Triple
T8237644
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | SPRINTER light rail |
E192450
|
entity |
| Predicate | usesRollingStock |
P5426
|
FINISHED |
| Object | Siemens Desiro Classic DMU |
E353621
|
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: Siemens Desiro Classic DMU | Statement: [SPRINTER light rail, usesRollingStock, Siemens Desiro Classic DMU]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Siemens Desiro Classic DMU Context triple: [SPRINTER light rail, usesRollingStock, Siemens Desiro Classic DMU]
-
A.
Siemens Desiro
chosen
Siemens Desiro is a family of modern diesel and electric multiple-unit trains widely used for regional and commuter rail services across Europe and beyond.
-
B.
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.
-
C.
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.
-
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.
Bombardier TRAXX
Bombardier TRAXX is a family of modular electric and diesel-electric locomotives widely used for passenger and freight services across Europe.
- 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_69ca82dc8f148190a2c75a98501a7b91 |
completed | March 30, 2026, 2:04 p.m. |
| NER | Named-entity recognition | batch_69cb783929c081909db1182947755bae |
completed | March 31, 2026, 7:31 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cd3504e6ac8190b4cb12c80a7e7fc0 |
completed | April 1, 2026, 3:08 p.m. |
Created at: March 30, 2026, 5:47 p.m.