D Line (Los Angeles Metro)
E203637
The D Line is a heavy-rail subway route in the Los Angeles Metro system that runs primarily beneath Wilshire Boulevard, connecting downtown Los Angeles with the city’s westside.
All labels observed (6)
| Label | Occurrences |
|---|---|
| D Line (Los Angeles Metro) canonical | 27 |
| Los Angeles Metro D Line | 6 |
| LA Metro D Line | 2 |
| B Line (Los Angeles Metro) | 1 |
| D Line at 7th Street/Metro Center | 1 |
| Wilshire/Western (as part of future D Line branch) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1756117 — 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: D Line (Los Angeles Metro) Context triple: [Metro Rail (Los Angeles), hasLine, D Line (Los Angeles Metro)]
-
A.
Metro J Line
The Metro J Line is a bus rapid transit service in Los Angeles County that provides high-frequency, limited-stop connections along key north-south and east-west corridors.
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B.
LA Metro A Line
The LA Metro A Line is a light rail line in Los Angeles County that connects downtown Los Angeles with several surrounding communities, including Pasadena and Long Beach.
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C.
Metro E Line
The Metro E Line is a light rail line in Los Angeles that runs between East Los Angeles and Santa Monica, providing a major east–west transit corridor across the city.
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D.
Los Angeles Metro Rail
Los Angeles Metro Rail is a rapid transit system serving Los Angeles County, California, consisting of multiple light rail and subway lines that connect key neighborhoods, business districts, and regional destinations.
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E.
LAX–Union Station route
The LAX–Union Station route is a FlyAway Bus service that provides direct, frequent shuttle transportation between Los Angeles International Airport and downtown’s Union Station.
- 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: D Line (Los Angeles Metro) Target entity description: The D Line is a heavy-rail subway route in the Los Angeles Metro system that runs primarily beneath Wilshire Boulevard, connecting downtown Los Angeles with the city’s westside.
-
A.
Metro J Line
The Metro J Line is a bus rapid transit service in Los Angeles County that provides high-frequency, limited-stop connections along key north-south and east-west corridors.
-
B.
LA Metro A Line
The LA Metro A Line is a light rail line in Los Angeles County that connects downtown Los Angeles with several surrounding communities, including Pasadena and Long Beach.
-
C.
Metro E Line
The Metro E Line is a light rail line in Los Angeles that runs between East Los Angeles and Santa Monica, providing a major east–west transit corridor across the city.
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D.
Los Angeles Metro Rail
Los Angeles Metro Rail is a rapid transit system serving Los Angeles County, California, consisting of multiple light rail and subway lines that connect key neighborhoods, business districts, and regional destinations.
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E.
LAX–Union Station route
The LAX–Union Station route is a FlyAway Bus service that provides direct, frequent shuttle transportation between Los Angeles International Airport and downtown’s Union Station.
- F. None of above. chosen
Statements (50)
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: D Line (Los Angeles Metro) Description of subject: The D Line is a heavy-rail subway route in the Los Angeles Metro system that runs primarily beneath Wilshire Boulevard, connecting downtown Los Angeles with the city’s westside.
Referenced by (38)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Metro Rail
linked to: D Line (Los Angeles Metro)
linked to: D Line (Los Angeles Metro)
linked to: D Line (Los Angeles Metro)
subject linked to:
A Line
linked to: D Line (Los Angeles Metro)
subject linked to:
A Line
subject linked to:
B Line
subject linked to:
Red Line as B Line and D Line
subject linked to:
Red Line as B Line and D Line
subject linked to:
E Line
linked to: D Line (Los Angeles Metro)
linked to: D Line (Los Angeles Metro)
subject linked to:
Red Line
subject linked to:
Red Line
linked to: D Line (Los Angeles Metro)
linked to: D Line (Los Angeles Metro)
linked to: D Line (Los Angeles Metro)
linked to: D Line (Los Angeles Metro)
linked to: D Line (Los Angeles Metro)