Portland International Airport
E14895
Portland International Airport is the primary commercial airport for the Portland metropolitan area, serving as a major air travel hub in the Pacific Northwest.
All labels observed (8)
How this entity was disambiguated
This entity first appeared as the object of triple T4381 — 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: Portland International Airport Context triple: [Portland, Oregon, United States, servedByAirport, Portland International Airport]
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A.
San Francisco International Airport
San Francisco International Airport is a major international air travel hub serving the San Francisco Bay Area and one of the busiest airports in the United States.
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B.
San Jose International Airport
San Jose International Airport is a major commercial airport in Silicon Valley serving the San Jose and greater Bay Area region.
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C.
Sacramento International Airport
Sacramento International Airport is a primary commercial airport serving the Sacramento metropolitan area and the broader Northern California region.
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D.
Los Angeles International Airport
Los Angeles International Airport is one of the busiest airports in the world and a major international gateway for air travel to and from the United States.
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E.
Salt Lake City International Airport
Salt Lake City International Airport is a major airport in Utah serving as a key regional and transcontinental gateway in the western United States.
- 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: Portland International Airport Target entity description: Portland International Airport is the primary commercial airport for the Portland metropolitan area, serving as a major air travel hub in the Pacific Northwest.
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A.
San Francisco International Airport
San Francisco International Airport is a major international air travel hub serving the San Francisco Bay Area and one of the busiest airports in the United States.
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B.
San Jose International Airport
San Jose International Airport is a major commercial airport in Silicon Valley serving the San Jose and greater Bay Area region.
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C.
Sacramento International Airport
Sacramento International Airport is a primary commercial airport serving the Sacramento metropolitan area and the broader Northern California region.
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D.
Los Angeles International Airport
Los Angeles International Airport is one of the busiest airports in the world and a major international gateway for air travel to and from the United States.
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E.
Salt Lake City International Airport
Salt Lake City International Airport is a major airport in Utah serving as a key regional and transcontinental gateway in the western United States.
- F. None of above. chosen
Statements (49)
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: Portland International Airport Description of subject: Portland International Airport is the primary commercial airport for the Portland metropolitan area, serving as a major air travel hub in the Pacific Northwest.
Referenced by (43)
Full triples — surface form annotated when it differs from this entity's canonical label.
Portland International Airport
→
ICAOcode
→
Portland International Airport
self-linksurface differs
ⓘ
this entity surface form:
KPDX
Portland International Airport
→
previousName
→
Portland International Airport
self-linksurface differs
ⓘ
this entity surface form:
Portland–Columbia Airport
this entity surface form:
Portland International Airport terminal
subject surface form:
Concourse D (Portland International Airport)
subject surface form:
Concourse D (Portland International Airport)
subject surface form:
Concourse B (Portland International Airport)
subject surface form:
Concourse B (Portland International Airport)
this entity surface form:
Portland International Airport terminal complex
subject surface form:
MAX Red Line
subject surface form:
MAX Red Line
subject surface form:
MAX Red Line
this entity surface form:
Portland International Airport terminal
subject surface form:
Portland, Oregon
subject surface form:
Columbia South Shore
this entity surface form:
Portland International Airport vicinity
subject surface form:
Clark County, Washington
this entity surface form:
Portland International Airport (nearby, across Columbia River)
subject surface form:
Airport Way (Portland, Oregon)
subject surface form:
Airport Way (Portland, Oregon)
this entity surface form:
Portland International Airport terminal area
subject surface form:
MAX Light Rail