BDL
E367068
BDL is the three-letter IATA airport code for Bradley International Airport, a major commercial airport serving the Hartford–Springfield region in the northeastern United States.
All labels observed (1)
| Label | Occurrences |
|---|---|
| BDL canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T3553804 — 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: BDL Context triple: [Bradley International Airport, IATAcode, BDL]
-
A.
BD
BD is the UK postcode area covering Bradford and surrounding parts of West Yorkshire.
-
B.
BL
BL is the vehicle registration code used on license plates for the Swiss canton of Basel-Landschaft.
-
C.
BL
BL is the postcode area in the United Kingdom that covers Bolton and surrounding parts of Greater Manchester and Lancashire.
-
D.
BL
BL is the two-letter ISO 3166-1 alpha-2 country code assigned to the Caribbean island territory of Saint Barthélemy.
-
E.
BBD
BBD is the official currency code for the Barbadian dollar, the legal tender of Barbados.
- 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: BDL Target entity description: BDL is the three-letter IATA airport code for Bradley International Airport, a major commercial airport serving the Hartford–Springfield region in the northeastern United States.
-
A.
BD
BD is the UK postcode area covering Bradford and surrounding parts of West Yorkshire.
-
B.
BL
BL is the vehicle registration code used on license plates for the Swiss canton of Basel-Landschaft.
-
C.
BL
BL is the postcode area in the United Kingdom that covers Bolton and surrounding parts of Greater Manchester and Lancashire.
-
D.
BL
BL is the two-letter ISO 3166-1 alpha-2 country code assigned to the Caribbean island territory of Saint Barthélemy.
-
E.
BBD
BBD is the official currency code for the Barbadian dollar, the legal tender of Barbados.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf | IATA airport code ⓘ |
| airportFunction |
cargo flights
ⓘ
passenger flights ⓘ |
| airportRole | major commercial airport ⓘ |
| airportServesCity |
Hartford
NERFINISHED
ⓘ
Springfield ⓘ |
| airportServesRegion | Hartford–Springfield region ⓘ |
| associatedWithAirportName | Bradley International Airport ⓘ |
| associatedWithCountry |
United States of America
ⓘ
surface form:
United States
|
| associatedWithState | Connecticut ⓘ |
| codeLength | three-letter ⓘ |
| codeType | IATA ⓘ |
| governingStandard | IATA code standard ⓘ |
| identifierFor | airport ⓘ |
| locatedInRegion | Northeastern United States ⓘ |
| represents | Bradley International Airport ⓘ |
| servesMetropolitanArea |
Hartford metropolitan area
ⓘ
Springfield metropolitan area ⓘ |
| transportMode | air transport ⓘ |
| usedFor | commercial aviation ⓘ |
| usedIn |
airline reservation systems
ⓘ
airline ticketing ⓘ aviation databases ⓘ baggage tags ⓘ flight schedules ⓘ |
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: BDL Description of subject: BDL is the three-letter IATA airport code for Bradley International Airport, a major commercial airport serving the Hartford–Springfield region in the northeastern United States.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.