Triple
T13740491
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | South Wales Metro |
E330071
|
entity |
| Predicate | usesRollingStock |
P5426
|
FINISHED |
| Object | Stadler FLIRT multiple units |
E138968
|
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: Stadler FLIRT multiple units | Statement: [South Wales Metro, usesRollingStock, Stadler FLIRT multiple units]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Stadler FLIRT multiple units Context triple: [South Wales Metro, usesRollingStock, Stadler FLIRT multiple units]
-
A.
Stadler FLIRT multiple units
chosen
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.
-
B.
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.
-
C.
Stadler Citylink tram-trains
Stadler Citylink tram-trains are modern, bi-mode light rail vehicles designed for flexible operation on both urban tramways and mainline railway tracks.
-
D.
Stadler GTW DMU
The Stadler GTW DMU is a modular, lightweight diesel multiple unit train designed by Stadler Rail for regional and commuter rail services, known for its central power module and efficient operation on non-electrified lines.
-
E.
Stadler Minsk
Stadler Minsk is a Belarus-based manufacturing facility of Stadler Rail that produces and assembles modern railway rolling stock for regional and international markets.
- 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_69d80772315881908f980cae40d91664 |
completed | April 9, 2026, 8:09 p.m. |
| NER | Named-entity recognition | batch_69de0206a4b88190a60914e2b43e54f9 |
completed | April 14, 2026, 8:59 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f7a84dbdc48190a4724bb9c3523b25 |
completed | May 3, 2026, 7:55 p.m. |
Created at: April 9, 2026, 9:55 p.m.