Greenlawn station
E160126
Greenlawn station is a Long Island Rail Road commuter rail stop in Greenlawn, New York, serving passengers on the Port Jefferson Branch.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Greenlawn station canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T762255 — 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: Greenlawn station Context triple: [Long Island Rail Road Port Jefferson Branch, hasStation, Greenlawn station]
-
A.
Valley Road station
Valley Road station is a small light rail stop on the MBTA's Mattapan trolley line in Milton, Massachusetts.
-
B.
Belmont Center station
Belmont Center station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop located in the commercial center of Belmont, Massachusetts.
-
C.
Shawmut station
Shawmut station is a rapid transit stop on Boston's MBTA Red Line serving the Dorchester neighborhood along the Ashmont branch.
-
D.
Hunting Park station
Hunting Park station is a subway stop in North Philadelphia serving riders on SEPTA’s Broad Street Line.
-
E.
Forest Hills station
Forest Hills station is a major multimodal transit hub in Boston that serves as a key interchange point for MBTA subway, commuter rail, and numerous bus routes.
- 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: Greenlawn station Target entity description: Greenlawn station is a Long Island Rail Road commuter rail stop in Greenlawn, New York, serving passengers on the Port Jefferson Branch.
-
A.
Valley Road station
Valley Road station is a small light rail stop on the MBTA's Mattapan trolley line in Milton, Massachusetts.
-
B.
Belmont Center station
Belmont Center station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop located in the commercial center of Belmont, Massachusetts.
-
C.
Shawmut station
Shawmut station is a rapid transit stop on Boston's MBTA Red Line serving the Dorchester neighborhood along the Ashmont branch.
-
D.
Hunting Park station
Hunting Park station is a subway stop in North Philadelphia serving riders on SEPTA’s Broad Street Line.
-
E.
Forest Hills station
Forest Hills station is a major multimodal transit hub in Boston that serves as a key interchange point for MBTA subway, commuter rail, and numerous bus routes.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Long Island Rail Road station
ⓘ
commuter rail station ⓘ railway station ⓘ |
| accessible | no ⓘ |
| adjacentStationEast | Harborfields-area toward Greenport/Port Jefferson ⓘ |
| adjacentStationWest | Northport station ⓘ |
| bicycleFacilities | available ⓘ |
| code | LIRR station code: GWN ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| distanceFromPennStation | approximately 34 miles ⓘ |
| electrification | not electrified ⓘ |
| fareZone | Zone 9 ⓘ |
| formerName |
Centerport, New York
ⓘ
surface form:
Centerport
|
| governingBody |
Metropolitan Transportation Authority
ⓘ
surface form:
Metropolitan Transportation Authority Board
|
| hasLighting | yes ⓘ |
| hasPedestrianCrossing | yes ⓘ |
| hasShelters | yes ⓘ |
| hasSignage | yes ⓘ |
| hasTicketMachines | yes ⓘ |
| hasWaitingRoom | yes ⓘ |
| location |
Greenlawn, New York
ⓘ
Suffolk County, New York ⓘ Town of Huntington, New York ⓘ |
| nearbyLandUse |
local commercial area
ⓘ
residential neighborhoods ⓘ |
| openingDate | 1868 ⓘ |
| operator | Long Island Rail Road ⓘ |
| ownedBy | Metropolitan Transportation Authority ⓘ |
| parking | available ⓘ |
| platforms | 2 side platforms ⓘ |
| platformType | high-level platforms ⓘ |
| primaryUse | commuter travel to New York City ⓘ |
| railNetwork |
Long Island Rail Road
ⓘ
surface form:
Long Island Rail Road network
|
| railwayLine | Port Jefferson Branch ⓘ |
| region | Long Island ⓘ |
| safetyFeatures | grade crossing protection nearby ⓘ |
| serves |
Port Jefferson Branch passengers
ⓘ
commuters in Greenlawn, New York ⓘ |
| servesCommunity | Greenlawn business district vicinity ⓘ |
| servesDirection |
eastbound toward Port Jefferson
ⓘ
westbound toward Huntington and New York City ⓘ |
| servesLineSegment |
Long Island Rail Road Port Jefferson Branch
ⓘ
surface form:
Huntington–Port Jefferson segment of Port Jefferson Branch
|
| structureType | at-grade ⓘ |
| ticketing | proof-of-payment system via conductors on trains ⓘ |
| ticketOffice | closed (ticket office no longer staffed) ⓘ |
| ticketPurchaseOptions | ticket vending machines ⓘ |
| timeZone | Eastern Time Zone ⓘ |
| tracks | 2 ⓘ |
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: Greenlawn station Description of subject: Greenlawn station is a Long Island Rail Road commuter rail stop in Greenlawn, New York, serving passengers on the Port Jefferson Branch.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Northport station