Port of Longview
E247568
The Port of Longview is a major deep-draft marine terminal complex on the Columbia River that serves as a key hub for bulk and breakbulk cargo in the Pacific Northwest.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Port of Longview canonical | 4 |
| Port of Longview Commission | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2235065 — 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 Longview Context triple: [Cowlitz County, Washington, hasPort, Port of Longview]
-
A.
Port of Hayward
Port of Hayward is a small industrial and recreational harbor facility serving maritime activities in the city of Hayward, California, on the eastern shore of San Francisco Bay.
-
B.
Port of Richmond
The Port of Richmond is a major deep-water shipping and industrial port on the San Francisco Bay that serves as a key hub for cargo, petroleum, and automobile imports and exports in Northern California.
-
C.
Port of Stockton
The Port of Stockton is a major inland deepwater port and transportation hub in California’s Central Valley, serving as a key gateway for agricultural and industrial cargo.
-
D.
Port of Tacoma
The Port of Tacoma is a major deep-water seaport in Washington State that serves as a key hub for international container shipping and trade in the Pacific Northwest.
-
E.
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.
- 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 Longview Target entity description: The Port of Longview is a major deep-draft marine terminal complex on the Columbia River that serves as a key hub for bulk and breakbulk cargo in the Pacific Northwest.
-
A.
Port of Hayward
Port of Hayward is a small industrial and recreational harbor facility serving maritime activities in the city of Hayward, California, on the eastern shore of San Francisco Bay.
-
B.
Port of Richmond
The Port of Richmond is a major deep-water shipping and industrial port on the San Francisco Bay that serves as a key hub for cargo, petroleum, and automobile imports and exports in Northern California.
-
C.
Port of Stockton
The Port of Stockton is a major inland deepwater port and transportation hub in California’s Central Valley, serving as a key gateway for agricultural and industrial cargo.
-
D.
Port of Tacoma
The Port of Tacoma is a major deep-water seaport in Washington State that serves as a key hub for international container shipping and trade in the Pacific Northwest.
-
E.
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.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
deep-draft marine terminal complex
ⓘ
port authority ⓘ |
| cargoTypeHandled |
agricultural products
ⓘ
breakbulk cargo ⓘ bulk cargo ⓘ dry bulk cargo ⓘ forest products ⓘ industrial equipment ⓘ liquid bulk cargo ⓘ project cargo ⓘ |
| connectsTo |
BNSF Railway
ⓘ
Interstate 5 ⓘ Union Pacific Railroad ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| county |
Cowlitz County, Washington
ⓘ
surface form:
Cowlitz County
|
| governanceType | special purpose district ⓘ |
| governingBody |
Port of Longview
self-linksurface differs
ⓘ
surface form:
Port of Longview Commission
|
| hasFacility |
bulk handling equipment
ⓘ
cargo docks ⓘ covered storage ⓘ general cargo berths ⓘ grain handling facilities ⓘ log export facilities ⓘ marine terminals ⓘ open storage yards ⓘ rail connections ⓘ truck access ⓘ warehousing ⓘ |
| hasFeature |
deep-draft navigation channel
ⓘ
heavy-lift capabilities ⓘ intermodal connections ⓘ on-dock rail ⓘ |
| hasJurisdiction | Port of Longview district ⓘ |
| hasWebsite | https://www.portoflongview.com/ ⓘ |
| industry |
international trade
ⓘ
logistics ⓘ maritime transport ⓘ |
| locatedIn | Longview, Washington ⓘ |
| locatedInRegion | Pacific Northwest ⓘ |
| locatedOnWaterway | Columbia River ⓘ |
| nearbyCity |
Portland, Oregon, United States
ⓘ
surface form:
Portland, Oregon
Vancouver, Washington ⓘ |
| partOf | Columbia River port system ⓘ |
| primaryWaterwayUse | commercial shipping ⓘ |
| regionServed | Pacific Northwest economy ⓘ |
| servesAs |
export gateway
ⓘ
import gateway ⓘ regional cargo hub ⓘ |
| state | Washington ⓘ |
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 Longview Description of subject: The Port of Longview is a major deep-draft marine terminal complex on the Columbia River that serves as a key hub for bulk and breakbulk cargo in the Pacific Northwest.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Port of Longview Commission