TTD
E447501
TTD is the three-letter IATA airport code assigned to Troutdale Airport in Troutdale, Oregon, near Portland.
All labels observed (1)
| Label | Occurrences |
|---|---|
| TTD canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T4507710 — 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: TTD Context triple: [Troutdale Airport, IATA code, TTD]
-
A.
TTD
TTD is the official currency code for the Trinidad and Tobago dollar, the national currency of Trinidad and Tobago.
-
B.
TTA
TTA (Telecommunications Technology Association) is South Korea’s primary standards organization for information and communication technologies, contributing to global telecom standards development.
-
C.
TT
TT is the common abbreviation for the Isle of Man TT, a famous and notoriously dangerous annual motorcycle racing event held on the Isle of Man.
-
D.
TT
TT (Terrestrial Time) is a modern astronomical time standard used as the independent time variable in ephemerides and precise celestial mechanics, defined to provide a uniform time scale for observations from Earth's surface.
-
E.
TAD
TAD is the OECD’s Trade and Agriculture Directorate, which develops international policies and analysis on global trade, agriculture, and related economic issues.
- 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: TTD Target entity description: TTD is the three-letter IATA airport code assigned to Troutdale Airport in Troutdale, Oregon, near Portland.
-
A.
TTD
TTD is the official currency code for the Trinidad and Tobago dollar, the national currency of Trinidad and Tobago.
-
B.
TTA
TTA (Telecommunications Technology Association) is South Korea’s primary standards organization for information and communication technologies, contributing to global telecom standards development.
-
C.
TT
TT (Terrestrial Time) is a modern astronomical time standard used as the independent time variable in ephemerides and precise celestial mechanics, defined to provide a uniform time scale for observations from Earth's surface.
-
D.
TT
TT is the common abbreviation for the Isle of Man TT, a famous and notoriously dangerous annual motorcycle racing event held on the Isle of Man.
-
E.
TAD
TAD is the OECD’s Trade and Agriculture Directorate, which develops international policies and analysis on global trade, agriculture, and related economic issues.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
IATA airport code
ⓘ
airport ⓘ runway ⓘ |
| airportType | public ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| elevationFeet | 39 ⓘ |
| elevationMeters | 12 ⓘ |
| FAA LID | TTD ⓘ |
| hasRole | reliever airport for Portland International Airport ⓘ |
| hasRunway | Runway 7/25 ⓘ |
| IATA code | TTD ⓘ |
| ICAO code | KTTD ⓘ |
| locatedIn |
Multnomah County, Oregon
ⓘ
linked to:
Multnomah County
Troutdale, Oregon ⓘ |
| locatedNear |
Portland, Oregon
ⓘ
linked to:
Portland, Oregon, United States
|
| nearbyMajorAirport | Portland International Airport ⓘ |
| operator | Port of Portland ⓘ |
| owner | Port of Portland ⓘ |
| partOf | Port of Portland general aviation system ⓘ |
| refersTo | Troutdale Airport ⓘ |
| region | Pacific Northwest ⓘ |
| serves | general aviation ⓘ |
| servesCity |
Portland metropolitan area
ⓘ
Troutdale, Oregon ⓘ |
| state | Oregon ⓘ |
| surface | asphalt ⓘ |
| timezone | America/Los_Angeles ⓘ |
| usesCode |
KTTD
ⓘ
TTD ⓘ |
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: TTD Description of subject: TTD is the three-letter IATA airport code assigned to Troutdale Airport in Troutdale, Oregon, near Portland.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.