HWD
E596168
HWD is the three-letter IATA airport code assigned to Hayward Executive Airport in Hayward, California.
All labels observed (1)
| Label | Occurrences |
|---|---|
| HWD canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T6491264 — 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: HWD Context triple: [Hayward Executive Airport, IATA code, HWD]
-
A.
WHD
WHD is the U.S. Department of Labor’s Wage and Hour Division, the federal agency responsible for enforcing minimum wage, overtime pay, child labor, and other key labor standards.
-
B.
WTDH
WTDH is the radio callsign assigned to the NOAA Ship Okeanos Explorer, a U.S. research vessel dedicated to deep-ocean exploration.
-
C.
H&W
H&W is the abbreviated logo text used by Harland and Wolff, the historic Belfast-based shipbuilding and heavy engineering company.
-
D.
HDX
HDX is an open humanitarian data platform that enables organizations to share, find, and use data for crisis preparedness and response.
-
E.
HDH
HDH is the vehicle registration code used on license plates for the German town of Heidenheim an der Brenz.
- 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: HWD Target entity description: HWD is the three-letter IATA airport code assigned to Hayward Executive Airport in Hayward, California.
-
A.
WHD
WHD is the U.S. Department of Labor’s Wage and Hour Division, the federal agency responsible for enforcing minimum wage, overtime pay, child labor, and other key labor standards.
-
B.
WTDH
WTDH is the radio callsign assigned to the NOAA Ship Okeanos Explorer, a U.S. research vessel dedicated to deep-ocean exploration.
-
C.
H&W
H&W is the abbreviated logo text used by Harland and Wolff, the historic Belfast-based shipbuilding and heavy engineering company.
-
D.
HDX
HDX is an open humanitarian data platform that enables organizations to share, find, and use data for crisis preparedness and response.
-
E.
HDH
HDH is the vehicle registration code used on license plates for the German town of Heidenheim an der Brenz.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
IATA airport code
ⓘ
airport code ⓘ |
| airportName | Hayward Executive Airport NERFINISHED ⓘ |
| airportType | public airport ⓘ |
| countryCode | US NERFINISHED ⓘ |
| hasElevationUnit | feet ⓘ |
| hasFAAIdentifier | HWD NERFINISHED ⓘ |
| hasICAOCode | KHWD NERFINISHED ⓘ |
| hasNavigationAid | instrument approach procedures ⓘ |
| hasRunway |
Runway 10L/28R
ⓘ
Runway 10R/28L ⓘ |
| hasTerminalType | general aviation terminal ⓘ |
| IATACode | HWD NERFINISHED ⓘ |
| isOperatedBy | City of Hayward NERFINISHED ⓘ |
| locatedInCity | Hayward NERFINISHED ⓘ |
| locatedInCountry |
United States of America
ⓘ
surface form:
United States
|
| locatedInCounty | Alameda County NERFINISHED ⓘ |
| locatedInState |
California, United States
ⓘ
surface form:
California
|
| refersTo | Hayward Executive Airport NERFINISHED ⓘ |
| runwaySurfaceType | asphalt ⓘ |
| servesCity | Hayward, California NERFINISHED ⓘ |
| servesRegion | San Francisco Bay Area NERFINISHED ⓘ |
| timeZone | Pacific Time Zone ⓘ |
| usedFor |
business aviation
ⓘ
general aviation ⓘ |
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: HWD Description of subject: HWD is the three-letter IATA airport code assigned to Hayward Executive Airport in Hayward, California.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.