Triple
T1311989
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Camden Line |
E28011
|
entity |
| Predicate | primaryRailroadCorridor |
P24245
|
FINISHED |
| Object |
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.
|
E151545
|
NE FINISHED |
How this triple was built (5 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 Capital Subdivision | Statement: [Camden Line, primaryRailroadCorridor, CSX Capital Subdivision]
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.
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 Capital Subdivision Triple: [Camden Line, primaryRailroadCorridor, CSX Capital Subdivision]
Generated 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.
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
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: primaryRailroadCorridor Context triple: [Camden Line, primaryRailroadCorridor, CSX Capital Subdivision]
-
A.
hasMajorRailCorridor
chosen
Indicates that a location or region is traversed by a primary, high-capacity railway route used for significant passenger or freight transport.
-
B.
railroadNetwork
Indicates a relationship where locations are connected as part of the same system of railway lines and infrastructure used for train transport.
-
C.
railroad
Indicates that one entity constructs, operates, or provides railroad or train transportation services for another entity or area.
-
D.
railwayLine
Indicates that there is a railway line connection or route associated with or passing through the referenced entity.
-
E.
isBusiestPassengerRailLineIn
Indicates that a passenger rail line is the one with the highest level of use or traffic within a specified geographic area or system.
- F. None of above.
Provenance (6 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_69a498532c3481909223b74af2e578df |
completed | March 1, 2026, 7:49 p.m. |
| NER | Named-entity recognition | batch_69a4c1572b1c8190ab978198c2d655c8 |
completed | March 1, 2026, 10:44 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69acbf2964048190950723487c7cf707 |
completed | March 8, 2026, 12:13 a.m. |
| NEDg | Description generation | batch_69acbfc03f20819089a025fc745c9203 |
completed | March 8, 2026, 12:16 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69acc0282080819087676813c2852a96 |
completed | March 8, 2026, 12:17 a.m. |
| PD | Predicate disambiguation | batch_69a4beebcb348190964bd7215811942c |
completed | March 1, 2026, 10:34 p.m. |
Created at: March 1, 2026, 7:55 p.m.