Triple
T19461279
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ephrata train station |
E486875
|
entity |
| Predicate | railwayLine |
P848
|
FINISHED |
| Object | BNSF Railway Columbia River Subdivision |
—
|
NE NERFINISHED |
How this triple was built (3 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 Railway Columbia River Subdivision | Statement: [Ephrata train station, railwayLine, BNSF Railway Columbia River Subdivision]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: BNSF Railway Columbia River Subdivision Context triple: [Ephrata train station, railwayLine, BNSF Railway Columbia River Subdivision]
-
A.
BNSF Seattle Subdivision
The BNSF Seattle Subdivision is a major freight and passenger rail corridor in the Seattle area, forming part of BNSF Railway’s main line through the Pacific Northwest.
-
B.
BNSF Bellingham Subdivision
The BNSF Bellingham Subdivision is a railway line in Washington State operated by BNSF Railway, running along the Puget Sound corridor and serving communities between Seattle and the Canadian border.
-
C.
Union Pacific Northwest Line
The Union Pacific Northwest Line is a commuter rail route serving Chicago and its northwestern suburbs as part of the Metra rail system.
-
D.
BNSF Scenic Subdivision
The BNSF Scenic Subdivision is a major BNSF Railway line through Washington state’s Cascade Mountains, known for its steep grades, tunnels, and use by both freight and passenger trains.
-
E.
BNSF Hi Line Subdivision
BNSF Hi Line Subdivision is a major BNSF Railway main line in northern Montana that carries significant freight and Amtrak passenger traffic across the region.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: BNSF Railway Columbia River Subdivision Target entity description: BNSF Railway Columbia River Subdivision is a freight and passenger rail line in Washington State that follows the Columbia River as part of BNSF’s Northern Transcon route.
-
A.
BNSF Seattle Subdivision
The BNSF Seattle Subdivision is a major freight and passenger rail corridor in the Seattle area, forming part of BNSF Railway’s main line through the Pacific Northwest.
-
B.
BNSF Bellingham Subdivision
The BNSF Bellingham Subdivision is a railway line in Washington State operated by BNSF Railway, running along the Puget Sound corridor and serving communities between Seattle and the Canadian border.
-
C.
Union Pacific Northwest Line
The Union Pacific Northwest Line is a commuter rail route serving Chicago and its northwestern suburbs as part of the Metra rail system.
-
D.
BNSF Scenic Subdivision
The BNSF Scenic Subdivision is a major BNSF Railway line through Washington state’s Cascade Mountains, known for its steep grades, tunnels, and use by both freight and passenger trains.
-
E.
BNSF Hi Line Subdivision
BNSF Hi Line Subdivision is a major BNSF Railway main line in northern Montana that carries significant freight and Amtrak passenger traffic across the region.
- F. None of above. chosen
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_69d8e8d86d608190bd199a98d0297f27 |
completed | April 10, 2026, 12:11 p.m. |
| NER | Named-entity recognition | batch_69e633c983f481908b2684dc4380b889 |
completed | April 20, 2026, 2:10 p.m. |
Created at: April 10, 2026, 1:38 p.m.