Aquarium station (MBTA Blue Line)
E23053
Aquarium station (MBTA Blue Line) is an underground Massachusetts Bay Transportation Authority subway station in downtown Boston serving the Blue Line near the city’s waterfront and tourist attractions.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Aquarium station (MBTA Blue Line) canonical | 1 |
| MBTA Aquarium station nearby | 1 |
| MBTA Blue Line (nearby Aquarium station) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T183705 — 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: Aquarium station (MBTA Blue Line) Context triple: [New England Aquarium, isAccessibleBy, Aquarium station (MBTA Blue Line)]
-
A.
Wellington Station (MBTA)
Wellington Station (MBTA) is an Orange Line rapid transit station in Medford, Massachusetts, serving as a key park-and-ride and bus transfer hub just north of downtown Boston.
-
B.
Porter (MBTA station)
Porter (MBTA station) is a transit station in Cambridge, Massachusetts, serving the MBTA Red Line subway and commuter rail with a notably deep underground platform.
-
C.
MBTA Green Line D branch
The MBTA Green Line D branch is a light rail line in the Boston metropolitan area that runs between downtown Boston and several western suburbs, including Newton and Riverside.
-
D.
MBTA Green Line E branch
The MBTA Green Line E branch is a light rail line in Boston that runs from downtown through the Back Bay and Longwood Medical Area to Heath Street, serving major hospitals, universities, and residential neighborhoods.
-
E.
South Station
South Station is Boston’s major intercity rail and bus terminal and a key MBTA subway hub in the city’s downtown.
- 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: Aquarium station (MBTA Blue Line) Target entity description: Aquarium station (MBTA Blue Line) is an underground Massachusetts Bay Transportation Authority subway station in downtown Boston serving the Blue Line near the city’s waterfront and tourist attractions.
-
A.
Wellington Station (MBTA)
Wellington Station (MBTA) is an Orange Line rapid transit station in Medford, Massachusetts, serving as a key park-and-ride and bus transfer hub just north of downtown Boston.
-
B.
Porter (MBTA station)
Porter (MBTA station) is a transit station in Cambridge, Massachusetts, serving the MBTA Red Line subway and commuter rail with a notably deep underground platform.
-
C.
MBTA Green Line D branch
The MBTA Green Line D branch is a light rail line in the Boston metropolitan area that runs between downtown Boston and several western suburbs, including Newton and Riverside.
-
D.
MBTA Green Line E branch
The MBTA Green Line E branch is a light rail line in Boston that runs from downtown through the Back Bay and Longwood Medical Area to Heath Street, serving major hospitals, universities, and residential neighborhoods.
-
E.
South Station
South Station is Boston’s major intercity rail and bus terminal and a key MBTA subway hub in the city’s downtown.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
MBTA Blue Line station
ⓘ
rapid transit station ⓘ subway station ⓘ |
| accessible | yes ⓘ |
| category |
MBTA Blue Line
ⓘ
surface form:
MBTA Blue Line stations
Railway stations in Boston ⓘ Railway stations in the United States opened in 1904 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| electrification | third rail ⓘ |
| fareSystem |
CharlieCard
ⓘ
CharlieTicket ⓘ |
| fareZone | 1A ⓘ |
| formerName |
State
ⓘ
State–Aquarium ⓘ |
| hasArt | public art installations ⓘ |
| hasConnection |
Ferry services at Long Wharf
ⓘ
MBTA bus network ⓘ
surface form:
MBTA bus
|
| hasElevator | yes ⓘ |
| hasEntrance |
Spring Street
ⓘ
surface form:
Atlantic Avenue
State Street ⓘ |
| hasEscalator | yes ⓘ |
| hasFareGates | yes ⓘ |
| hasPlatformType | island platform ⓘ |
| lineServed | Blue Line ⓘ |
| locatedIn |
Boston, Massachusetts
ⓘ
surface form:
Boston
Massachusetts ⓘ United States of America ⓘ
surface form:
United States
|
| nearbyPlace |
Central Wharf
ⓘ
Faneuil Hall ⓘ Long Wharf, Boston ⓘ
surface form:
Long Wharf
New England Aquarium ⓘ Quincy Market ⓘ Rose Kennedy Greenway ⓘ |
| numberOfPlatforms | 1 ⓘ |
| numberOfTracks | 2 ⓘ |
| openingDate | 1904 ⓘ |
| operator |
MBTA
ⓘ
surface form:
Massachusetts Bay Transportation Authority
|
| ownedBy |
MBTA
ⓘ
surface form:
Massachusetts Bay Transportation Authority
|
| partOfNetwork |
Boston subway
ⓘ
surface form:
MBTA subway
|
| serves |
Boston waterfront
ⓘ
New England Aquarium ⓘ Downtown Boston ⓘ
surface form:
downtown Boston
tourist attractions ⓘ |
| servesNeighborhood |
Financial District
ⓘ
Waterfront ⓘ |
| structureType | underground ⓘ |
| ticketing | proof-of-payment not used ⓘ |
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: Aquarium station (MBTA Blue Line) Description of subject: Aquarium station (MBTA Blue Line) is an underground Massachusetts Bay Transportation Authority subway station in downtown Boston serving the Blue Line near the city’s waterfront and tourist attractions.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
MBTA Blue Line (nearby Aquarium station)
this entity surface form:
MBTA Aquarium station nearby