Green Line
E473609
The Green Line is a light rail service route within the San Diego Trolley system that connects key destinations across the San Diego metropolitan area.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Green Line canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T4679785 — 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 Context triple: [San Diego Trolley, hasLine, Green Line]
-
A.
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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B.
Green Line
The Green Line is one of the color-coded routes of the Tyne and Wear Metro rapid transit system serving the Newcastle upon Tyne area in northeast England.
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C.
Green Line
The Green Line is one of the main rapid transit routes of the Dubai Metro, serving key districts along Dubai Creek and connecting important commercial and residential areas.
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D.
Green Line
The Green Line is one of the major corridors of the Delhi Metro network, serving western parts of Delhi and connecting key residential and industrial areas to the rest of the city.
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E.
Green Line
The Green Line is one of the main rapid transit corridors of the Chennai Metro system in Chennai, India, connecting key areas of the city via elevated and underground stations.
- 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 Target entity description: The Green Line is a light rail service route within the San Diego Trolley system that connects key destinations across the San Diego metropolitan area.
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A.
Green Line
The Green Line is a light rail service operated by Sacramento Regional Transit that connects key areas within the Sacramento metropolitan region.
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B.
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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C.
Green Line
The Green Line is a light rail route in Dallas, Texas, operated by Dallas Area Rapid Transit (DART), running through key areas including downtown and connecting several suburbs.
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D.
Green Line
The Green Line is a light rail and subway–surface transit line in Philadelphia operated by SEPTA, serving multiple routes that run through Center City and into West Philadelphia.
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E.
Green Line
The Green Line was the former name of Los Angeles Metro's C Line, a light rail route serving the South Bay region and connecting to LAX via nearby stations.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
light rail line
ⓘ
public transit route ⓘ |
| color | green ⓘ |
| connects | key destinations across the San Diego metropolitan area ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| electrification | overhead catenary ⓘ |
| fareCollection | proof-of-payment system ⓘ |
| fareSystem | MTS fare system ⓘ |
| hasMode | rail ⓘ |
| hasServiceType |
commuter transit
ⓘ
urban rail transit ⓘ |
| isNamedAfter | its line color in the San Diego Trolley system ⓘ |
| isPartOfNetwork | San Diego Trolley network NERFINISHED ⓘ |
| locatedIn |
San Diego County
ⓘ
surface form:
San Diego County, California
San Diego, California NERFINISHED ⓘ United States of America ⓘ
surface form:
United States
|
| operator | San Diego Metropolitan Transit System NERFINISHED ⓘ |
| owner | San Diego Metropolitan Transit System NERFINISHED ⓘ |
| partOf | San Diego Trolley NERFINISHED ⓘ |
| railGauge | standard gauge ⓘ |
| regionServed | Southern California ⓘ |
| serves | San Diego metropolitan area NERFINISHED ⓘ |
| system | San Diego Trolley NERFINISHED ⓘ |
| transportType | light rail ⓘ |
| usesRollingStock | San Diego Trolley light rail vehicles NERFINISHED ⓘ |
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 Description of subject: The Green Line is a light rail service route within the San Diego Trolley system that connects key destinations across the San Diego metropolitan area.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.