Cedar River (Washington)
E354936
Cedar River (Washington) is a river in western Washington State that flows from the Cascade Range into Lake Washington and has long been central to the region’s ecology, water supply, and Indigenous history.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Cedar River (Washington) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3394582 — 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: Cedar River (Washington) Context triple: [Duwamish, hasHistoricTerritory, Cedar River (Washington)]
-
A.
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.
-
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.
Washougal River
The Washougal River is a scenic tributary of the Columbia River in southwestern Washington State, popular for fishing, swimming, and outdoor recreation.
-
D.
Grande Ronde River
The Grande Ronde River is a tributary of the Snake River in the Pacific Northwest, known for its scenic canyons, wildlife habitat, and popular recreational fishing and rafting opportunities.
-
E.
Snoqualmie River
The Snoqualmie River is a major river in western Washington State known for its scenic course through the Cascade foothills and the prominent Snoqualmie Falls.
- 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: Cedar River (Washington) Target entity description: Cedar River (Washington) is a river in western Washington State that flows from the Cascade Range into Lake Washington and has long been central to the region’s ecology, water supply, and Indigenous history.
-
A.
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.
-
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.
Washougal River
The Washougal River is a scenic tributary of the Columbia River in southwestern Washington State, popular for fishing, swimming, and outdoor recreation.
-
D.
Grande Ronde River
The Grande Ronde River is a tributary of the Snake River in the Pacific Northwest, known for its scenic canyons, wildlife habitat, and popular recreational fishing and rafting opportunities.
-
E.
Snoqualmie River
The Snoqualmie River is a major river in western Washington State known for its scenic course through the Cascade foothills and the prominent Snoqualmie Falls.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| continent | North America ⓘ |
| country | United States of America ⓘ |
| crossedBy |
Interstate 405
ⓘ
State Route 169 NERFINISHED ⓘ |
| flowsInto | Lake Washington ⓘ |
| hasDam |
Landsburg Diversion Dam
ⓘ
Masonry Dam ⓘ |
| hasEcologicalRole |
critical habitat for Chinook salmon
ⓘ
critical habitat for coho salmon ⓘ critical habitat for sockeye salmon ⓘ critical habitat for steelhead trout ⓘ |
| hasReservoir |
Chester Morse Lake
NERFINISHED
ⓘ
Masonry Pool ⓘ |
| hasTributary |
Peterson Creek (Cedar River tributary)
ⓘ
Rex River ⓘ Rock Creek (Cedar River tributary) ⓘ Taylor Creek (King County, Washington) ⓘ
linked to:
May Creek (King County, Washington)
|
| historicallyInhabitedBy |
Coast Salish peoples
ⓘ
Duwamish people ⓘ Muckleshoot people ⓘ
linked to:
Muckleshoot Indian Tribe
|
| knownFor |
flooding in Renton and Maple Valley
ⓘ
salmon runs ⓘ urban water supply watershed protection ⓘ |
| locatedIn |
King County, Washington
ⓘ
linked to:
King County
Washington State ⓘ
linked to:
Washington
|
| locatedNear |
Seattle, Washington
ⓘ
linked to:
Seattle, Washington, United States
|
| majorCityServed |
Seattle, Washington
ⓘ
linked to:
Seattle, Washington, United States
|
| managedBy | Seattle Public Utilities ⓘ |
| mouthOfWatercourse | Lake Washington ⓘ |
| partOf |
Lake Washington–Ship Canal system
ⓘ
linked to:
Lake Washington Ship Canal
Puget Sound region hydrologic system ⓘ |
| passesThrough |
Cedar River Watershed
ⓘ
linked to:
Lake Washington–Cedar River watershed
Maple Valley, Washington ⓘ Renton, Washington ⓘ
linked to:
Renton
|
| protectedBy | Cedar River Municipal Watershed protections ⓘ |
| recreationActivity |
fishing
ⓘ
hiking along river trails ⓘ kayaking ⓘ |
| riverSystem |
Lake Washington drainage basin
ⓘ
linked to:
Lake Washington–Cedar River watershed
|
| sourceLocation |
Cedar River Watershed
ⓘ
linked to:
Lake Washington–Cedar River watershed
|
| sourceRegion |
Cascade Mountains
ⓘ
Cascade Range ⓘ |
| subjectTo | flood control projects ⓘ |
| usedFor |
hydroelectric power generation
ⓘ
municipal water supply ⓘ recreation ⓘ salmon habitat ⓘ |
| waterSupplyFor |
Seattle, Washington
ⓘ
linked to:
Seattle, Washington, United States
|
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: Cedar River (Washington) Description of subject: Cedar River (Washington) is a river in western Washington State that flows from the Cascade Range into Lake Washington and has long been central to the region’s ecology, water supply, and Indigenous history.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.