KHWD
E596169
KHWD is the ICAO airport code for Hayward Executive Airport, a public general aviation airport serving the city of Hayward in the San Francisco Bay Area of California.
All labels observed (1)
| Label | Occurrences |
|---|---|
| KHWD canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6491265 — 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: KHWD Context triple: [Hayward Executive Airport, ICAO code, KHWD]
-
A.
KHC
KHC is a selective interdisciplinary honors college at Boston University that offers an enriched curriculum and close-knit academic community for high-achieving undergraduates.
-
B.
HKNW
HKNW is the ICAO airport code assigned to Wilson Airport in Nairobi, Kenya.
-
C.
KHVN
KHVN is the ICAO airport code for Tweed New Haven Airport, a regional airport serving New Haven, Connecticut.
-
D.
NKWD
NKWD was the Soviet Union’s notorious secret police and security agency, responsible for political repression, intelligence, and internal security, particularly during Stalin’s rule.
-
E.
KH04
KH04 is the station code assigned to Kyobashi Station on the Keihan Electric Railway network in Osaka, Japan.
- 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: KHWD Target entity description: KHWD is the ICAO airport code for Hayward Executive Airport, a public general aviation airport serving the city of Hayward in the San Francisco Bay Area of California.
-
A.
KHC
KHC is a selective interdisciplinary honors college at Boston University that offers an enriched curriculum and close-knit academic community for high-achieving undergraduates.
-
B.
HKNW
HKNW is the ICAO airport code assigned to Wilson Airport in Nairobi, Kenya.
-
C.
KHVN
KHVN is the ICAO airport code for Tweed New Haven Airport, a regional airport serving New Haven, Connecticut.
-
D.
NKWD
NKWD was the Soviet Union’s notorious secret police and security agency, responsible for political repression, intelligence, and internal security, particularly during Stalin’s rule.
-
E.
KH04
KH04 is the station code assigned to Kyobashi Station on the Keihan Electric Railway network in Osaka, Japan.
- F. None of above. chosen
Statements (39)
| Predicate | Object |
|---|---|
| instanceOf |
ICAO airport code
ⓘ
airport ⓘ general aviation airport ⓘ public airport ⓘ runway ⓘ |
| airportType | reliever airport ⓘ |
| category | general aviation reliever airport ⓘ |
| cityServed | Hayward NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| county | Alameda County NERFINISHED ⓘ |
| elevationFeet | 52 ⓘ |
| elevationMeters | 16 ⓘ |
| hasControlTower | yes ⓘ |
| hasFAACode | HWD NERFINISHED ⓘ |
| hasIATACode | HWD NERFINISHED ⓘ |
| hasICAOCode | KHWD ⓘ |
| hasRunway |
Runway 10L/28R
NERFINISHED
ⓘ
Runway 10R/28L NERFINISHED ⓘ |
| identifies | Hayward Executive Airport NERFINISHED ⓘ |
| locatedIn |
Alameda County
ⓘ
surface form:
Alameda County, California
California, United States ⓘ
surface form:
California
Hayward, California NERFINISHED ⓘ San Francisco Bay Area ⓘ United States of America ⓘ
surface form:
United States
|
| nearbyMajorCity |
Oakland, California
NERFINISHED
ⓘ
San Francisco, California NERFINISHED ⓘ |
| operator | City of Hayward NERFINISHED ⓘ |
| owner | City of Hayward NERFINISHED ⓘ |
| primaryUse | general aviation ⓘ |
| region | Northern California ⓘ |
| servesCity | Hayward, California NERFINISHED ⓘ |
| servesMetropolitanArea | San Francisco Bay Area NERFINISHED ⓘ |
| state |
California, United States
ⓘ
surface form:
California
|
| supportsActivity |
air charter
ⓘ
air taxi ⓘ corporate aviation ⓘ flight training ⓘ |
| surfaceType |
asphalt
ⓘ
asphalt ⓘ |
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: KHWD Description of subject: KHWD is the ICAO airport code for Hayward Executive Airport, a public general aviation airport serving the city of Hayward in the San Francisco Bay Area of California.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.