KTTD
E447502
KTTD is the ICAO airport code for Troutdale Airport, a public general aviation airport serving the Troutdale area near Portland, Oregon.
All labels observed (1)
| Label | Occurrences |
|---|---|
| KTTD canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T4507711 — 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: KTTD Context triple: [Troutdale Airport, ICAO code, KTTD]
-
A.
KDTW
KDTW is the ICAO airport code for Detroit Metropolitan Wayne County Airport, a major international air transport hub serving the Detroit, Michigan metropolitan area.
-
B.
KTVL
KTVL is the ICAO airport code for Lake Tahoe Airport, a public airport serving the Lake Tahoe region in California.
-
C.
KMTN
KMTN is the ICAO airport code for Martin State Airport, a public airport located near Baltimore, Maryland, in the United States.
-
D.
KTLH
KTLH is the ICAO airport code for Tallahassee International Airport, the primary commercial airport serving Florida’s capital city.
-
E.
KFTW
KFTW is the ICAO airport code for Fort Worth Meacham International Airport, a general aviation and reliever airport serving the Fort Worth, Texas area.
- 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: KTTD Target entity description: KTTD is the ICAO airport code for Troutdale Airport, a public general aviation airport serving the Troutdale area near Portland, Oregon.
-
A.
KDTW
KDTW is the ICAO airport code for Detroit Metropolitan Wayne County Airport, a major international air transport hub serving the Detroit, Michigan metropolitan area.
-
B.
KTVL
KTVL is the ICAO airport code for Lake Tahoe Airport, a public airport serving the Lake Tahoe region in California.
-
C.
KMTN
KMTN is the ICAO airport code for Martin State Airport, a public airport located near Baltimore, Maryland, in the United States.
-
D.
KTLH
KTLH is the ICAO airport code for Tallahassee International Airport, the primary commercial airport serving Florida’s capital city.
-
E.
KFTW
KFTW is the ICAO airport code for Fort Worth Meacham International Airport, a general aviation and reliever airport serving the Fort Worth, Texas area.
- F. None of above. chosen
Statements (17)
| Predicate | Object |
|---|---|
| instanceOf |
ICAO airport code
ⓘ
airport ⓘ |
| airportType | public ⓘ |
| airportUse | general aviation ⓘ |
| appliesTo | Troutdale Airport ⓘ |
| associatedAirportName | Troutdale Airport ⓘ |
| cityServed |
Portland, Oregon metropolitan area
ⓘ
Troutdale, Oregon ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| icaoCode | KTTD ⓘ |
| identifies | Troutdale Airport ⓘ |
| location | Troutdale, Oregon ⓘ |
| near |
Portland, Oregon
ⓘ
linked to:
Portland, Oregon, United States
|
| region | Oregon ⓘ |
| serves |
Portland metropolitan area
ⓘ
Troutdale area ⓘ |
| state | Oregon ⓘ |
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: KTTD Description of subject: KTTD is the ICAO airport code for Troutdale Airport, a public general aviation airport serving the Troutdale area near Portland, Oregon.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.