Baltimore Light RailLink
E3252
Baltimore Light RailLink is a light rail transit system serving the Baltimore metropolitan area, connecting key locations including downtown Baltimore and Baltimore/Washington International Thurgood Marshall Airport.
All labels observed (8)
How this entity was disambiguated
This entity first appeared as the object of triple T35931 — 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: Baltimore Light RailLink Context triple: [Baltimore/Washington International Thurgood Marshall Airport, hasGroundTransport, Baltimore Light RailLink]
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A.
Washington Metro
Washington Metro is the rapid transit system serving the Washington, D.C. metropolitan area, known for its extensive rail network connecting the city with its suburbs in Maryland and Virginia.
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B.
Virginia Railway Express
Virginia Railway Express is a commuter rail service that connects Northern Virginia suburbs with Washington, D.C., primarily serving daily work commuters.
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C.
MBTA Red Line
The MBTA Red Line is a major rapid transit line in the Boston metropolitan area that runs through key communities including Cambridge, connecting them to downtown Boston and other parts of the region.
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D.
SEPTA Subway–Surface Trolley Lines
The SEPTA Subway–Surface Trolley Lines are a network of light rail routes in Philadelphia that operate partly in subway tunnels and partly on city streets, connecting Center City with West Philadelphia and surrounding neighborhoods.
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E.
Portland Streetcar
Portland Streetcar is a modern urban streetcar transit system serving central Portland, Oregon, connecting key neighborhoods, employment centers, and educational institutions.
- 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: Baltimore Light RailLink Target entity description: Baltimore Light RailLink is a light rail transit system serving the Baltimore metropolitan area, connecting key locations including downtown Baltimore and Baltimore/Washington International Thurgood Marshall Airport.
-
A.
Washington Metro
Washington Metro is the rapid transit system serving the Washington, D.C. metropolitan area, known for its extensive rail network connecting the city with its suburbs in Maryland and Virginia.
-
B.
Virginia Railway Express
Virginia Railway Express is a commuter rail service that connects Northern Virginia suburbs with Washington, D.C., primarily serving daily work commuters.
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C.
MBTA Red Line
The MBTA Red Line is a major rapid transit line in the Boston metropolitan area that runs through key communities including Cambridge, connecting them to downtown Boston and other parts of the region.
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D.
SEPTA Subway–Surface Trolley Lines
The SEPTA Subway–Surface Trolley Lines are a network of light rail routes in Philadelphia that operate partly in subway tunnels and partly on city streets, connecting Center City with West Philadelphia and surrounding neighborhoods.
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E.
Portland Streetcar
Portland Streetcar is a modern urban streetcar transit system serving central Portland, Oregon, connecting key neighborhoods, employment centers, and educational institutions.
- F. None of above. chosen
Statements (48)
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: Baltimore Light RailLink Description of subject: Baltimore Light RailLink is a light rail transit system serving the Baltimore metropolitan area, connecting key locations including downtown Baltimore and Baltimore/Washington International Thurgood Marshall Airport.
Referenced by (47)
Full triples — surface form annotated when it differs from this entity's canonical label.
Baltimore/Washington International Thurgood Marshall Airport
→
hasGroundTransport
→
Baltimore Light RailLink
ⓘ
linked to: Baltimore Light RailLink
linked to: Baltimore Light RailLink
linked to: Baltimore Light RailLink
linked to: Baltimore Light RailLink
linked to: Baltimore Light RailLink
linked to: Baltimore Light RailLink
subject linked to:
Timonium, Maryland, United States
subject linked to:
Yellow Line
linked to: Baltimore Light RailLink
linked to: Baltimore Light RailLink
linked to: Baltimore Light RailLink
subject linked to:
MARC Train stations
linked to: Baltimore Light RailLink