Tillamook River
E233231
The Tillamook River is a coastal river in northwestern Oregon that flows through forested and agricultural lands before emptying into Tillamook Bay on the Pacific Ocean.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Tillamook River canonical | 3 |
| Tillamook River watershed | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T854799 — 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: Tillamook River Context triple: [Tillamook County, Oregon, contains, Tillamook River]
-
A.
Yamhill River
The Yamhill River is a tributary waterway in northwestern Oregon that flows through Yamhill County’s agricultural and wine-producing regions before joining the Willamette River.
-
B.
Coos River
The Coos River is a coastal river in southwestern Oregon that flows through forested terrain to join the Coos Bay estuary near the Pacific Ocean.
-
C.
Siuslaw River
The Siuslaw River is a coastal river in western Oregon that flows through the Coast Range to the Pacific Ocean, supporting rich salmon runs and the historic timber and fishing communities along its banks.
-
D.
Yaquina River
The Yaquina River is a coastal river in western Oregon that flows through forested valleys before emptying into the Pacific Ocean at Yaquina Bay near Newport.
-
E.
Siletz River
The Siletz River is a coastal river in western Oregon known for its scenic forested watershed and popular salmon and steelhead fishing opportunities before emptying into the Pacific Ocean.
- 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: Tillamook River Target entity description: The Tillamook River is a coastal river in northwestern Oregon that flows through forested and agricultural lands before emptying into Tillamook Bay on the Pacific Ocean.
-
A.
Yamhill River
The Yamhill River is a tributary waterway in northwestern Oregon that flows through Yamhill County’s agricultural and wine-producing regions before joining the Willamette River.
-
B.
Coos River
The Coos River is a coastal river in southwestern Oregon that flows through forested terrain to join the Coos Bay estuary near the Pacific Ocean.
-
C.
Siuslaw River
The Siuslaw River is a coastal river in western Oregon that flows through the Coast Range to the Pacific Ocean, supporting rich salmon runs and the historic timber and fishing communities along its banks.
-
D.
Yaquina River
The Yaquina River is a coastal river in western Oregon that flows through forested valleys before emptying into the Pacific Ocean at Yaquina Bay near Newport.
-
E.
Siletz River
The Siletz River is a coastal river in western Oregon known for its scenic forested watershed and popular salmon and steelhead fishing opportunities before emptying into the Pacific Ocean.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
coastal river
ⓘ
river ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| country |
United States of America
ⓘ
surface form:
United States
|
| drainageBasin |
Tillamook River
self-linksurface differs
ⓘ
surface form:
Tillamook River watershed
|
| emptiesInto |
Pacific Ocean
ⓘ
Tillamook Bay ⓘ |
| flowsInDirection | generally westward ⓘ |
| flowsThrough |
agricultural lands
ⓘ
forested lands ⓘ |
| hasEcosystem |
coastal temperate rainforest
ⓘ
estuarine habitat ⓘ |
| hasMouthElevation | sea level ⓘ |
| locatedIn |
Tillamook County, Oregon
NERFINISHED
ⓘ
Northwestern Oregon ⓘ
surface form:
northwestern Oregon
western United States ⓘ |
| locatedOn | Oregon Coast ⓘ |
| mouthLocation | Tillamook Bay ⓘ |
| near |
Tillamook, Oregon
ⓘ
surface form:
city of Tillamook, Oregon
|
| partOf | Tillamook Bay watershed ⓘ |
| region | Pacific Northwest ⓘ |
| state | Oregon ⓘ |
| supports |
aquatic wildlife
ⓘ
salmon populations ⓘ steelhead populations ⓘ |
| tributaryOf | Tillamook Bay ⓘ |
| usedFor |
agricultural water supply
ⓘ
fishing ⓘ recreation ⓘ |
| waterBodyType | freshwater 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: Tillamook River Description of subject: The Tillamook River is a coastal river in northwestern Oregon that flows through forested and agricultural lands before emptying into Tillamook Bay on the Pacific Ocean.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Tillamook River watershed