Old Colony Railroad right-of-way
E208139
The Old Colony Railroad right-of-way is a historic rail corridor in southeastern Massachusetts that once carried Old Colony Railroad trains and now underlies portions of modern transit lines and infrastructure.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Old Colony Railroad lines | 1 |
| Old Colony Railroad main lines | 1 |
| Old Colony Railroad right-of-way canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1872914 — 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: Old Colony Railroad right-of-way Context triple: [Quincy Center station, isOn, Old Colony Railroad right-of-way]
-
A.
Boston and Maine Railroad Lexington Branch
The Boston and Maine Railroad Lexington Branch was a former suburban rail line in Massachusetts that once connected communities northwest of Boston and later provided the corridor for today’s Minuteman Bikeway.
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B.
Fitchburg Line
The Fitchburg Line is a commuter rail service operated by the Massachusetts Bay Transportation Authority (MBTA) that runs between Boston and the city of Fitchburg in Massachusetts.
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C.
Boston–Concord main line
The Boston–Concord main line was a principal intercity rail corridor in New England that connected Boston, Massachusetts with Concord, New Hampshire, serving as a key route for the Boston and Maine Railroad.
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D.
Framingham/Worcester Line
The Framingham/Worcester Line is a Massachusetts Bay Transportation Authority commuter rail route connecting Boston with the western suburbs and the city of Worcester.
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E.
Mass Coastal Railroad
Mass Coastal Railroad is a shortline freight railroad operating in southeastern Massachusetts, serving local industries and connecting them to the national rail network.
- 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: Old Colony Railroad right-of-way Target entity description: The Old Colony Railroad right-of-way is a historic rail corridor in southeastern Massachusetts that once carried Old Colony Railroad trains and now underlies portions of modern transit lines and infrastructure.
-
A.
Boston and Maine Railroad Lexington Branch
The Boston and Maine Railroad Lexington Branch was a former suburban rail line in Massachusetts that once connected communities northwest of Boston and later provided the corridor for today’s Minuteman Bikeway.
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B.
Fitchburg Line
The Fitchburg Line is a commuter rail service operated by the Massachusetts Bay Transportation Authority (MBTA) that runs between Boston and the city of Fitchburg in Massachusetts.
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C.
Boston–Concord main line
The Boston–Concord main line was a principal intercity rail corridor in New England that connected Boston, Massachusetts with Concord, New Hampshire, serving as a key route for the Boston and Maine Railroad.
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D.
Framingham/Worcester Line
The Framingham/Worcester Line is a Massachusetts Bay Transportation Authority commuter rail route connecting Boston with the western suburbs and the city of Worcester.
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E.
Mass Coastal Railroad
Mass Coastal Railroad is a shortline freight railroad operating in southeastern Massachusetts, serving local industries and connecting them to the national rail network.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
historic rail corridor
ⓘ
railroad right-of-way ⓘ |
| associatedWith | Old Colony Railroad ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| currentUse | supporting modern transit alignments ⓘ |
| era | 19th century railroad development in Massachusetts ⓘ |
| follows | historic Old Colony Railroad routes ⓘ |
| hasHeritageStatus | historic transportation corridor ⓘ |
| hasSectionIn |
Bristol County, Massachusetts
ⓘ
Norfolk County, Massachusetts ⓘ Plymouth County ⓘ
surface form:
Plymouth County, Massachusetts
|
| historicalUse | carrying Old Colony Railroad trains ⓘ |
| infrastructureType | rail corridor ⓘ |
| isBasisFor |
some modern rail line alignments in southeastern Massachusetts
ⓘ
some modern utility and transportation corridors ⓘ |
| locatedIn |
Massachusetts
ⓘ
southeastern Massachusetts ⓘ |
| networkRole | former regional rail trunk line corridor ⓘ |
| partOf |
Old Colony Railroad
ⓘ
surface form:
Old Colony Railroad system
|
| region | New England ⓘ |
| transportMode | rail ⓘ |
| underlies |
portions of modern transit lines
ⓘ
portions of modern transportation infrastructure ⓘ |
| usedBy | Old Colony Railroad ⓘ |
| usedFor | rail transportation ⓘ |
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: Old Colony Railroad right-of-way Description of subject: The Old Colony Railroad right-of-way is a historic rail corridor in southeastern Massachusetts that once carried Old Colony Railroad trains and now underlies portions of modern transit lines and infrastructure.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Old Colony Railroad lines
this entity surface form:
Old Colony Railroad main lines