Triple
T18013902
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | CSX Old Main Line Subdivision |
E430951
|
entity |
| Predicate | hasLineDesignation |
P974
|
FINISHED |
| Object | Old Main Line Subdivision |
—
|
NE NERFINISHED |
How this triple was built (2 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: Old Main Line Subdivision | Statement: [CSX Old Main Line Subdivision, hasLineDesignation, Old Main Line Subdivision]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Old Main Line Subdivision Context triple: [CSX Old Main Line Subdivision, hasLineDesignation, Old Main Line Subdivision]
-
A.
CSX Old Main Line Subdivision
chosen
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.
-
B.
Southern Main Line
The Southern Main Line is a major Swedish railway route that connects key cities in the southern part of the country and serves as an important corridor for both passenger and freight traffic.
-
C.
Brattleboro Subdivision
Brattleboro Subdivision is a rail line segment operated by the New England Central Railroad, serving freight transportation needs in the Brattleboro, Vermont area.
-
D.
Hudson Subdivision
The Hudson Subdivision is a key railroad line in New York State that carries passenger and freight trains along the Hudson River corridor, including service through Albany–Rensselaer station.
-
E.
Mohawk Subdivision
The Mohawk Subdivision is a key railroad line in upstate New York that forms part of the main passenger and freight corridor between Albany and western New York.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69d8b904530081908bf341d842464856 |
completed | April 10, 2026, 8:47 a.m. |
| NER | Named-entity recognition | batch_69e4b521befc81908dff44f19aa3d580 |
completed | April 19, 2026, 10:57 a.m. |
Created at: April 10, 2026, 10:24 a.m.