Triple
T2687618
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Northstar commuter rail |
E57521
|
entity |
| Predicate | usesRailLine |
P848
|
FINISHED |
| Object | BNSF Railway Staples Subdivision |
E287559
|
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: BNSF Railway Staples Subdivision | Statement: [Northstar commuter rail, usesRailLine, BNSF Railway Staples Subdivision]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: BNSF Railway Staples Subdivision Context triple: [Northstar commuter rail, usesRailLine, BNSF Railway Staples Subdivision]
-
A.
BNSF Railway Monticello Subdivision
chosen
The BNSF Railway Monticello Subdivision is a freight and passenger rail corridor in Minnesota that carries BNSF trains as well as Metro Transit's Northstar commuter rail service between Minneapolis and its northwestern suburbs.
-
B.
Union Pacific Railway, Southern Branch
The Union Pacific Railway, Southern Branch was a 19th-century rail line that later evolved into the Missouri–Kansas–Texas Railroad, helping open the American Midwest and Southwest to expanded transportation and commerce.
-
C.
Union Pacific West Line
The Union Pacific West Line is a commuter rail route in the Chicago metropolitan area that runs between downtown Chicago and western suburbs, providing daily passenger service as part of the Metra system.
-
D.
Union Pacific North Line
The Union Pacific North Line is a Metra commuter rail line in the Chicago metropolitan area that runs north from downtown Chicago through suburbs along Lake Michigan into Kenosha, Wisconsin.
-
E.
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.
- 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_69ab4a5028388190a36f3baf1588309e |
completed | March 6, 2026, 9:42 p.m. |
| NER | Named-entity recognition | batch_69abd9f080108190ab662a3a064cb5a9 |
completed | March 7, 2026, 7:55 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69afaf5b19b88190982a669501463fa9 |
completed | March 10, 2026, 5:42 a.m. |
Created at: March 6, 2026, 9:54 p.m.