Triple
T18311512
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Brünig railway line |
E438635
|
entity |
| Predicate | usesRollingStock |
P5426
|
FINISHED |
| Object | Zentralbahn electric multiple units |
—
|
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: Zentralbahn electric multiple units | Statement: [Brünig railway line, usesRollingStock, Zentralbahn electric multiple units]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Zentralbahn electric multiple units Context triple: [Brünig railway line, usesRollingStock, Zentralbahn electric multiple units]
-
A.
Stadler SPATZ multiple unit
chosen
The Stadler SPATZ multiple unit is a narrow-gauge electric trainset designed by Stadler Rail for regional and commuter services, particularly suited to mountainous railway lines.
-
B.
Stadler FINK multiple unit
The Stadler FINK multiple unit is a modern narrow-gauge electric trainset built by Stadler Rail for regional passenger services, particularly suited to mountainous railway lines.
-
C.
Stadler FLIRT multiple units
Stadler FLIRT multiple units are modern, low-floor electric multiple-unit trains built by Stadler Rail, widely used across Europe for regional and commuter services.
-
D.
Stadler KISS double-deck EMU
The Stadler KISS double-deck EMU is a high-capacity, electric multiple-unit commuter train known for its bi-level design, rapid acceleration, and use on regional and suburban rail services in various countries.
-
E.
Siemens-Duewag U2
The Siemens-Duewag U2 is a high-floor light rail vehicle widely used in North American transit systems, notably in early expansions of Calgary’s CTrain network.
- 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_69d8b915e3e881909125d760c15d0c29 |
completed | April 10, 2026, 8:47 a.m. |
| NER | Named-entity recognition | batch_69e50219cd548190b8da5f402d5da773 |
completed | April 19, 2026, 4:26 p.m. |
Created at: April 10, 2026, 10:36 a.m.