Triple
T26459698
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amtrak Carl Sandburg |
E665594
|
entity |
| Predicate | railroadSubdivisionUsed |
P105113
|
FINISHED |
| Object | BNSF Mendota 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: BNSF Mendota Subdivision | Statement: [Amtrak Carl Sandburg, railroadSubdivisionUsed, BNSF Mendota Subdivision]
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: railroadSubdivisionUsed Context triple: [Amtrak Carl Sandburg, railroadSubdivisionUsed, BNSF Mendota Subdivision]
-
A.
railroadSubdivision
Indicates that one railroad line or territory is a designated subdivision (operational segment) of a larger railroad network.
-
B.
railwayDivision
Indicates that one administrative railway division is responsible for, manages, or encompasses another railway unit, line, or area within a rail network.
-
C.
railwayUse
Indicates that something is used as, or functions in the capacity of, a railway or rail-based transportation facility.
-
D.
usesRailInfrastructureOf
Indicates that one entity operates on, accesses, or otherwise makes use of the rail infrastructure owned or managed by another entity.
-
E.
servesRailCorridor
chosen
Indicates that something (such as a service, facility, or operation) provides service to or operates along a specific rail corridor.
- F. None of above.
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_69ee883e812c8190a9b5a9cdb87fee5e |
completed | April 26, 2026, 9:48 p.m. |
| NER | Named-entity recognition | batch_69f62d53ad58819080c5227c7a729d15 |
completed | May 2, 2026, 4:58 p.m. |
| PD | Predicate disambiguation | batch_69f62c15952881908a5ea0c25904afec |
completed | May 2, 2026, 4:53 p.m. |
Created at: April 27, 2026, 12:11 a.m.