Triple
T8508323
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Arrow (San Bernardino–Redlands) service |
E201390
|
entity |
| Predicate | rollingStock |
P1305
|
FINISHED |
| Object | Stadler FLIRT diesel multiple unit |
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 diesel multiple unit | Statement: [Arrow (San Bernardino–Redlands) service, rollingStock, Stadler FLIRT diesel multiple unit]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Stadler FLIRT diesel multiple unit Context triple: [Arrow (San Bernardino–Redlands) service, rollingStock, Stadler FLIRT diesel multiple unit]
-
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 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.
-
D.
Siemens Vectron
Siemens Vectron is a modular family of electric and diesel-electric locomotives designed for versatile passenger and freight operations across European rail networks.
-
E.
Siemens EuroSprinter
Siemens EuroSprinter is a family of high-performance electric locomotives developed by Siemens for freight and passenger rail services across Europe and beyond.
- 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_69ca8320e5748190ac2c585a0bba8193 |
completed | March 30, 2026, 2:05 p.m. |
| NER | Named-entity recognition | batch_69cbe5df74e8819086b1445cc907e371 |
completed | March 31, 2026, 3:18 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ce4e37b0548190908632fd167efac1 |
completed | April 2, 2026, 11:08 a.m. |
Created at: March 30, 2026, 6:15 p.m.