STM
E500151
STM is the station code for Smithtown station, a Long Island Rail Road commuter rail stop in Smithtown, New York.
All labels observed (1)
| Label | Occurrences |
|---|---|
| STM canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T5179411 — 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: STM Context triple: [Smithtown station, code, STM]
-
A.
STM
STM is the public transit agency serving the city of Montreal, operating its bus and metro networks.
-
B.
STA
STA is the vehicle registration code for the district of Starnberg in Bavaria, Germany.
-
C.
ST
ST is the common abbreviation for Sound Transit, the regional public transit agency serving the Seattle metropolitan area in Washington State.
-
D.
ST
ST is the common abbreviation for Stade Toulousain, a leading French rugby union club based in Toulouse.
-
E.
ST
ST is the commonly used abbreviation for SkyTeam, a major global airline alliance.
- 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: STM Target entity description: STM is the station code for Smithtown station, a Long Island Rail Road commuter rail stop in Smithtown, New York.
-
A.
STM
STM is the public transit agency serving the city of Montreal, operating its bus and metro networks.
-
B.
STA
STA is the vehicle registration code for the district of Starnberg in Bavaria, Germany.
-
C.
ST
ST is the common abbreviation for Sound Transit, the regional public transit agency serving the Seattle metropolitan area in Washington State.
-
D.
ST
ST is the common abbreviation for Stade Toulousain, a leading French rugby union club based in Toulouse.
-
E.
ST
ST is the commonly used abbreviation for SkyTeam, a major global airline alliance.
- F. None of above. chosen
Statements (23)
| Predicate | Object |
|---|---|
| instanceOf | railway station code ⓘ |
| appliesToStation | Smithtown station ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| county | Suffolk County ⓘ |
| fareSystem | MTA fare system ⓘ |
| identifies |
Smithtown station on the Long Island Rail Road
ⓘ
linked to:
Long Island Rail Road Smithtown station
|
| locatedOn | Smithtown station platforms ⓘ |
| location | Smithtown, New York ⓘ |
| networkCodeType | LIRR internal station code ⓘ |
| operator |
Long Island Rail Road
ⓘ
Metropolitan Transportation Authority ⓘ |
| railwayLine | Port Jefferson Branch ⓘ |
| railwayNetwork | Long Island Rail Road ⓘ |
| regionServed | Smithtown, New York ⓘ |
| servedBy | Long Island Rail Road ⓘ |
| servedByLine | Port Jefferson Branch ⓘ |
| state | New York ⓘ |
| stationCode | STM ⓘ |
| town |
Smithtown
ⓘ
linked to:
Smithtown, New York
|
| transportMode | commuter rail ⓘ |
| usedFor |
operational purposes
ⓘ
ticketing ⓘ timetables ⓘ |
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: STM Description of subject: STM is the station code for Smithtown station, a Long Island Rail Road commuter rail stop in Smithtown, New York.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.