Green Line as C Line
E81529
The Green Line, now known as the C Line, is a light rail route in the Los Angeles Metro Rail system that runs east–west through the South Bay region, connecting communities near LAX to Norwalk.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Green Line as C Line canonical | 1 |
| renamed as C Line | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T647743 — 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: Green Line as C Line Context triple: [Los Angeles Metro Rail, rebrandedLine, Green Line as C Line]
-
A.
Red Line as B Line and D Line
The Red Line, now known as the B Line and D Line, is a major rapid transit subway corridor in the Los Angeles Metro Rail system serving key destinations across the city.
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B.
Green Line
The Green Line is one of the color-coded rapid transit routes in the Washington Metro system, serving key neighborhoods in Washington, D.C. and parts of Maryland.
-
C.
Green Line
The Green Line is one of Chicago's elevated rapid transit routes, running primarily along the city's West and South Sides as part of the Chicago "L" system.
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D.
Green Line
The Green Line is a light rail service in the Boston metropolitan area operated by the Massachusetts Bay Transportation Authority (MBTA), known for serving key downtown and surrounding neighborhoods.
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E.
MAX Green Line
MAX Green Line is a light rail service in the Portland, Oregon metropolitan area that connects downtown Portland with Clackamas Town Center as part of TriMet’s MAX Light Rail system.
- 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: Green Line as C Line Target entity description: The Green Line, now known as the C Line, is a light rail route in the Los Angeles Metro Rail system that runs east–west through the South Bay region, connecting communities near LAX to Norwalk.
-
A.
Red Line as B Line and D Line
The Red Line, now known as the B Line and D Line, is a major rapid transit subway corridor in the Los Angeles Metro Rail system serving key destinations across the city.
-
B.
Green Line
The Green Line is one of the color-coded rapid transit routes in the Washington Metro system, serving key neighborhoods in Washington, D.C. and parts of Maryland.
-
C.
Green Line
The Green Line is one of Chicago's elevated rapid transit routes, running primarily along the city's West and South Sides as part of the Chicago "L" system.
-
D.
Green Line
The Green Line is a light rail service in the Boston metropolitan area operated by the Massachusetts Bay Transportation Authority (MBTA), known for serving key downtown and surrounding neighborhoods.
-
E.
MAX Green Line
MAX Green Line is a light rail service in the Portland, Oregon metropolitan area that connects downtown Portland with Clackamas Town Center as part of TriMet’s MAX Light Rail system.
- F. None of above. chosen
Statements (30)
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: Green Line as C Line Description of subject: The Green Line, now known as the C Line, is a light rail route in the Los Angeles Metro Rail system that runs east–west through the South Bay region, connecting communities near LAX to Norwalk.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Green Line (Los Angeles Metro)
this entity surface form:
renamed as C Line