Jamaica Line
E93400
The Jamaica Line is an elevated New York City Subway corridor in Brooklyn and Queens that carries services such as the M train.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Jamaica Line canonical | 7 |
| Jamaica Line Z service | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T779895 — 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: Jamaica Line Context triple: [M train, hasRouteThrough, Jamaica Line]
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A.
Jamaica Yard
Jamaica Yard is a major New York City Subway maintenance and storage facility in Queens that services and houses trains on several lines, including the E train.
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B.
Ashton Line
The Ashton Line is a light-rail route on Greater Manchester’s Metrolink network that runs between Manchester city centre and Ashton-under-Lyne.
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C.
River Windrush
The River Windrush is a picturesque tributary of the River Thames in the Cotswolds and Oxfordshire, England, known for flowing through towns such as Bourton-on-the-Water and Witney.
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D.
Cutty Sark
Cutty Sark is a famous 19th-century British clipper ship preserved as a museum ship and historic landmark in London.
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E.
Dorado
Dorado is a coastal municipality in northern Puerto Rico known for its upscale resorts, golf courses, and residential communities.
- 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: Jamaica Line Target entity description: The Jamaica Line is an elevated New York City Subway corridor in Brooklyn and Queens that carries services such as the M train.
-
A.
Jamaica Yard
Jamaica Yard is a major New York City Subway maintenance and storage facility in Queens that services and houses trains on several lines, including the E train.
-
B.
Ashton Line
The Ashton Line is a light-rail route on Greater Manchester’s Metrolink network that runs between Manchester city centre and Ashton-under-Lyne.
-
C.
River Windrush
The River Windrush is a picturesque tributary of the River Thames in the Cotswolds and Oxfordshire, England, known for flowing through towns such as Bourton-on-the-Water and Witney.
-
D.
Cutty Sark
Cutty Sark is a famous 19th-century British clipper ship preserved as a museum ship and historic landmark in London.
-
E.
Dorado
Dorado is a coastal municipality in northern Puerto Rico known for its upscale resorts, golf courses, and residential communities.
- F. None of above. chosen
Statements (46)
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: Jamaica Line Description of subject: The Jamaica Line is an elevated New York City Subway corridor in Brooklyn and Queens that carries services such as the M train.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Jamaica Line