D Line
E81527
The D Line is a heavy-rail subway route in the Los Angeles Metro system that runs primarily beneath Wilshire Boulevard, serving key neighborhoods between downtown Los Angeles and the city’s west side.
All labels observed (3)
| Label | Occurrences |
|---|---|
| D Line canonical | 10 |
| D Line Extension | 3 |
| D line | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T647711 — 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 Context triple: [Los Angeles Metro Rail, hasLine, D Line]
-
A.
C Line
The C Line is a light rail route in the Los Angeles Metro Rail system that runs primarily along the I-105 freeway corridor, connecting coastal and inland communities in the South Bay region.
-
B.
B Line
The B Line is a heavy-rail subway line in the Los Angeles Metro Rail system that runs primarily beneath Hollywood and Downtown Los Angeles.
-
C.
Valley Lines
Valley Lines is a suburban rail network serving Cardiff and the surrounding South Wales Valleys.
-
D.
Premier Line
Premier Line is the nickname of the London and North Western Railway, historically one of Britain’s largest and most prestigious railway companies.
-
E.
T Line
The T Line is a streetcar-style light rail route within the Sound Transit Link system serving Tacoma, Washington.
- 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 Target entity description: The D Line is a heavy-rail subway route in the Los Angeles Metro system that runs primarily beneath Wilshire Boulevard, serving key neighborhoods between downtown Los Angeles and the city’s west side.
-
A.
C Line
The C Line is a light rail route in the Los Angeles Metro Rail system that runs primarily along the I-105 freeway corridor, connecting coastal and inland communities in the South Bay region.
-
B.
B Line
The B Line is a heavy-rail subway line in the Los Angeles Metro Rail system that runs primarily beneath Hollywood and Downtown Los Angeles.
-
C.
Valley Lines
Valley Lines is a suburban rail network serving Cardiff and the surrounding South Wales Valleys.
-
D.
Premier Line
Premier Line is the nickname of the London and North Western Railway, historically one of Britain’s largest and most prestigious railway companies.
-
E.
T Line
The T Line is a streetcar-style light rail route within the Sound Transit Link system serving Tacoma, Washington.
- F. None of above. chosen
Statements (44)
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 Description of subject: The D Line is a heavy-rail subway route in the Los Angeles Metro system that runs primarily beneath Wilshire Boulevard, serving key neighborhoods between downtown Los Angeles and the city’s west side.
Referenced by (15)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: D Line
linked to: D Line
linked to: D Line
linked to: D Line
subject linked to:
Metro Red Line
subject linked to:
Metro Red Line
linked to: D Line