Triple
T20894243
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Devon and Cornwall rail network |
E514488
|
entity |
| Predicate | hasMainLine |
P3492
|
FINISHED |
| Object | Great Western Main Line (western section) |
—
|
NE NERFINISHED |
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: Great Western Main Line (western section) | Statement: [Devon and Cornwall rail network, hasMainLine, Great Western Main Line (western section)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Great Western Main Line (western section) Context triple: [Devon and Cornwall rail network, hasMainLine, Great Western Main Line (western section)]
-
A.
Great Western Main Line
chosen
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.
-
B.
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.
-
C.
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.
-
D.
BNSF Needles Subdivision
The BNSF Needles Subdivision is a major freight rail line in the southwestern United States that carries heavy transcontinental traffic across the desert between California and Arizona.
-
E.
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.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69e0b4f7ebe48190952a85547a0f31a1 |
completed | April 16, 2026, 10:07 a.m. |
| NER | Named-entity recognition | batch_69e6d06129788190b88ab807af4641c1 |
completed | April 21, 2026, 1:18 a.m. |
Created at: April 16, 2026, 12:46 p.m.