulturalSignificance | local residents of Kawagoe area ⓘ |
| hasFloodRisk | yes ⓘ |
| hasNameInLanguage | 入間川 ⓘ |
| hasRecreationArea |
cycling routes
ⓘ
riverside walking paths ⓘ |
| influences |
local ecosystems
ⓘ
riparian vegetation ⓘ |
| isSubjectOf |
local environmental conservation efforts
ⓘ
riverbank improvement projects ⓘ |
| languageOfName | Japanese ⓘ |
| locatedIn |
Kantō region
ⓘ
Kawagoe NERFINISHED ⓘ Saitama Prefecture ⓘ |
| locatedNear | Tokyo metropolitan area ⓘ |
| mentionedIn | local tourism information of Kawagoe ⓘ |
| near |
Ageo
ⓘ
Fujimi ⓘ Iruma City NERFINISHED ⓘ Sayama ⓘ agricultural land in Saitama Prefecture ⓘ historic district of Kawagoe ⓘ residential areas of Kawagoe ⓘ |
| partOf |
Arakawa river system
ⓘ
linked to:
Arakawa River basin
regional water resources of Saitama Prefecture ⓘ |
| subjectOf | local flood control measures ⓘ |
| supports |
aquatic life
ⓘ
bird habitats ⓘ |
| typeOfWaterBody | freshwater river ⓘ |
| usedFor |
fishing
ⓘ
local festivals and events along the riverbanks ⓘ recreation ⓘ waterside parks ⓘ |
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: Iruma River (nearby) Description of subject: Iruma River (nearby) is a river in Saitama Prefecture, Japan, that flows close to the historic city of Kawagoe and contributes to its local landscape and environment.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.