Triple
T4297265
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Point of Rocks station |
E99744
|
entity |
| Predicate | railwayLineJunction |
P848
|
FINISHED |
| Object |
CSX Old Main Line Subdivision
The CSX Old Main Line Subdivision is a historic freight rail line in Maryland that traces much of the original route of the Baltimore and Ohio Railroad, one of the oldest railroads in the United States.
|
E430951
|
NE FINISHED |
How this triple was built (4 steps)
Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.
NER
Named-entity recognition
gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: CSX Old Main Line Subdivision | Statement: [Point of Rocks station, railwayLineJunction, CSX Old Main Line Subdivision]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: CSX Old Main Line Subdivision Context triple: [Point of Rocks station, railwayLineJunction, CSX Old Main Line 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 Capital Subdivision
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.
-
C.
CSX Bellwood Subdivision
The CSX Bellwood Subdivision is a freight rail line in Virginia operated by CSX Transportation, forming part of the company’s network around the Richmond area.
-
D.
CSX Transportation Cumberland Subdivision
CSX Transportation's Cumberland Subdivision is a major freight rail line running through Maryland and West Virginia that also hosts MARC commuter rail service on the Brunswick Line.
-
E.
CSX Trenton Subdivision
The CSX Trenton Subdivision is a freight rail line in the northeastern United States operated by CSX Transportation, forming part of a major corridor between Philadelphia and North Jersey.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: CSX Old Main Line Subdivision Triple: [Point of Rocks station, railwayLineJunction, CSX Old Main Line Subdivision]
Generated description
The CSX Old Main Line Subdivision is a historic freight rail line in Maryland that traces much of the original route of the Baltimore and Ohio Railroad, one of the oldest railroads in the United States.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: CSX Old Main Line Subdivision Target entity description: The CSX Old Main Line Subdivision is a historic freight rail line in Maryland that traces much of the original route of the Baltimore and Ohio Railroad, one of the oldest railroads in the United States.
-
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 Capital Subdivision
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.
-
C.
CSX Bellwood Subdivision
The CSX Bellwood Subdivision is a freight rail line in Virginia operated by CSX Transportation, forming part of the company’s network around the Richmond area.
-
D.
CSX Transportation Cumberland Subdivision
CSX Transportation's Cumberland Subdivision is a major freight rail line running through Maryland and West Virginia that also hosts MARC commuter rail service on the Brunswick Line.
-
E.
CSX Trenton Subdivision
The CSX Trenton Subdivision is a freight rail line in the northeastern United States operated by CSX Transportation, forming part of a major corridor between Philadelphia and North Jersey.
- F. None of above. chosen
Provenance (5 batches)
The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.
| Step | Stage | Batch ID | Status | When |
|---|---|---|---|---|
| creating | Elicitation | batch_69b3455175088190aa79c6e03b86647e |
completed | March 12, 2026, 10:59 p.m. |
| NER | Named-entity recognition | batch_69b3509bff808190a86fade7ccfc3611 |
completed | March 12, 2026, 11:47 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b5d073936c8190b48045f8370ea27f |
completed | March 14, 2026, 9:17 p.m. |
| NEDg | Description generation | batch_69b5d11a30a08190b9f58fadd2415559 |
completed | March 14, 2026, 9:20 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69b5d194975481908b029ab106223c6c |
completed | March 14, 2026, 9:22 p.m. |
Created at: March 12, 2026, 11:08 p.m.