Cannonball (for flagship express train)
E367399
The Cannonball is the Long Island Rail Road’s premier seasonal express train to the Hamptons and Montauk, known for its limited stops and upscale summer service.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Cannonball (for flagship express train) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3541340 — 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: Cannonball (for flagship express train) Context triple: [LIRR Montauk Branch, hasNickname, Cannonball (for flagship express train)]
-
A.
Royal Blue passenger train
The Royal Blue passenger train was a famed luxury streamliner that provided premier passenger service between New York City and Washington, D.C. for the Baltimore and Ohio Railroad.
-
B.
Champion (train)
Champion (train) was a prominent Seaboard passenger train that provided streamlined intercity service along the U.S. East Coast, particularly between New York and Florida.
-
C.
Crescent (train)
The Crescent is a long-distance Amtrak passenger train that runs daily between New York City and New Orleans, serving major cities along the U.S. East Coast and Deep South.
-
D.
Super Chief
Super Chief was a famed luxury passenger train operated by the Atchison, Topeka and Santa Fe Railway, renowned for its streamlined design and high-end service between Chicago and Los Angeles.
-
E.
Silver Star (train)
The Silver Star is an Amtrak long-distance passenger train that operates between New York City and Miami, serving major cities along the U.S. East Coast.
- 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: Cannonball (for flagship express train) Target entity description: The Cannonball is the Long Island Rail Road’s premier seasonal express train to the Hamptons and Montauk, known for its limited stops and upscale summer service.
-
A.
Royal Blue passenger train
The Royal Blue passenger train was a famed luxury streamliner that provided premier passenger service between New York City and Washington, D.C. for the Baltimore and Ohio Railroad.
-
B.
Champion (train)
Champion (train) was a prominent Seaboard passenger train that provided streamlined intercity service along the U.S. East Coast, particularly between New York and Florida.
-
C.
Crescent (train)
The Crescent is a long-distance Amtrak passenger train that runs daily between New York City and New Orleans, serving major cities along the U.S. East Coast and Deep South.
-
D.
Super Chief
Super Chief was a famed luxury passenger train operated by the Atchison, Topeka and Santa Fe Railway, renowned for its streamlined design and high-end service between Chicago and Los Angeles.
-
E.
Silver Star (train)
The Silver Star is an Amtrak long-distance passenger train that operates between New York City and Miami, serving major cities along the U.S. East Coast.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
express passenger train service
ⓘ
named train ⓘ |
| classOfTravel |
reserved seating
ⓘ
unreserved seating ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| electrification | diesel-hauled east of electrified territory ⓘ |
| endPointTown | Montauk ⓘ |
| frequency | weekly ⓘ |
| locomotiveType | diesel-electric locomotive ⓘ |
| nickname |
Cannonball express train to the Hamptons
ⓘ
surface form:
Hamptons express
|
| notableFeature |
busiest and most publicized LIRR summer train
ⓘ
flagship express train of the Long Island Rail Road to the Hamptons ⓘ |
| onboardService |
bar car
ⓘ
food and beverage service ⓘ |
| operator |
Long Island Rail Road
ⓘ
Metropolitan Transportation Authority ⓘ |
| owner | Metropolitan Transportation Authority ⓘ |
| primaryDirection |
eastbound
ⓘ
westbound ⓘ |
| railGauge | standard gauge ⓘ |
| railwayCompany | Long Island Rail Road ⓘ |
| railwayLineUsed | Montauk Branch ⓘ |
| railwayNetwork |
Long Island Rail Road
ⓘ
surface form:
LIRR network
|
| railwayRoute |
East End of Long Island
ⓘ
surface form:
New York City–Hamptons–Montauk
|
| regionServed |
Hamptons
ⓘ
Long Island ⓘ Montauk ⓘ |
| rollingStockUsed | C3 bilevel coaches ⓘ |
| season | summer ⓘ |
| serviceBranding |
Cannonball express train to the Hamptons
ⓘ
surface form:
Cannonball to the Hamptons
|
| serviceClass |
premium service
ⓘ
upscale summer service ⓘ |
| servicePattern |
limited stops
ⓘ
nonstop segment between New York City and the Hamptons on some runs ⓘ |
| serviceType |
express service
ⓘ
seasonal service ⓘ |
| startPointCity | New York City ⓘ |
| startStationHistorical | Long Island City station ⓘ |
| stateServed | New York ⓘ |
| targetPassengers |
leisure travelers
ⓘ
summer weekend travelers ⓘ |
| terminus |
Hunterspoint Avenue station
ⓘ
Jamaica Station ⓘ
surface form:
Jamaica station
Montauk station ⓘ Penn Station (New York City) ⓘ
surface form:
New York Penn Station
|
| timeOfOperation |
afternoon departure from New York City
ⓘ
evening arrival in the Hamptons ⓘ |
| typicalOperationDay | Friday ⓘ |
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: Cannonball (for flagship express train) Description of subject: The Cannonball is the Long Island Rail Road’s premier seasonal express train to the Hamptons and Montauk, known for its limited stops and upscale summer service.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.