Port of Lewiston
E439450
The Port of Lewiston is an inland port on the Snake River in Idaho that serves as a key transportation and shipping hub for the surrounding agricultural and industrial region.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Port of Lewiston canonical | 5 |
| Port of Lewiston Commission | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4379826 — 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: Port of Lewiston Context triple: [Nez Perce County, containsPort, Port of Lewiston]
-
A.
Port of Portland (Maine)
The Port of Portland (Maine) is a major deep-water seaport and commercial shipping hub on the U.S. East Coast, supporting cargo, fishing, and cruise operations for the region.
-
B.
Port of Nikiski
The Port of Nikiski is an industrial marine facility on Alaska’s Kenai Peninsula that serves as a key hub for petroleum, natural gas, and cargo operations in Cook Inlet.
-
C.
Port of Augusta
The Port of Augusta is a strategic maritime hub in South Australia that supports both commercial shipping and naval operations.
-
D.
Port of Portland
The Port of Portland is a major Pacific Northwest seaport and transportation hub in Oregon that handles international maritime trade, cargo, and regional logistics.
-
E.
Port of Erie
The Port of Erie is a commercial and recreational harbor on Lake Erie in Erie, Pennsylvania, serving as a regional hub for shipping, fishing, and waterfront activities.
- 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: Port of Lewiston Target entity description: The Port of Lewiston is an inland port on the Snake River in Idaho that serves as a key transportation and shipping hub for the surrounding agricultural and industrial region.
-
A.
Port of Portland (Maine)
The Port of Portland (Maine) is a major deep-water seaport and commercial shipping hub on the U.S. East Coast, supporting cargo, fishing, and cruise operations for the region.
-
B.
Port of Nikiski
The Port of Nikiski is an industrial marine facility on Alaska’s Kenai Peninsula that serves as a key hub for petroleum, natural gas, and cargo operations in Cook Inlet.
-
C.
Port of Augusta
The Port of Augusta is a strategic maritime hub in South Australia that supports both commercial shipping and naval operations.
-
D.
Port of Portland
The Port of Portland is a major Pacific Northwest seaport and transportation hub in Oregon that handles international maritime trade, cargo, and regional logistics.
-
E.
Port of Erie
The Port of Erie is a commercial and recreational harbor on Lake Erie in Erie, Pennsylvania, serving as a regional hub for shipping, fishing, and waterfront activities.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
inland port
ⓘ
river port ⓘ |
| connectedTo |
Port of Portland
ⓘ
other Columbia River deep-draft ports ⓘ |
| coordinatesWith |
Columbia–Snake River barge operators
ⓘ
U.S. Army Corps of Engineers ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| governingBody |
Port of Lewiston Commission
ⓘ
linked to:
Port of Lewiston
|
| governingBodyJurisdiction | city of Lewiston and surrounding area ⓘ |
| governingBodyType | port district ⓘ |
| hasFacility |
barge docks
ⓘ
container yard ⓘ grain elevators ⓘ industrial park ⓘ truck loading facilities ⓘ warehouse space ⓘ |
| hasMouthOfRiverDistanceFromOcean | approximately 465 river miles from the Pacific Ocean ⓘ |
| is | the most inland seaport on the U.S. West Coast ⓘ |
| locatedIn | Lewiston, Idaho ⓘ |
| locatedInAdministrativeTerritory |
Nez Perce County, Idaho
ⓘ
linked to:
Nez Perce County
|
| locatedInRegion | Inland Northwest ⓘ |
| locatedNearConfluence | Snake River–Clearwater River confluence ⓘ |
| locatedOnWaterway | Snake River ⓘ |
| navigationSupportedBy |
Ice Harbor Dam
ⓘ
Little Goose Dam ⓘ Lower Granite Dam ⓘ Lower Monumental Dam ⓘ |
| openedForCommercialNavigation | 1975 ⓘ |
| partOf |
Columbia–Snake River System
ⓘ
Columbia–Snake River inland waterway ⓘ
linked to:
Columbia–Snake River System
|
| primaryFunction |
cargo transportation hub
ⓘ
shipping hub for agricultural products ⓘ shipping hub for industrial products ⓘ |
| regionServed |
Idaho
ⓘ
eastern Washington ⓘ western Montana ⓘ |
| role | economic development engine for the Lewiston–Clarkston valley ⓘ |
| servesIndustry |
containerized cargo
ⓘ
fertilizer imports ⓘ grain exports ⓘ paper products ⓘ wood products ⓘ |
| state | Idaho ⓘ |
| supportsActivity |
export of regional wheat and barley
ⓘ
import of agricultural inputs ⓘ |
| transportMode |
barge transportation
ⓘ
rail-connected truck transfer ⓘ truck transportation ⓘ |
| waterwayType | slackwater 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: Port of Lewiston Description of subject: The Port of Lewiston is an inland port on the Snake River in Idaho that serves as a key transportation and shipping hub for the surrounding agricultural and industrial region.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Port of Lewiston