Triple
T17015123
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Siemens U2 LRV |
E412799
|
entity |
| Predicate | category |
P87
|
FINISHED |
| Object | Siemens rail vehicles |
E883418
|
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 rail vehicles | Statement: [Siemens U2 LRV, category, Siemens rail vehicles]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Siemens rail vehicles Context triple: [Siemens U2 LRV, category, Siemens rail vehicles]
-
A.
Siemens rolling stock
chosen
Siemens rolling stock refers to the range of railway vehicles and train systems manufactured by Siemens, including metros, trams, regional and high-speed trains used worldwide.
-
B.
Siemens S700 light rail vehicles
Siemens S700 light rail vehicles are modern low-floor light rail cars designed by Siemens Mobility for urban transit systems, featuring improved accessibility, energy efficiency, and passenger comfort.
-
C.
Siemens Venture railcar family
The Siemens Venture railcar family is a series of modern, lightweight, intercity and corridor passenger railcars designed for North American operators, emphasizing energy efficiency, passenger comfort, and compliance with current safety standards.
-
D.
Siemens Viaggio Next Level trainsets
Siemens Viaggio Next Level trainsets are modern, long-distance passenger trains developed by Siemens Mobility, known for their comfort-focused design and use in next-generation European night train services.
-
E.
Siemens modular metro trains
Siemens modular metro trains are a family of customizable, electric multiple-unit metro vehicles designed by Siemens for urban rapid transit systems.
- 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_69d886cc4170819093deddc7b8b4b6a7 |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e3d47f198c8190b0473f638101f606 |
completed | April 18, 2026, 6:59 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a011b4ba2a88190a49d355836ff1dcf |
completed | May 10, 2026, 11:56 p.m. |
Created at: April 10, 2026, 5:33 a.m.