Richmond–Jacksonville main line
E1017118
The Richmond–Jacksonville main line was a key north–south rail route in the southeastern United States, linking Virginia and Florida as part of the Atlantic Coast Line Railroad’s passenger and freight network.
All labels observed (3)
How this entity was disambiguated
This entity first appeared as the object of triple T13032610 — 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: Richmond–Jacksonville main line Context triple: [Atlantic Coast Line Railroad, primaryCorridor, Richmond–Jacksonville main line]
-
A.
Seaboard main line
The Seaboard main line was a principal north–south railroad corridor in the southeastern United States, historically operated by the Seaboard Air Line Railroad and used by prominent passenger trains such as the Champion.
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B.
East Coast Line
The East Coast Line is a major Swedish railway route running along the country’s eastern seaboard, connecting key cities and regions including Gävleborg County.
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C.
Sounder South Line
The Sounder South Line is a commuter rail service in the Seattle metropolitan area that connects downtown Seattle with communities to the south in Washington State.
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D.
North Carolina Railroad corridor
The North Carolina Railroad corridor is a historic rail line running across central North Carolina that has shaped the development and growth of numerous towns and cities along its route.
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E.
North Carolina Railroad
The North Carolina Railroad is a historic rail corridor running across the state of North Carolina that underpins much of its modern passenger and freight rail service.
- 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: Richmond–Jacksonville main line Target entity description: The Richmond–Jacksonville main line was a key north–south rail route in the southeastern United States, linking Virginia and Florida as part of the Atlantic Coast Line Railroad’s passenger and freight network.
-
A.
Seaboard main line
The Seaboard main line was a principal north–south railroad corridor in the southeastern United States, historically operated by the Seaboard Air Line Railroad and used by prominent passenger trains such as the Champion.
-
B.
East Coast Line
The East Coast Line is a major Swedish railway route running along the country’s eastern seaboard, connecting key cities and regions including Gävleborg County.
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C.
Sounder South Line
The Sounder South Line is a commuter rail service in the Seattle metropolitan area that connects downtown Seattle with communities to the south in Washington State.
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D.
North Carolina Railroad corridor
The North Carolina Railroad corridor is a historic rail line running across central North Carolina that has shaped the development and growth of numerous towns and cities along its route.
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E.
North Carolina Railroad
The North Carolina Railroad is a historic rail corridor running across the state of North Carolina that underpins much of its modern passenger and freight rail service.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
main line railway
ⓘ
railway line ⓘ |
| connectedTo | other Atlantic Coast Line branches and secondary lines ⓘ |
| connects |
Jacksonville, Florida
NERFINISHED
ⓘ
Richmond, Virginia NERFINISHED ⓘ |
| direction | north–south ⓘ |
| gauge | standard gauge ⓘ |
| historicalSignificance | key north–south rail route linking Virginia and Florida ⓘ |
| linkedCity |
Jacksonville
NERFINISHED
ⓘ
Richmond NERFINISHED ⓘ |
| locatedIn |
Southern United States
ⓘ
surface form:
Southeastern United States
United States of America ⓘ
surface form:
United States
|
| operator | Atlantic Coast Line Railroad NERFINISHED ⓘ |
| partOf |
Atlantic Coast Line Railroad freight network
NERFINISHED
ⓘ
Atlantic Coast Line Railroad network NERFINISHED ⓘ Atlantic Coast Line Railroad passenger network NERFINISHED ⓘ |
| railroadCompany | Atlantic Coast Line Railroad NERFINISHED ⓘ |
| servedRegion |
Florida
NERFINISHED
ⓘ
Georgia NERFINISHED ⓘ North Carolina NERFINISHED ⓘ South Carolina NERFINISHED ⓘ Virginia NERFINISHED ⓘ |
| status | historical rail corridor ⓘ |
| usedFor |
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: Richmond–Jacksonville main line Description of subject: The Richmond–Jacksonville main line was a key north–south rail route in the southeastern United States, linking Virginia and Florida as part of the Atlantic Coast Line Railroad’s passenger and freight network.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Atlantic Coast Line Railroad
this entity surface form:
Richmond–Jacksonville main line of Atlantic Coast Line Railroad
this entity surface form:
Southern Railway main line between Cincinnati and Jacksonville