Triple
T7853982
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Riverside–San Bernardino–Ontario metropolitan area |
E182124
|
entity |
| Predicate | traversedBy |
P225
|
FINISHED |
| Object | BNSF Railway mainline |
E601736
|
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 mainline | Statement: [Riverside–San Bernardino–Ontario metropolitan area, traversedBy, BNSF Railway mainline]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: BNSF Railway mainline Context triple: [Riverside–San Bernardino–Ontario metropolitan area, traversedBy, BNSF Railway mainline]
-
A.
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.
-
B.
BNSF Railway line
chosen
The BNSF Railway line is a major freight and passenger rail corridor operated by BNSF Railway that runs through multiple Midwestern and Western states in the United States.
-
C.
Union Pacific Railroad line
The Union Pacific Railroad line is a major freight rail route in the western United States operated by Union Pacific Railroad, one of the largest railroad networks in North America.
-
D.
BNSF Railway Monticello Subdivision
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.
-
E.
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.
- 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_69ca82869ee08190b8f9040dbc2c0467 |
completed | March 30, 2026, 2:02 p.m. |
| NER | Named-entity recognition | batch_69cb1a72cfdc8190a3186c4c2894f571 |
completed | March 31, 2026, 12:50 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cb5b1e9e808190a0eb2dea5288e743 |
completed | March 31, 2026, 5:26 a.m. |
Created at: March 30, 2026, 4:51 p.m.