Triple
T20556618
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tacoma Union Station |
E504735
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | Burlington Northern Railroad network (historically) |
—
|
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: Burlington Northern Railroad network (historically) | Statement: [Tacoma Union Station, partOf, Burlington Northern Railroad network (historically)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Burlington Northern Railroad network (historically) Context triple: [Tacoma Union Station, partOf, Burlington Northern Railroad network (historically)]
-
A.
Piedmont railway network
The Piedmont railway network is the regional rail system serving Italy’s Piedmont region, connecting its cities and towns through an integrated web of passenger and freight lines.
-
B.
Burlington Northern Santa Fe Railway main line
The Burlington Northern Santa Fe Railway main line is a major transcontinental freight rail corridor in the United States that carries heavy rail traffic across key western routes, including the desert region near Needles, California.
-
C.
BLS railway network
The BLS railway network is a major Swiss rail system operated by BLS AG, providing regional, intercity, and freight services primarily across the Bernese Oberland and surrounding regions.
-
D.
BC Rail (historical)
BC Rail (historical) was a former provincially owned railway in British Columbia that operated an extensive freight and passenger network across the province before its operations were leased to Canadian National Railway.
-
E.
Conrail
Conrail was a major U.S. freight railroad formed in the 1970s to take over and revitalize the operations of several bankrupt Northeastern railroads.
- 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: Burlington Northern Railroad network (historically) Target entity description: The Burlington Northern Railroad network was a major U.S. freight and passenger rail system formed in 1970 through the merger of several large railroads, operating extensively across the western United States before later becoming part of BNSF Railway.
-
A.
Piedmont railway network
The Piedmont railway network is the regional rail system serving Italy’s Piedmont region, connecting its cities and towns through an integrated web of passenger and freight lines.
-
B.
Burlington Northern Santa Fe Railway main line
chosen
The Burlington Northern Santa Fe Railway main line is a major transcontinental freight rail corridor in the United States that carries heavy rail traffic across key western routes, including the desert region near Needles, California.
-
C.
BLS railway network
The BLS railway network is a major Swiss rail system operated by BLS AG, providing regional, intercity, and freight services primarily across the Bernese Oberland and surrounding regions.
-
D.
BC Rail (historical)
BC Rail (historical) was a former provincially owned railway in British Columbia that operated an extensive freight and passenger network across the province before its operations were leased to Canadian National Railway.
-
E.
Conrail
Conrail was a major U.S. freight railroad formed in the 1970s to take over and revitalize the operations of several bankrupt Northeastern railroads.
- F. None of above.
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_69e0b4b6587c8190aee63dc7cff244ea |
completed | April 16, 2026, 10:06 a.m. |
| NER | Named-entity recognition | batch_69e6a5de9c008190b8620628fb285e90 |
completed | April 20, 2026, 10:17 p.m. |
Created at: April 16, 2026, 11:38 a.m.