Triple
T2298627
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Crystal City station (VRE) |
E51676
|
entity |
| Predicate | locatedOn |
P40
|
FINISHED |
| Object | CSX RF&P Subdivision |
E75300
|
NE FINISHED |
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: CSX RF&P Subdivision | Statement: [Crystal City station (VRE), locatedOn, CSX RF&P Subdivision]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: CSX RF&P Subdivision Context triple: [Crystal City station (VRE), locatedOn, CSX RF&P Subdivision]
-
A.
CSX RF&P Subdivision
chosen
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 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.
-
D.
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.
-
E.
CPKC Milwaukee Subdivision
The CPKC Milwaukee Subdivision is a freight rail line in the Chicago–Milwaukee corridor owned and operated by Canadian Pacific Kansas City, also used by commuter services such as Metra.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69a88b0a9f248190bcff941463d8f65a |
completed | March 4, 2026, 7:42 p.m. |
| NER | Named-entity recognition | batch_69abc5df37808190ba6a43dc1e9e723a |
completed | March 7, 2026, 6:29 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae7f2e338881908e09d19f469a59ce |
completed | March 9, 2026, 8:05 a.m. |
Created at: March 4, 2026, 7:49 p.m.