Triple
T22348648
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | British Rail Class 155 |
E552466
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Northern |
—
|
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: Northern | Statement: [British Rail Class 155, operator, Northern]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Northern Context triple: [British Rail Class 155, operator, Northern]
-
A.
Northern
chosen
Northern is a primary regional train operating company in Northern England, running local and commuter rail services across cities such as Manchester, Leeds, and Newcastle.
-
B.
Northern
A Northern is a type of steam locomotive characterized by its 4-8-4 wheel arrangement, widely used in North America for fast passenger and heavy freight service.
-
C.
Northern
Northern is the nickname of Bradford Northern, a historic English rugby league club now known as the Bradford Bulls.
-
D.
North
North is Matchbox Twenty’s 2012 studio album that marked their return after a decade, featuring a polished pop-rock sound and the hit single "She's So Mean."
-
E.
North
North is a 2003 album by Elvis Costello that showcases a more intimate, jazz-influenced style centered on piano-based ballads.
- 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_69e11e4a0ad08190a385b4d343cf6524 |
completed | April 16, 2026, 5:37 p.m. |
| NER | Named-entity recognition | batch_69f1579a1c308190ae2174f99ae317ab |
completed | April 29, 2026, 12:58 a.m. |
Created at: April 16, 2026, 8:43 p.m.