Union River
E916079
The Union River is a small river in Mason County, Washington, that flows into Hood Canal near the community of Belfair.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Union River canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9321658 — 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: Union River Context triple: [Belfair, Washington, locatedNear, Union River]
-
A.
Rapid River
Rapid River is a watercourse that serves as one of the tributary rivers flowing into Lake of the Woods in North America.
-
B.
Eerste River
Eerste River is a prominent waterway in South Africa’s Western Cape that flows through the Stellenbosch region and supports its agriculture and ecosystems.
-
C.
Sassafras River
The Sassafras River is a tidal tributary of the Chesapeake Bay in Maryland known for its scenic shorelines, boating, and recreational fishing.
-
D.
Pease River
Pease River is a tributary of the Red River in North Texas, historically noted as the site of an 1860 battle involving the Comanche and Texas Rangers.
-
E.
Train River
The Train River is a smaller watercourse in Belgium that serves as a tributary within the Dyle River basin.
- 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: Union River Target entity description: The Union River is a small river in Mason County, Washington, that flows into Hood Canal near the community of Belfair.
-
A.
Rapid River
Rapid River is a watercourse that serves as one of the tributary rivers flowing into Lake of the Woods in North America.
-
B.
Eerste River
Eerste River is a prominent waterway in South Africa’s Western Cape that flows through the Stellenbosch region and supports its agriculture and ecosystems.
-
C.
Sassafras River
The Sassafras River is a tidal tributary of the Chesapeake Bay in Maryland known for its scenic shorelines, boating, and recreational fishing.
-
D.
Pease River
Pease River is a tributary of the Red River in North Texas, historically noted as the site of an 1860 battle involving the Comanche and Texas Rangers.
-
E.
Train River
The Train River is a smaller watercourse in Belgium that serves as a tributary within the Dyle River basin.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| basinCountry | United States of America ⓘ |
| country | United States of America ⓘ |
| countrySubdivision | Mason County ⓘ |
| county | Mason County, Washington ⓘ |
| flowsGenerally | toward Hood Canal ⓘ |
| flowsInto | Hood Canal ⓘ |
| hasMouth | near Belfair, Washington ⓘ |
| hasName | Union River NERFINISHED ⓘ |
| hydrologicalSystem |
Puget Sound drainage basin
ⓘ
linked to:
Puget Sound
|
| isInTimeZone | Pacific Time Zone ⓘ |
| locatedIn |
Mason County, Washington
ⓘ
Pacific Northwest ⓘ Washington (state) ⓘ
linked to:
Washington
|
| locatedOnWaterbody | Kitsap Peninsula vicinity ⓘ |
| mouthElevation | sea level ⓘ |
| mouthLocatedNear | Belfair, Washington ⓘ |
| mouthLocation | Hood Canal ⓘ |
| nearbySettlement | Belfair, Washington ⓘ |
| partOf |
Hood Canal watershed
ⓘ
linked to:
Hood Canal
|
| region |
Western Washington
ⓘ
linked to:
western Washington
|
| state |
Washington (state)
ⓘ
linked to:
Washington
|
| tributaryOf | Hood Canal ⓘ |
| USGSFeatureClass | Stream ⓘ |
| watercourseType | small river ⓘ |
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: Union River Description of subject: The Union River is a small river in Mason County, Washington, that flows into Hood Canal near the community of Belfair.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.