Plymouth Branch
E907885
Plymouth Branch is a historic railroad line in Massachusetts that once connected Boston to the coastal town of Plymouth and now serves as the basis for part of the MBTA Commuter Rail’s Old Colony Lines.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Plymouth Branch canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11133571 — 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: Plymouth Branch Context triple: [MBTA Commuter Rail Old Colony Lines, historicRouteBasis, Plymouth Branch]
-
A.
Malvern Branch
Malvern Branch is a local public library facility serving the community of Malvern with access to books, media, and library services.
-
B.
Salem Branch
Salem Branch is a regional railroad line in southern New Jersey that serves freight and limited local rail operations.
-
C.
Warminster Branch
The Warminster Branch is a commuter rail line in southeastern Pennsylvania that runs from Philadelphia to Warminster, serving suburban communities along its route.
-
D.
Rockland Branch
Rockland Branch is a historic railroad line in Maine that runs along the state's mid-coast, connecting inland communities with the port city of Rockland.
-
E.
Stoughton Branch
Stoughton Branch is a commuter rail branch line in Massachusetts that serves the town of Stoughton as part of the MBTA’s Providence/Stoughton 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: Plymouth Branch Target entity description: Plymouth Branch is a historic railroad line in Massachusetts that once connected Boston to the coastal town of Plymouth and now serves as the basis for part of the MBTA Commuter Rail’s Old Colony Lines.
-
A.
Malvern Branch
Malvern Branch is a local public library facility serving the community of Malvern with access to books, media, and library services.
-
B.
Salem Branch
Salem Branch is a regional railroad line in southern New Jersey that serves freight and limited local rail operations.
-
C.
Warminster Branch
The Warminster Branch is a commuter rail line in southeastern Pennsylvania that runs from Philadelphia to Warminster, serving suburban communities along its route.
-
D.
Rockland Branch
Rockland Branch is a historic railroad line in Maine that runs along the state's mid-coast, connecting inland communities with the port city of Rockland.
-
E.
Stoughton Branch
Stoughton Branch is a commuter rail branch line in Massachusetts that serves the town of Stoughton as part of the MBTA’s Providence/Stoughton Line.
- F. None of above. chosen
Statements (33)
| Predicate | Object |
|---|---|
| instanceOf |
historic railroad line
ⓘ
railroad line ⓘ |
| connects |
Boston, Massachusetts
NERFINISHED
ⓘ
Plymouth, Massachusetts NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| currentUse | basis for MBTA Old Colony commuter rail alignment ⓘ |
| electrification | none ⓘ |
| historicalSignificance | early rail connection between Boston and Plymouth ⓘ |
| locatedIn |
Massachusetts
ⓘ
New England ⓘ |
| locatedInAdministrativeArea |
Norfolk County, Massachusetts
NERFINISHED
ⓘ
Plymouth County, Massachusetts NERFINISHED ⓘ |
| operator | Old Colony Railroad NERFINISHED ⓘ |
| originalTerminus |
Boston, Massachusetts
NERFINISHED
ⓘ
Plymouth, Massachusetts NERFINISHED ⓘ |
| partOf | Old Colony Lines NERFINISHED ⓘ |
| partOfNetwork | Old Colony Railroad network NERFINISHED ⓘ |
| regionServed |
Greater Boston
ⓘ
South Shore of Massachusetts NERFINISHED ⓘ |
| serves |
Plymouth, Massachusetts
NERFINISHED
ⓘ
South Shore region of Massachusetts NERFINISHED ⓘ |
| status |
partly abandoned
ⓘ
partly active ⓘ |
| successorOperator |
Massachusetts Bay Transportation Authority
NERFINISHED
ⓘ
New York, New Haven and Hartford Railroad NERFINISHED ⓘ |
| terminusCity |
Boston
NERFINISHED
ⓘ
Plymouth NERFINISHED ⓘ |
| trackGauge | standard gauge ⓘ |
| transportMode | rail ⓘ |
| usedAsBasisFor | MBTA Commuter Rail Old Colony Lines NERFINISHED ⓘ |
| usedFor |
commuter rail service
ⓘ
freight rail service ⓘ passenger rail service ⓘ |
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: Plymouth Branch Description of subject: Plymouth Branch is a historic railroad line in Massachusetts that once connected Boston to the coastal town of Plymouth and now serves as the basis for part of the MBTA Commuter Rail’s Old Colony Lines.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.