Triple
T18591821
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Muni Metro Breda LRV |
E454386
|
entity |
| Predicate | manufacturer |
P490
|
FINISHED |
| Object | Breda Costruzioni Ferroviarie |
—
|
NE NERFINISHED |
How this triple was built (3 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: Breda Costruzioni Ferroviarie | Statement: [Muni Metro Breda LRV, manufacturer, Breda Costruzioni Ferroviarie]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Breda Costruzioni Ferroviarie Context triple: [Muni Metro Breda LRV, manufacturer, Breda Costruzioni Ferroviarie]
-
A.
Fiat Ferroviaria
Fiat Ferroviaria was an Italian railway rolling stock manufacturer known for producing trains and rail vehicles used across Europe.
-
B.
Salini Impregilo
Salini Impregilo is a major Italian construction and civil engineering company known for building large-scale infrastructure projects such as dams, highways, and railways around the world.
-
C.
Ferrovie dello Stato Italiane
Ferrovie dello Stato Italiane is Italy’s state-owned national railway holding company, overseeing passenger and freight rail services as well as rail infrastructure through various subsidiaries.
-
D.
Stadler Rail
Stadler Rail is a Swiss manufacturer of railway rolling stock known for producing regional and commuter trains, trams, and light rail vehicles for markets worldwide.
-
E.
Systra
Systra is a global engineering and consulting firm specializing in mass transit and rail infrastructure projects.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Breda Costruzioni Ferroviarie Target entity description: Breda Costruzioni Ferroviarie is an Italian rail vehicle manufacturer known for producing trams, light rail vehicles, and other rolling stock for urban and regional transit systems worldwide.
-
A.
Fiat Ferroviaria
Fiat Ferroviaria was an Italian railway rolling stock manufacturer known for producing trains and rail vehicles used across Europe.
-
B.
Salini Impregilo
Salini Impregilo is a major Italian construction and civil engineering company known for building large-scale infrastructure projects such as dams, highways, and railways around the world.
-
C.
Ferrovie dello Stato Italiane
Ferrovie dello Stato Italiane is Italy’s state-owned national railway holding company, overseeing passenger and freight rail services as well as rail infrastructure through various subsidiaries.
-
D.
Stadler Rail
Stadler Rail is a Swiss manufacturer of railway rolling stock known for producing regional and commuter trains, trams, and light rail vehicles for markets worldwide.
-
E.
Systra
Systra is a global engineering and consulting firm specializing in mass transit and rail infrastructure projects.
- F. None of above. chosen
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_69d8d38ae7e081908a98df1251842402 |
completed | April 10, 2026, 10:40 a.m. |
| NER | Named-entity recognition | batch_69e545b6792481908eae92718aa4c889 |
completed | April 19, 2026, 9:14 p.m. |
Created at: April 10, 2026, 11:44 a.m.