Triple
T8407639
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amtrak Silver Star |
E198539
|
entity |
| Predicate | railwayLineUsed |
P848
|
FINISHED |
| Object | RF&P Subdivision |
E366225
|
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: RF&P Subdivision | Statement: [Amtrak Silver Star, railwayLineUsed, RF&P Subdivision]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: RF&P Subdivision Context triple: [Amtrak Silver Star, railwayLineUsed, RF&P Subdivision]
-
A.
RF&P Subdivision
chosen
The RF&P Subdivision is a major railroad line in Virginia that forms part of the former Richmond, Fredericksburg and Potomac Railroad main route, now used by both freight and passenger trains including Amtrak services.
-
B.
Peninsula Subdivision
Peninsula Subdivision is a rail line in California’s San Francisco Peninsula region that carries commuter and other train services through cities such as Atherton.
-
C.
Weston Subdivision
Weston Subdivision is a key railway corridor in the Greater Toronto Area used by GO Transit and other operators for commuter and freight rail services.
-
D.
Hi-Line Subdivision
The Hi-Line Subdivision is a major BNSF Railway main line in northern Montana that carries transcontinental freight and passenger trains across the Rocky Mountains.
-
E.
Canning subdivision
Canning subdivision is an administrative subdivision in the South 24 Parganas district of West Bengal, India, encompassing a cluster of rural and semi-urban areas in the Ganges Delta region.
- 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_69ca8310df9c8190b25f16161cca3e41 |
completed | March 30, 2026, 2:05 p.m. |
| NER | Named-entity recognition | batch_69cb831409308190981089c303ebaef4 |
completed | March 31, 2026, 8:17 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ce03035e148190867b60ddaeb8d761 |
completed | April 2, 2026, 5:47 a.m. |
Created at: March 30, 2026, 6:05 p.m.