Triple
T1295268
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metra BNSF Railway Line |
E27639
|
entity |
| Predicate | formerName |
P65
|
FINISHED |
| Object | Burlington Northern line |
E93270
|
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: Burlington Northern line | Statement: [Metra BNSF Railway Line, formerName, Burlington Northern line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Burlington Northern line Context triple: [Metra BNSF Railway Line, formerName, Burlington Northern line]
-
A.
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.
-
B.
Great Western Main Line
The Great Western Main Line is a major intercity railway route in England that connects London with key cities in the west, including Bristol and South Wales.
-
C.
St. Louis–San Francisco Railway
The St. Louis–San Francisco Railway, commonly known as the Frisco, was a major American railroad that operated in the central and south-central United States from the late 19th to the mid-20th century.
-
D.
Northern Central Railway
Northern Central Railway was a historic American railroad that operated primarily in Pennsylvania and Maryland, serving as an important north–south link in the 19th and early 20th centuries.
-
E.
Western Pacific Railroad
Western Pacific Railroad was a major American railroad company that operated primarily in the western United States, known for its scenic transcontinental routes and competitive service against larger carriers like the Southern Pacific.
- 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_69a496d6682881909ba658f1c1e0e2b0 |
completed | March 1, 2026, 7:43 p.m. |
| NER | Named-entity recognition | batch_69a4c0f4031481908f5e3a53d8a72929 |
completed | March 1, 2026, 10:43 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69acacc1e7948190a1ecd240c751d258 |
completed | March 7, 2026, 10:54 p.m. |
Created at: March 1, 2026, 7:51 p.m.