Old Saybrook station
E609863
Old Saybrook station is a key passenger rail stop in Old Saybrook, Connecticut, serving Shore Line East commuter trains as well as Amtrak services along the Northeast Corridor.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Old Saybrook (Amtrak code: OSB) | 1 |
| Old Saybrook station canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6651969 — 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: Old Saybrook station Context triple: [Shore Line East, station, Old Saybrook station]
-
A.
Meriden station
Meriden station is a passenger rail station in Meriden, Connecticut, serving CTrail Hartford Line and Amtrak trains along the New Haven–Springfield corridor.
-
B.
Naugatuck station
Naugatuck station is a commuter rail stop in Naugatuck, Connecticut, served by Metro-North Railroad trains on the Waterbury Branch.
-
C.
Beacon Falls station
Beacon Falls station is a small commuter rail stop in Beacon Falls, Connecticut, served by Metro-North Railroad’s Waterbury Branch.
-
D.
West Hartford station
West Hartford station is a planned commuter rail stop in West Hartford, Connecticut, that will serve passengers on the CTrail Hartford Line.
-
E.
Waterbury station
Waterbury station is a Metro-North Railroad commuter rail station in Waterbury, Connecticut, serving as the primary rail hub for the city.
- 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: Old Saybrook station Target entity description: Old Saybrook station is a key passenger rail stop in Old Saybrook, Connecticut, serving Shore Line East commuter trains as well as Amtrak services along the Northeast Corridor.
-
A.
Meriden station
Meriden station is a passenger rail station in Meriden, Connecticut, serving CTrail Hartford Line and Amtrak trains along the New Haven–Springfield corridor.
-
B.
Naugatuck station
Naugatuck station is a commuter rail stop in Naugatuck, Connecticut, served by Metro-North Railroad trains on the Waterbury Branch.
-
C.
Beacon Falls station
Beacon Falls station is a small commuter rail stop in Beacon Falls, Connecticut, served by Metro-North Railroad’s Waterbury Branch.
-
D.
West Hartford station
West Hartford station is a planned commuter rail stop in West Hartford, Connecticut, that will serve passengers on the CTrail Hartford Line.
-
E.
Waterbury station
Waterbury station is a Metro-North Railroad commuter rail station in Waterbury, Connecticut, serving as the primary rail hub for the city.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
railway station
ⓘ
train station ⓘ |
| accessible | yes ⓘ |
| connectsTo | local bus services (operationally contingent) ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| electrified | yes ⓘ |
| fareSystem |
Amtrak national fare system
ⓘ
Shore Line East fare system ⓘ |
| hasAmenities |
bicycle racks
ⓘ
lighting ⓘ parking lot ⓘ seating ⓘ |
| hasBicycleFacilities | yes ⓘ |
| hasParking | yes ⓘ |
| hasParkingType | park-and-ride ⓘ |
| hasRestrooms | yes ⓘ |
| hasShelters | yes ⓘ |
| hasSignageLanguage | English ⓘ |
| hasStationBuilding | yes ⓘ |
| hasTicketOffice | yes (hours may be limited) ⓘ |
| hasTicketVendingMachines | yes ⓘ |
| hasWaitingRoom | yes ⓘ |
| hasZone | Shore Line East fare zone for Old Saybrook ⓘ |
| isKeyStopFor |
Amtrak services between New York City and Boston
ⓘ
Shore Line East ⓘ |
| locatedIn |
Old Saybrook, Connecticut
ⓘ
linked to:
Old Saybrook, Connecticut, United States
|
| locatedInAdministrativeTerritory |
Connecticut
ⓘ
Middlesex County, Connecticut ⓘ |
| locatedNear |
Connecticut shoreline
ⓘ
Old Saybrook town center ⓘ
linked to:
Old Saybrook, Connecticut, United States
|
| locatedOn | Northeast Corridor ⓘ |
| operator |
Amtrak
ⓘ
Connecticut Department of Transportation ⓘ |
| owner | Connecticut Department of Transportation ⓘ |
| partOf |
Amtrak Northeast Corridor network
ⓘ
linked to:
Northeast Corridor
Shore Line East network ⓘ
linked to:
Shore Line East
|
| platformCount | 2 island platforms (approximate, subject to configuration) ⓘ |
| platformType | high-level platforms ⓘ |
| railLine |
Northeast Corridor main line
ⓘ
linked to:
Northeast Corridor
Shore Line East main line ⓘ
linked to:
Shore Line East
|
| servedBy |
Amtrak
ⓘ
Shore Line East ⓘ |
| servedByService |
Amtrak Acela (select trains, historically/operationally contingent)
ⓘ
linked to:
Amtrak Acela
Amtrak Northeast Regional ⓘ Amtrak Valley Flyer (operationally contingent) ⓘ
linked to:
Amtrak Valley Flyer
|
| serves |
commuter rail passengers
ⓘ
intercity rail passengers ⓘ |
| structureType | at-grade station ⓘ |
| trackCount | 3 or more mainline tracks (approximate, subject to configuration) ⓘ |
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: Old Saybrook station Description of subject: Old Saybrook station is a key passenger rail stop in Old Saybrook, Connecticut, serving Shore Line East commuter trains as well as Amtrak services along the Northeast Corridor.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Old Saybrook station