Blue Line corridor
E1033712
The Blue Line corridor is a major light rail transit route in Los Angeles County that links downtown Los Angeles with Long Beach, serving numerous communities along its southbound path.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Blue Line corridor canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13260393 — 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: Blue Line corridor Context triple: [A Line (Los Angeles Metro), connectsCorridor, Blue Line corridor]
-
A.
Blue Line
The Blue Line is one of Boston's MBTA rapid transit routes, running primarily between downtown Boston and the coastal communities of East Boston and Revere.
-
B.
Blue Line
The Blue Line is a primary light rail route of the San Diego Trolley system, running through key corridors of the San Diego metropolitan area.
-
C.
Blue Line
The Blue Line is one of the primary routes of the MetroLink light rail system serving the St. Louis metropolitan area.
-
D.
Blue Line
The Blue Line is one of the main rapid transit corridors of the Hyderabad Metro system in Hyderabad, India.
-
E.
Blue Line
The Blue Line is one of the primary light rail transit routes in Calgary's CTrain system, serving key corridors across 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: Blue Line corridor Target entity description: The Blue Line corridor is a major light rail transit route in Los Angeles County that links downtown Los Angeles with Long Beach, serving numerous communities along its southbound path.
-
A.
Blue Line
The Blue Line is one of Boston's MBTA rapid transit routes, running primarily between downtown Boston and the coastal communities of East Boston and Revere.
-
B.
Blue Line
The Blue Line is a primary light rail route of the San Diego Trolley system, running through key corridors of the San Diego metropolitan area.
-
C.
Blue Line
The Blue Line is one of the main lines of the Lisbon Metro system, serving key central and northern areas of Portugal’s capital city.
-
D.
Blue Line
The Blue Line is a light rail route in the Dallas Area Rapid Transit (DART) system serving key neighborhoods and suburbs in the Dallas–Fort Worth metroplex.
-
E.
Blue Line
The Blue Line is one of the primary routes of the MetroLink light rail system serving the St. Louis metropolitan area.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
light rail transit corridor
ⓘ
public transportation corridor ⓘ |
| alsoKnownAs | A Line corridor NERFINISHED ⓘ |
| connects |
Downtown Long Beach
NERFINISHED
ⓘ
Downtown Los Angeles NERFINISHED ⓘ |
| corridorDirection | north–south ⓘ |
| currentlyServedBy | Metro A Line NERFINISHED ⓘ |
| hasRouteColor | blue ⓘ |
| historicallyServedBy | Metro Blue Line NERFINISHED ⓘ |
| infrastructureType | rail transit right-of-way ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
Los Angeles County NERFINISHED ⓘ United States of America ⓘ
surface form:
United States
|
| operatedBy | Los Angeles County Metropolitan Transportation Authority NERFINISHED ⓘ |
| partOf | Los Angeles County Metro Rail system NERFINISHED ⓘ |
| primaryFunction | link downtown Los Angeles with Long Beach ⓘ |
| servesCity |
Long Beach
NERFINISHED
ⓘ
Los Angeles NERFINISHED ⓘ |
| servesCommunity |
Compton
NERFINISHED
ⓘ
Downtown Long Beach area NERFINISHED ⓘ Florence NERFINISHED ⓘ Historic South-Central NERFINISHED ⓘ South Los Angeles NERFINISHED ⓘ Vernon NERFINISHED ⓘ Watts NERFINISHED ⓘ Willowbrook NERFINISHED ⓘ |
| transitMode | light rail ⓘ |
| usedFor |
commuter travel
ⓘ
local urban transit ⓘ |
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: Blue Line corridor Description of subject: The Blue Line corridor is a major light rail transit route in Los Angeles County that links downtown Los Angeles with Long Beach, serving numerous communities along its southbound path.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
A Line (Los Angeles Metro)