Harvard station
E214391
Harvard station is a major Red Line subway and bus hub on the Massachusetts Bay Transportation Authority (MBTA) system located in Harvard Square in Cambridge, Massachusetts.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Harvard station canonical | 7 |
| Harvard Square MBTA station | 1 |
| Harvard Square station | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1202841 — 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: Harvard station Context triple: [Cambridge city center, servedBy, Harvard station]
-
A.
Medford station
Medford station is a Long Island Rail Road commuter rail stop located in Medford, New York, serving passengers on the Ronkonkoma Branch.
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B.
Copley station
Copley station is a major underground MBTA subway stop in Boston’s Back Bay neighborhood, serving multiple branches of the Green Line and providing access to nearby landmarks like Copley Square and the Boston Public Library.
-
C.
Boylston station
Boylston station is a historic underground light rail stop in downtown Boston that serves the MBTA Green Line.
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D.
Belmont station
Belmont station is a major Chicago Transit Authority 'L' station on the North Side that serves as a key transfer point between multiple rapid transit lines.
-
E.
Massachusetts Avenue station
Massachusetts Avenue station is an underground rapid transit stop in Boston, Massachusetts, located in the South End and served by the MBTA's Orange Line.
- 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: Harvard station Target entity description: Harvard station is a major Red Line subway and bus hub on the Massachusetts Bay Transportation Authority (MBTA) system located in Harvard Square in Cambridge, Massachusetts.
-
A.
Medford station
Medford station is a Long Island Rail Road commuter rail stop located in Medford, New York, serving passengers on the Ronkonkoma Branch.
-
B.
Copley station
Copley station is a major underground MBTA subway stop in Boston’s Back Bay neighborhood, serving multiple branches of the Green Line and providing access to nearby landmarks like Copley Square and the Boston Public Library.
-
C.
Boylston station
Boylston station is a historic underground light rail stop in downtown Boston that serves the MBTA Green Line.
-
D.
Belmont station
Belmont station is a major Chicago Transit Authority 'L' station on the North Side that serves as a key transfer point between multiple rapid transit lines.
-
E.
Massachusetts Avenue station
Massachusetts Avenue station is an underground rapid transit stop in Boston, Massachusetts, located in the South End and served by the MBTA's Orange Line.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
MBTA Red Line station
ⓘ
bus station ⓘ rapid transit station ⓘ |
| city | Cambridge ⓘ |
| connectsTo |
MBTA bus routes serving Allston
ⓘ
MBTA bus routes serving Arlington ⓘ MBTA bus routes serving Brighton ⓘ MBTA bus routes serving Cambridge ⓘ MBTA bus routes serving Somerville ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| fareSystem |
MBTA CharlieCard
ⓘ
MBTA CharlieTicket ⓘ MBTA cash fare ⓘ |
| fareZone | 1A ⓘ |
| formerName | Harvard Square ⓘ |
| hasAccessibility | wheelchair accessible ⓘ |
| hasArt | public art installations ⓘ |
| hasBicycleFacilities | yes ⓘ |
| hasBusConnections | yes ⓘ |
| hasBusway | underground busway ⓘ |
| hasEntrance |
Brattle Square entrance
ⓘ
Church Street entrance ⓘ Harvard Square plaza entrances ⓘ |
| hasLevel | multiple underground levels ⓘ |
| hasPlatformType | island platform ⓘ |
| hasStructureType | underground station ⓘ |
| hasTracks | 2 ⓘ |
| isMajorHubFor |
MBTA Red Line
ⓘ
MBTA bus network ⓘ |
| isOneOf | busiest stations on the MBTA Red Line ⓘ |
| locatedIn |
Cambridge, Massachusetts
ⓘ
Harvard Square ⓘ Massachusetts ⓘ Middlesex County, Massachusetts ⓘ United States of America ⓘ
surface form:
United States
|
| nearbyLandmark |
Harvard Art Museums
ⓘ
Harvard Coop ⓘ Harvard Kennedy School ⓘ Harvard Yard ⓘ |
| openingDate | 1912 ⓘ |
| operatedBy |
MBTA
ⓘ
surface form:
Massachusetts Bay Transportation Authority
|
| ownedBy |
MBTA
ⓘ
surface form:
Massachusetts Bay Transportation Authority
|
| partOf | MBTA Red Line ⓘ |
| reconstructed | 1980s ⓘ |
| serves |
Cambridge, Massachusetts
ⓘ
Harvard Square ⓘ Harvard University ⓘ |
| state | Massachusetts ⓘ |
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: Harvard station Description of subject: Harvard station is a major Red Line subway and bus hub on the Massachusetts Bay Transportation Authority (MBTA) system located in Harvard Square in Cambridge, Massachusetts.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Harvard Square station
this entity surface form:
Harvard Square MBTA station
subject surface form:
Red Line (MBTA)
subject surface form:
Red Line (MBTA)