Sagamigawa
E933820
Sagamigawa is a major river in Kanagawa Prefecture, Japan, known for flowing through several cities and supporting local ecosystems and communities.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Sagamigawa canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T11567046 — 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: Sagamigawa Context triple: [Atsugi, river, Sagamigawa]
-
A.
Izumi
Izumi is a city located in Osaka Prefecture, Japan, known as a residential and commercial hub in the Kansai region.
-
B.
Ogawa
Ogawa is a town in Saitama Prefecture, Japan, known for its traditional Japanese paper (washi) production and its role as a local transport hub.
-
C.
Chikugo
Chikugo is a city in southwestern Japan known for its agricultural production and traditional crafts within Fukuoka Prefecture on Kyushu Island.
-
D.
Kisogawa
Kisogawa is the Japanese name for the Kiso River, a major river in central Honshu known for its scenic valleys and historical importance.
-
E.
Takinogawa
Takinogawa is a residential district in Kita Ward, Tokyo, known for its quiet neighborhoods and convenient urban access.
- 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: Sagamigawa Target entity description: Sagamigawa is a major river in Kanagawa Prefecture, Japan, known for flowing through several cities and supporting local ecosystems and communities.
-
A.
Izumi
Izumi is a city located in Osaka Prefecture, Japan, known as a residential and commercial hub in the Kansai region.
-
B.
Ogawa
Ogawa is a town in Saitama Prefecture, Japan, known for its traditional Japanese paper (washi) production and its role as a local transport hub.
-
C.
Chikugo
Chikugo is a city in southwestern Japan known for its agricultural production and traditional crafts within Fukuoka Prefecture on Kyushu Island.
-
D.
Kisogawa
Kisogawa is the Japanese name for the Kiso River, a major river in central Honshu known for its scenic valleys and historical importance.
-
E.
Takinogawa
Takinogawa is a residential district in Kita Ward, Tokyo, known for its quiet neighborhoods and convenient urban access.
- F. None of above. chosen
Statements (28)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| alsoKnownAs | Sagamigawa River ⓘ |
| associatedWith |
fishing activities
ⓘ
flood control projects ⓘ riverbank parks ⓘ |
| basinCountry | Japan ⓘ |
| country | Japan ⓘ |
| environmentalImportance | supports biodiversity in its basin ⓘ |
| flowsInto | Sagamihara Bay ⓘ |
| flowsThrough |
Atsugi
ⓘ
Chigasaki NERFINISHED ⓘ Ebina ⓘ Sagamihara NERFINISHED ⓘ Zama ⓘ |
| hasJapaneseName | 相模川 ⓘ |
| hasRole | major river in Kanagawa Prefecture ⓘ |
| locatedIn |
Kanagawa Prefecture
ⓘ
Yamanashi Prefecture NERFINISHED ⓘ |
| locatedOnIsland | Honshu ⓘ |
| mouthLocation | Sagamihara Bay ⓘ |
| partOf | Sagamigawa water system ⓘ |
| region | Kantō region ⓘ |
| supports |
local communities
ⓘ
local ecosystems ⓘ |
| usedFor |
hydroelectric power generation
ⓘ
irrigation ⓘ recreation ⓘ water supply ⓘ |
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: Sagamigawa Description of subject: Sagamigawa is a major river in Kanagawa Prefecture, Japan, known for flowing through several cities and supporting local ecosystems and communities.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.