Oakland City Center/12th Street station
E87164
Oakland City Center/12th Street station is a major underground rapid transit hub in downtown Oakland, California, serving multiple Bay Area Rapid Transit (BART) lines.
All labels observed (8)
How this entity was disambiguated
This entity first appeared as the object of triple T664086 — 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: Oakland City Center/12th Street station Context triple: [BART, hasStation, Oakland City Center/12th Street station]
-
A.
Montgomery Street station
Montgomery Street station is a major Bay Area Rapid Transit (BART) and Muni Metro subway station serving downtown San Francisco’s Financial District.
-
B.
36th Street station
36th Street station is a key SEPTA trolley stop in Philadelphia serving the Subway–Surface Trolley Lines near the University of Pennsylvania.
-
C.
Pearl/Arts District station
Pearl/Arts District station is a Dallas Area Rapid Transit (DART) light rail station serving downtown Dallas and the adjacent Arts District.
-
D.
33rd Street station
33rd Street station is a major underground trolley stop in Philadelphia serving SEPTA’s Subway–Surface lines near Drexel University and the University of Pennsylvania.
-
E.
15th Street station
15th Street station is a major underground transit hub in Center City Philadelphia that connects SEPTA’s subway–surface trolleys with the Market–Frankford Line and nearby regional rail services.
- 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: Oakland City Center/12th Street station Target entity description: Oakland City Center/12th Street station is a major underground rapid transit hub in downtown Oakland, California, serving multiple Bay Area Rapid Transit (BART) lines.
-
A.
Montgomery Street station
Montgomery Street station is a major Bay Area Rapid Transit (BART) and Muni Metro subway station serving downtown San Francisco’s Financial District.
-
B.
36th Street station
36th Street station is a key SEPTA trolley stop in Philadelphia serving the Subway–Surface Trolley Lines near the University of Pennsylvania.
-
C.
Pearl/Arts District station
Pearl/Arts District station is a Dallas Area Rapid Transit (DART) light rail station serving downtown Dallas and the adjacent Arts District.
-
D.
33rd Street station
33rd Street station is a major underground trolley stop in Philadelphia serving SEPTA’s Subway–Surface lines near Drexel University and the University of Pennsylvania.
-
E.
15th Street station
15th Street station is a major underground transit hub in Center City Philadelphia that connects SEPTA’s subway–surface trolleys with the Market–Frankford Line and nearby regional rail services.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
BART station
ⓘ
rapid transit station ⓘ underground railway station ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| fareSystem |
BART faregates
ⓘ
proof-of-payment ⓘ |
| fareZone | BART standard zone system ⓘ |
| hasAccessibility | wheelchair accessible ⓘ |
| hasBicycleFacilities |
bicycle lockers
ⓘ
bicycle racks ⓘ |
| hasConnection |
AC Transit bus services
ⓘ
local buses ⓘ transbay buses ⓘ |
| hasEntrance |
Broadway entrances
ⓘ
Oakland City Center concourse entrances ⓘ |
| hasLevel |
mezzanine level
ⓘ
platform level ⓘ |
| hasPlatforms | 2 ⓘ |
| hasPlatformType |
island platform
ⓘ
side platform ⓘ |
| hasServicePattern | multiple intersecting BART lines ⓘ |
| hasTracks | 3 ⓘ |
| isMajorHubFor |
BART
ⓘ
surface form:
BART system
|
| isPartOf |
BART
ⓘ
surface form:
BART Oakland subway
|
| isTransferStation | yes ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
Oakland ⓘ downtown Oakland ⓘ |
| locatedInMetropolitanArea | San Francisco Bay Area ⓘ |
| locatedNear |
Downtown Oakland
ⓘ
surface form:
Downtown Oakland office district
Frank H. Ogawa Plaza ⓘ Oakland City Center ⓘ Oakland City Hall ⓘ |
| locatedUnder | Broadway ⓘ |
| opened | 1972 ⓘ |
| operatedBy |
BART
ⓘ
surface form:
Bay Area Rapid Transit
|
| ownedBy |
BART
ⓘ
surface form:
Bay Area Rapid Transit
|
| partOfNetwork |
BART
ⓘ
surface form:
Bay Area Rapid Transit
|
| serves |
BART
ⓘ
surface form:
Bay Area Rapid Transit
|
| servesDistrict |
Downtown Oakland
ⓘ
Oakland City Center ⓘ
surface form:
Oakland City Center business district
|
| servesLine |
BART Antioch–SFO+Millbrae line
ⓘ
BART Green Line ⓘ
surface form:
BART Berryessa/North San José–Richmond line
Dublin/Pleasanton–Daly City line ⓘ
surface form:
BART Dublin/Pleasanton–Daly City line
Richmond–Millbrae line ⓘ
surface form:
BART Richmond–Daly City/Millbrae line
Richmond–Millbrae line ⓘ
surface form:
BART Richmond–Millbrae+SFO line
|
| structureType | underground ⓘ |
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: Oakland City Center/12th Street station Description of subject: Oakland City Center/12th Street station is a major underground rapid transit hub in downtown Oakland, California, serving multiple Bay Area Rapid Transit (BART) lines.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Oakland City Center/12th Street BART station
this entity surface form:
12th Street Oakland City Center station
this entity surface form:
Oakland City Center–12th Street BART station
this entity surface form:
12th Street Oakland City Center BART station
this entity surface form:
12th Street / Oakland City Center BART station
this entity surface form:
12th Street/Oakland City Center station
this entity surface form:
12th St/Oakland City Center station