CSX Capital Subdivision
E151545
CSX Capital Subdivision is a CSX Transportation rail line in Maryland that serves as a key freight and commuter corridor between Washington, D.C., and Baltimore.
All labels observed (2)
| Label | Occurrences |
|---|---|
| CSX Capital Subdivision canonical | 6 |
| CSX Transportation Capital Subdivision | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1311989 — 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: CSX Capital Subdivision Context triple: [Camden Line, primaryRailroadCorridor, CSX Capital Subdivision]
-
A.
CSX RF&P Subdivision
The CSX RF&P Subdivision is a major CSX Transportation rail line in Virginia that forms part of the busy freight and passenger corridor linking Washington, D.C. with Richmond and points south.
-
B.
CSX A-Line
The CSX A-Line is a major north–south freight and passenger rail corridor in the southeastern United States, running primarily through Florida and used by Amtrak’s Silver Meteor service.
-
C.
Trenton Line
Trenton Line is a commuter rail service in the Philadelphia region operated by SEPTA Regional Rail, connecting Center City Philadelphia with Trenton, New Jersey.
-
D.
Northern Central Railway
Northern Central Railway was a historic American railroad that operated primarily in Pennsylvania and Maryland, serving as an important north–south link in the 19th and early 20th centuries.
-
E.
Alton Line
The Alton Line is a railway route in southern England that connects the town of Alton in Hampshire with the wider 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: CSX Capital Subdivision Target entity description: CSX Capital Subdivision is a CSX Transportation rail line in Maryland that serves as a key freight and commuter corridor between Washington, D.C., and Baltimore.
-
A.
CSX RF&P Subdivision
The CSX RF&P Subdivision is a major CSX Transportation rail line in Virginia that forms part of the busy freight and passenger corridor linking Washington, D.C. with Richmond and points south.
-
B.
CSX A-Line
The CSX A-Line is a major north–south freight and passenger rail corridor in the southeastern United States, running primarily through Florida and used by Amtrak’s Silver Meteor service.
-
C.
Trenton Line
Trenton Line is a commuter rail service in the Philadelphia region operated by SEPTA Regional Rail, connecting Center City Philadelphia with Trenton, New Jersey.
-
D.
Northern Central Railway
Northern Central Railway was a historic American railroad that operated primarily in Pennsylvania and Maryland, serving as an important north–south link in the 19th and early 20th centuries.
-
E.
Alton Line
The Alton Line is a railway route in southern England that connects the town of Alton in Hampshire with the wider national rail network.
- F. None of above. chosen
Statements (26)
| Predicate | Object |
|---|---|
| instanceOf |
rail line
ⓘ
railway subdivision ⓘ |
| alsoUsedFor | commuter rail ⓘ |
| connects |
Baltimore
ⓘ
Washington, D.C. ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| electrification | not electrified ⓘ |
| formerOwner | Baltimore and Ohio Railroad ⓘ |
| hasFunction |
key commuter corridor
ⓘ
key freight corridor ⓘ |
| hasOwner | CSX Transportation ⓘ |
| historicalOperator | Baltimore and Ohio Railroad ⓘ |
| lineType | main line ⓘ |
| locatedIn | Maryland ⓘ |
| locatedInState | Maryland ⓘ |
| operator | CSX Transportation ⓘ |
| partOfCorridor | Washington–Baltimore rail corridor ⓘ |
| partOfNetwork |
CSX Transportation
ⓘ
surface form:
CSX Transportation network
|
| primaryUse | freight rail ⓘ |
| railGauge | standard gauge ⓘ |
| servesRegion |
Baltimore–Washington metropolitan area
ⓘ
surface form:
Baltimore metropolitan area
Washington metropolitan area ⓘ |
| trackConfiguration | multiple track sections ⓘ |
| usedBy |
commuter trains
ⓘ
freight trains ⓘ intercity trains ⓘ |
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: CSX Capital Subdivision Description of subject: CSX Capital Subdivision is a CSX Transportation rail line in Maryland that serves as a key freight and commuter corridor between Washington, D.C., and Baltimore.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
CSX Transportation Capital Subdivision