Columbia–Snake River lock system
E433382
The Columbia–Snake River lock system is a series of navigation locks and dams on the Columbia and Snake Rivers that enables barge traffic deep into the interior Pacific Northwest, supporting regional commerce, irrigation, and hydropower generation.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Columbia River navigation system | 1 |
| Columbia–Snake River Inland Waterway | 1 |
| Columbia–Snake River lock system canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4347741 — 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: Columbia–Snake River lock system Context triple: [Inland Waterway System of the United States, hasPart, Columbia–Snake River lock system]
-
A.
Columbia River hydropower system
The Columbia River hydropower system is an extensive network of dams and generating facilities that provides a major share of the Pacific Northwest’s electricity while also supporting irrigation, navigation, and flood control.
-
B.
Minidoka Dam
Minidoka Dam is an early 20th-century Bureau of Reclamation irrigation and hydroelectric dam on the Snake River in southern Idaho.
-
C.
Bonneville Dam
Bonneville Dam is a major hydroelectric and navigation dam on the Columbia River in the Pacific Northwest, known for power generation, fish ladders, and its role in regional river management.
-
D.
Coulee Dam, Washington
Coulee Dam, Washington is a small town in north-central Washington State best known as the community adjacent to the massive Grand Coulee Dam on the Columbia River.
-
E.
Columbia Basin Project
The Columbia Basin Project is a large-scale irrigation and hydroelectric development in central Washington State that distributes water and power from the Grand Coulee Dam to support agriculture, industry, and communities across the region.
- 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: Columbia–Snake River lock system Target entity description: The Columbia–Snake River lock system is a series of navigation locks and dams on the Columbia and Snake Rivers that enables barge traffic deep into the interior Pacific Northwest, supporting regional commerce, irrigation, and hydropower generation.
-
A.
Columbia River hydropower system
The Columbia River hydropower system is an extensive network of dams and generating facilities that provides a major share of the Pacific Northwest’s electricity while also supporting irrigation, navigation, and flood control.
-
B.
Minidoka Dam
Minidoka Dam is an early 20th-century Bureau of Reclamation irrigation and hydroelectric dam on the Snake River in southern Idaho.
-
C.
Bonneville Dam
Bonneville Dam is a major hydroelectric and navigation dam on the Columbia River in the Pacific Northwest, known for power generation, fish ladders, and its role in regional river management.
-
D.
Coulee Dam, Washington
Coulee Dam, Washington is a small town in north-central Washington State best known as the community adjacent to the massive Grand Coulee Dam on the Columbia River.
-
E.
Columbia Basin Project
The Columbia Basin Project is a large-scale irrigation and hydroelectric development in central Washington State that distributes water and power from the Grand Coulee Dam to support agriculture, industry, and communities across the region.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
inland waterway system
ⓘ
navigation lock system ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| connects |
Lewiston, Idaho
NERFINISHED
ⓘ
Pacific Ocean NERFINISHED ⓘ Portland, Oregon NERFINISHED ⓘ inland ports of the Pacific Northwest ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| economicRole |
export corridor for inland Northwest agriculture
ⓘ
support for regional industrial shipping ⓘ |
| enables |
barge navigation
ⓘ
commercial navigation ⓘ |
| hasPart |
Bonneville Lock and Dam
NERFINISHED
ⓘ
Columbia River NERFINISHED ⓘ Ice Harbor Lock and Dam NERFINISHED ⓘ John Day Lock and Dam NERFINISHED ⓘ Little Goose Lock and Dam NERFINISHED ⓘ Lower Granite Lock and Dam NERFINISHED ⓘ Lower Monumental Lock and Dam NERFINISHED ⓘ McNary Lock and Dam NERFINISHED ⓘ Snake River NERFINISHED ⓘ The Dalles Lock and Dam NERFINISHED ⓘ |
| locatedIn |
Columbia River Basin
NERFINISHED
ⓘ
Pacific Northwest ⓘ United States of America ⓘ
surface form:
United States
|
| navigableFrom | Pacific Ocean NERFINISHED ⓘ |
| navigableTo | Lewiston, Idaho NERFINISHED ⓘ |
| operator | U.S. Army Corps of Engineers NERFINISHED ⓘ |
| partOf | Columbia–Snake River System NERFINISHED ⓘ |
| purpose |
flood control
ⓘ
hydroelectric power ⓘ irrigation water supply ⓘ navigation ⓘ |
| regionServed |
Idaho
NERFINISHED
ⓘ
Oregon NERFINISHED ⓘ Washington NERFINISHED ⓘ |
| riverSystem |
Columbia River
NERFINISHED
ⓘ
Snake River NERFINISHED ⓘ |
| supports |
container barge service
ⓘ
grain export traffic ⓘ hydropower generation ⓘ irrigation ⓘ regional commerce ⓘ tourism and recreation ⓘ |
| usedFor |
inland port access
ⓘ
transport of agricultural products ⓘ transport of bulk commodities ⓘ |
| waterwayType | deep-draft navigation channel ⓘ |
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: Columbia–Snake River lock system Description of subject: The Columbia–Snake River lock system is a series of navigation locks and dams on the Columbia and Snake Rivers that enables barge traffic deep into the interior Pacific Northwest, supporting regional commerce, irrigation, and hydropower generation.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Columbia–Snake River Inland Waterway
this entity surface form:
Columbia River navigation system