Mahlon Sweet Field
E256516
Mahlon Sweet Field is the primary commercial airport serving Eugene, Oregon and the surrounding Willamette Valley region.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Mahlon Sweet Field canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T2317607 — 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: Mahlon Sweet Field Context triple: [Eugene Airport, alsoKnownAs, Mahlon Sweet Field]
-
A.
Roberts Field
Roberts Field is an athletic field at the Massachusetts Institute of Technology used primarily for varsity and recreational sports.
-
B.
Eaker Field
Eaker Field is a regional airport serving the Texoma area along the Texas–Oklahoma border.
-
C.
Holloway Field
Holloway Field is a collegiate athletic facility associated with Rice University, primarily used for hosting the university’s outdoor sports events and competitions.
-
D.
Joseph J. O’Donnell Field
Joseph J. O’Donnell Field is Harvard University's on-campus baseball stadium in Cambridge, Massachusetts, serving as the longtime home of the Crimson baseball program.
-
E.
Smith Field
Smith Field is a public general-aviation airport serving the Fort Wayne, Indiana 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: Mahlon Sweet Field Target entity description: Mahlon Sweet Field is the primary commercial airport serving Eugene, Oregon and the surrounding Willamette Valley region.
-
A.
Roberts Field
Roberts Field is an athletic field at the Massachusetts Institute of Technology used primarily for varsity and recreational sports.
-
B.
Eaker Field
Eaker Field is a regional airport serving the Texoma area along the Texas–Oklahoma border.
-
C.
Holloway Field
Holloway Field is a collegiate athletic facility associated with Rice University, primarily used for hosting the university’s outdoor sports events and competitions.
-
D.
Joseph J. O’Donnell Field
Joseph J. O’Donnell Field is Harvard University's on-campus baseball stadium in Cambridge, Massachusetts, serving as the longtime home of the Crimson baseball program.
-
E.
Smith Field
Smith Field is a public general-aviation airport serving the Fort Wayne, Indiana area.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
airport
ⓘ
commercial airport ⓘ public airport ⓘ |
| cityServed | Eugene, Oregon ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| DSTTimeZone |
Pacific Daylight Time
ⓘ
linked to:
Pacific Time Zone
|
| elevationAboveSeaLevel |
114 meters
ⓘ
374 feet ⓘ |
| FAA LID | EUG ⓘ |
| hasCategory | commercial service airport ⓘ |
| hasFacility |
air cargo facilities
ⓘ
air traffic control tower ⓘ aircraft maintenance facilities ⓘ airport concessions ⓘ baggage claim area ⓘ general aviation facilities ⓘ ticketing counters ⓘ |
| hasGroundTransport |
public transit connections
ⓘ
rental car services ⓘ shuttle services ⓘ taxi services ⓘ |
| hasNavigationAid | instrument approach procedures ⓘ |
| hasParking | airport parking facilities ⓘ |
| hasRunway |
Runway 16L/34R
ⓘ
Runway 16R/34L ⓘ |
| hasSecurity | TSA passenger screening ⓘ |
| hasTerminal | passenger terminal ⓘ |
| hasUse |
civil aviation
ⓘ
public use ⓘ |
| IATA code | EUG ⓘ |
| ICAO code |
KEUG
ⓘ
linked to:
EUG
|
| isLocatedInMetropolitanArea | Eugene–Springfield metropolitan area ⓘ |
| isPrimaryAirportFor |
Eugene metropolitan area
ⓘ
linked to:
Eugene–Springfield metropolitan area
|
| isPubliclyOwned | true ⓘ |
| isTransportationInfrastructureOf | Eugene, Oregon ⓘ |
| location | Eugene, Oregon ⓘ |
| namedAfter | Mahlon Sweet ⓘ |
| operator |
City of Eugene
ⓘ
linked to:
Eugene, Oregon
|
| owner |
City of Eugene
ⓘ
linked to:
Eugene, Oregon
|
| regionServed | Willamette Valley ⓘ |
| runwaySurface | asphalt ⓘ |
| serves |
Eugene, Oregon
ⓘ
Willamette Valley ⓘ |
| servesAirlineType |
cargo airlines
ⓘ
passenger airlines ⓘ |
| servesRegionType |
Willamette Valley region
ⓘ
linked to:
Willamette Valley
|
| state | Oregon ⓘ |
| timeZone | Pacific Time Zone ⓘ |
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: Mahlon Sweet Field Description of subject: Mahlon Sweet Field is the primary commercial airport serving Eugene, Oregon and the surrounding Willamette Valley region.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.