Buffalo Main Light Rail line on Main Street
E309748
The Buffalo Main Light Rail line on Main Street is a surface-running segment of Buffalo’s light rail system that serves the downtown core with frequent, fare-free transit along the city’s primary commercial corridor.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Buffalo Main Light Rail line on Main Street canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2904011 — 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: Buffalo Main Light Rail line on Main Street Context triple: [Ellicott Square Building, nearby, Buffalo Main Light Rail line on Main Street]
-
A.
Eighth Avenue Line in Manhattan
The Eighth Avenue Line in Manhattan is a major New York City Subway trunk line running under Eighth Avenue, carrying several IND services through Midtown and Upper Manhattan.
-
B.
Broadway Line in Manhattan
The Broadway Line in Manhattan is a major New York City Subway trunk line running under Broadway and serving as a key north–south corridor for multiple routes, including the W train.
-
C.
New York Central Railroad main line
The New York Central Railroad main line, famously known as the Water Level Route, was a major U.S. rail corridor connecting the Midwest to the East Coast along relatively flat terrain that followed river valleys and the Great Lakes.
-
D.
Fourth Avenue Line
The Fourth Avenue Line is a major New York City Subway trunk line in Brooklyn that carries several services, including the N train, along a north–south corridor.
-
E.
IND Queens Boulevard Line
The IND Queens Boulevard Line is a major New York City Subway trunk line in Queens that carries multiple services between Manhattan and eastern Queens via Queens Boulevard.
- 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: Buffalo Main Light Rail line on Main Street Target entity description: The Buffalo Main Light Rail line on Main Street is a surface-running segment of Buffalo’s light rail system that serves the downtown core with frequent, fare-free transit along the city’s primary commercial corridor.
-
A.
Eighth Avenue Line in Manhattan
The Eighth Avenue Line in Manhattan is a major New York City Subway trunk line running under Eighth Avenue, carrying several IND services through Midtown and Upper Manhattan.
-
B.
Broadway Line in Manhattan
The Broadway Line in Manhattan is a major New York City Subway trunk line running under Broadway and serving as a key north–south corridor for multiple routes, including the W train.
-
C.
New York Central Railroad main line
The New York Central Railroad main line, famously known as the Water Level Route, was a major U.S. rail corridor connecting the Midwest to the East Coast along relatively flat terrain that followed river valleys and the Great Lakes.
-
D.
Fourth Avenue Line
The Fourth Avenue Line is a major New York City Subway trunk line in Brooklyn that carries several services, including the N train, along a north–south corridor.
-
E.
IND Queens Boulevard Line
The IND Queens Boulevard Line is a major New York City Subway trunk line in Queens that carries multiple services between Manhattan and eastern Queens via Queens Boulevard.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
light rail line segment
ⓘ
surface-running transit corridor ⓘ |
| accessibility | intended to provide easy access to downtown businesses ⓘ |
| benefits | reduces need for short car trips in downtown Buffalo ⓘ |
| category |
Light rail in New York (state)
ⓘ
Public transport in Buffalo, New York ⓘ Street-running light rail lines in the United States ⓘ |
| corridorType | primary commercial corridor of Buffalo ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| farePolicy |
fare-free
ⓘ
no fare required within downtown surface segment ⓘ |
| fareZone | free-fare zone of Buffalo Metro Rail ⓘ |
| function |
connects key destinations in downtown Buffalo
ⓘ
supports downtown economic activity ⓘ |
| locatedIn |
Buffalo
ⓘ
surface form:
Buffalo, New York
Theatre District, Buffalo ⓘ
surface form:
Downtown Buffalo
|
| mode | electric rail transit ⓘ |
| networkRole | central segment of Buffalo Metro Rail line ⓘ |
| operatedBy | Niagara Frontier Transportation Authority ⓘ |
| owner | Niagara Frontier Transportation Authority ⓘ |
| partOf | Buffalo Metro Rail ⓘ |
| primaryUse | urban circulation within downtown ⓘ |
| rightOfWay | mixed with pedestrian and local traffic in downtown ⓘ |
| runsAlong | Main Street (Buffalo) ⓘ |
| serves | Main Street commercial district ⓘ |
| servesArea | downtown core of Buffalo ⓘ |
| servesAs | primary downtown transit spine ⓘ |
| servicePattern | frequent service ⓘ |
| serviceType | light rail transit ⓘ |
| trackAlignment | street-running ⓘ |
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: Buffalo Main Light Rail line on Main Street Description of subject: The Buffalo Main Light Rail line on Main Street is a surface-running segment of Buffalo’s light rail system that serves the downtown core with frequent, fare-free transit along the city’s primary commercial corridor.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Ellicott Square Building