UC San Diego Blue Line
E461814
The UC San Diego Blue Line is a light rail route in the San Diego Trolley system that runs from the U.S.–Mexico border through downtown San Diego to the UC San Diego/La Jolla area.
All labels observed (1)
| Label | Occurrences |
|---|---|
| UC San Diego Blue Line canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4679786 — 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: UC San Diego Blue Line Context triple: [San Diego Trolley, hasLine, UC San Diego Blue Line]
-
A.
SDSU
SDSU is a common abbreviation for South Dakota State University, a public research university in Brookings, South Dakota, known for its Jackrabbits athletic programs.
-
B.
San Diego State University
San Diego State University is a large public research university in San Diego known for its diverse academic programs, strong research activity, and vibrant campus life in Southern California.
-
C.
UC San Diego Tritons men's basketball
UC San Diego Tritons men's basketball is the NCAA Division I men's basketball program of the University of California, San Diego, competing in the Big West Conference and representing the Tritons in intercollegiate play.
-
D.
University of California, San Diego
The University of California, San Diego is a leading public research university in La Jolla, California, renowned for its strengths in science, engineering, medicine, and the arts.
-
E.
UC San Diego Tritons baseball
UC San Diego Tritons baseball is the NCAA Division I baseball program representing the University of California, San Diego, competing in the Big West Conference.
- 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: UC San Diego Blue Line Target entity description: The UC San Diego Blue Line is a light rail route in the San Diego Trolley system that runs from the U.S.–Mexico border through downtown San Diego to the UC San Diego/La Jolla area.
-
A.
SDSU
SDSU is a common abbreviation for South Dakota State University, a public research university in Brookings, South Dakota, known for its Jackrabbits athletic programs.
-
B.
San Diego State University
San Diego State University is a large public research university in San Diego known for its diverse academic programs, strong research activity, and vibrant campus life in Southern California.
-
C.
UC San Diego Tritons men's basketball
UC San Diego Tritons men's basketball is the NCAA Division I men's basketball program of the University of California, San Diego, competing in the Big West Conference and representing the Tritons in intercollegiate play.
-
D.
University of California, San Diego
The University of California, San Diego is a leading public research university in La Jolla, California, renowned for its strengths in science, engineering, medicine, and the arts.
-
E.
UC San Diego Tritons baseball
UC San Diego Tritons baseball is the NCAA Division I baseball program representing the University of California, San Diego, competing in the Big West Conference.
- F. None of above. chosen
Statements (55)
| Predicate | Object |
|---|---|
| instanceOf |
San Diego Trolley line
ⓘ
light rail line ⓘ |
| borderProximity | U.S.–Mexico border at San Ysidro NERFINISHED ⓘ |
| color | blue ⓘ |
| connects |
Downtown San Diego
NERFINISHED
ⓘ
U.S.–Mexico border NERFINISHED ⓘ UC San Diego/La Jolla area NERFINISHED ⓘ |
| connectsWith |
Green Line
NERFINISHED
ⓘ
Orange Line NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| electrification | overhead catenary ⓘ |
| extensionName | Mid-Coast Trolley extension NERFINISHED ⓘ |
| fareSystem | MTS fare system ⓘ |
| hasStation |
12th & Imperial Transit Center
NERFINISHED
ⓘ
America Plaza station NERFINISHED ⓘ Bayfront/E Street area stations ⓘ City College station NERFINISHED ⓘ E Street station NERFINISHED ⓘ Executive Drive station NERFINISHED ⓘ Fifth Avenue station NERFINISHED ⓘ H Street station NERFINISHED ⓘ Iris Avenue station NERFINISHED ⓘ Middletown station NERFINISHED ⓘ Morena/Linda Vista station NERFINISHED ⓘ National City stations ⓘ Nobel Drive station NERFINISHED ⓘ Old Town Transit Center NERFINISHED ⓘ Palm Avenue station NERFINISHED ⓘ Park & Market station NERFINISHED ⓘ San Ysidro Transit Center NERFINISHED ⓘ Tecolote Road station NERFINISHED ⓘ UC San Diego Central Campus station NERFINISHED ⓘ UC San Diego Health La Jolla station NERFINISHED ⓘ UTC Transit Center NERFINISHED ⓘ VA Medical Center station NERFINISHED ⓘ Washington Street station NERFINISHED ⓘ |
| locale | San Diego, California NERFINISHED ⓘ |
| openedExtensionToUCSD | November 21, 2021 ⓘ |
| operator | San Diego Metropolitan Transit System NERFINISHED ⓘ |
| partOf | San Diego Trolley network NERFINISHED ⓘ |
| previousName | Blue Line NERFINISHED ⓘ |
| region | San Diego County NERFINISHED ⓘ |
| serves |
Downtown San Diego
NERFINISHED
ⓘ
La Jolla area NERFINISHED ⓘ San Ysidro Port of Entry NERFINISHED ⓘ UC San Diego NERFINISHED ⓘ |
| system | San Diego Trolley NERFINISHED ⓘ |
| terminus |
America Plaza station
NERFINISHED
ⓘ
Old Town Transit Center NERFINISHED ⓘ San Ysidro Transit Center NERFINISHED ⓘ UC San Diego Central Campus NERFINISHED ⓘ UTC Transit Center NERFINISHED ⓘ |
| ticketing | Pronto card NERFINISHED ⓘ |
| trackGauge | standard gauge ⓘ |
| transitType | light rail ⓘ |
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: UC San Diego Blue Line Description of subject: The UC San Diego Blue Line is a light rail route in the San Diego Trolley system that runs from the U.S.–Mexico border through downtown San Diego to the UC San Diego/La Jolla area.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.