Orange Line
E526292
The Orange Line is a light rail service route within the San Diego Trolley system that connects several communities across the San Diego metropolitan area.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Orange Line canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4679784 — 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: Orange Line Context triple: [San Diego Trolley, hasLine, Orange Line]
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A.
Orange Line
The Orange Line is one of the primary rapid transit routes in the Washington Metro system, running east–west through Washington, D.C. and its Virginia and Maryland suburbs.
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B.
Orange Line
The Orange Line is a rapid transit route in the Boston metropolitan area that runs north–south through downtown as part of the MBTA subway system.
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C.
Orange Line
The Orange Line is a major corridor of the Delhi Metro system that connects central Delhi to the Indira Gandhi International Airport and surrounding areas.
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D.
Orange Line
The Orange Line is a planned corridor of Bengaluru’s Namma Metro system intended to expand rapid transit connectivity across additional parts of the city.
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E.
Orange Line
The Orange Line is one of the primary rapid transit routes in Montreal’s Metro system, running in a U-shaped corridor that connects several major residential and commercial districts 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: Orange Line Target entity description: The Orange Line is a light rail service route within the San Diego Trolley system that connects several communities across the San Diego metropolitan area.
-
A.
Orange Line
The Orange Line is a light rail route in the Dallas Area Rapid Transit (DART) system serving key destinations including Dallas/Fort Worth International Airport and several northern suburbs.
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B.
Orange Line
The Orange Line is a rapid transit route in the Boston metropolitan area that runs north–south through downtown as part of the MBTA subway system.
-
C.
Orange Line
The Orange Line is one of the primary rapid transit routes in the Washington Metro system, running east–west through Washington, D.C. and its Virginia and Maryland suburbs.
-
D.
Orange Line
The Orange Line is one of the primary rapid transit routes in Montreal’s Metro system, running in a U-shaped corridor that connects several major residential and commercial districts across the city.
-
E.
Orange Line
The Orange Line is a major corridor of the Delhi Metro system that connects central Delhi to the Indira Gandhi International Airport and surrounding areas.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
light rail line
ⓘ
public transit route ⓘ |
| category |
Light rail in California
ⓘ
San Diego Trolley lines NERFINISHED ⓘ |
| color | orange ⓘ |
| connects |
Downtown San Diego
NERFINISHED
ⓘ
East County communities ⓘ South Bay communities ⓘ Southeastern San Diego communities ⓘ |
| connectsWith |
Blue Line (San Diego Trolley)
NERFINISHED
ⓘ
Green Line (San Diego Trolley) NERFINISHED ⓘ multiple MTS bus routes ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| fareCollection | proof-of-payment system ⓘ |
| fareSystem | MTS fare system ⓘ |
| hasStation |
12th & Imperial Transit Center
NERFINISHED
ⓘ
Chula Vista stations ⓘ El Cajon Transit Center NERFINISHED ⓘ Encanto/62nd Street station NERFINISHED ⓘ Euclid Avenue station NERFINISHED ⓘ La Mesa Boulevard station NERFINISHED ⓘ Lemon Grove Depot NERFINISHED ⓘ Massachusetts Avenue station NERFINISHED ⓘ National City stations ⓘ Old Town Transit Center NERFINISHED ⓘ Santa Fe Depot NERFINISHED ⓘ Santee Town Center NERFINISHED ⓘ Spring Street station NERFINISHED ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
San Diego County ⓘ
surface form:
San Diego County, California
San Diego metropolitan area NERFINISHED ⓘ |
| mode | rail ⓘ |
| operator | San Diego Metropolitan Transit System NERFINISHED ⓘ |
| owner | San Diego Metropolitan Transit System NERFINISHED ⓘ |
| partOf |
San Diego Metropolitan Transit System
NERFINISHED
ⓘ
San Diego Trolley NERFINISHED ⓘ |
| poweredBy | electricity ⓘ |
| serves |
commuters
ⓘ
tourists ⓘ |
| serviceArea |
East County San Diego
ⓘ
San Diego metropolitan area NERFINISHED ⓘ South Bay region of San Diego County NERFINISHED ⓘ |
| system | San Diego Trolley NERFINISHED ⓘ |
| trackGauge | standard gauge ⓘ |
| transitType | light rail ⓘ |
| usesRollingStock | low-floor light rail vehicles ⓘ |
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: Orange Line Description of subject: The Orange Line is a light rail service route within the San Diego Trolley system that connects several communities across the San Diego metropolitan area.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.