Sammamish River
E229388
The Sammamish River is a short river in King County, Washington, that drains Lake Sammamish and flows northwest through suburban communities before emptying into Lake Washington.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Sammamish River canonical | 10 |
| Sammamish River Valley | 1 |
| Sammamish River valley | 1 |
| Sammamish Slough | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1154842 — 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: Sammamish River Context triple: [Lake Washington, inflow, Sammamish River]
-
A.
Duwamish River
The Duwamish River is an industrialized waterway in Washington State that flows through the Seattle area and into Elliott Bay, historically serving as a vital route for commerce and the homeland of the Duwamish people.
-
B.
Snohomish River
The Snohomish River is a major river in western Washington State that flows through Snohomish County into Puget Sound, helping drain the Cascade Range and supporting regional ecosystems and communities.
-
C.
Duwamish
The Duwamish are a Coast Salish Native American people indigenous to the Seattle, Washington area, with deep historical, cultural, and spiritual ties to the region’s waterways and lands.
-
D.
Nisqually River
The Nisqually River is a river in western Washington State that flows from the glaciers of Mount Rainier to Puget Sound, supporting rich ecosystems and significant tribal and local communities along its course.
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E.
Puyallup River
The Puyallup River is a glacially fed river in western Washington that flows from Mount Rainier through the Tacoma–Puyallup area into Puget Sound.
- 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: Sammamish River Target entity description: The Sammamish River is a short river in King County, Washington, that drains Lake Sammamish and flows northwest through suburban communities before emptying into Lake Washington.
-
A.
Duwamish River
The Duwamish River is an industrialized waterway in Washington State that flows through the Seattle area and into Elliott Bay, historically serving as a vital route for commerce and the homeland of the Duwamish people.
-
B.
Snohomish River
The Snohomish River is a major river in western Washington State that flows through Snohomish County into Puget Sound, helping drain the Cascade Range and supporting regional ecosystems and communities.
-
C.
Duwamish
The Duwamish are a Coast Salish Native American people indigenous to the Seattle, Washington area, with deep historical, cultural, and spiritual ties to the region’s waterways and lands.
-
D.
Nisqually River
The Nisqually River is a river in western Washington State that flows from the glaciers of Mount Rainier to Puget Sound, supporting rich ecosystems and significant tribal and local communities along its course.
-
E.
Puyallup River
The Puyallup River is a glacially fed river in western Washington that flows from Mount Rainier through the Tacoma–Puyallup area into Puget Sound.
- F. None of above. chosen
Statements (47)
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: Sammamish River Description of subject: The Sammamish River is a short river in King County, Washington, that drains Lake Sammamish and flows northwest through suburban communities before emptying into Lake Washington.
Referenced by (13)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Sammamish River valley
this entity surface form:
Sammamish Slough
this entity surface form:
Sammamish River Valley