Triple

T18591821
Position Surface form Disambiguated ID Type / Status
Subject Muni Metro Breda LRV E454386 entity
Predicate manufacturer P490 FINISHED
Object Breda Costruzioni Ferroviarie
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.
 E1332125 NE FINISHED

How this triple was built (4 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.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Breda Costruzioni Ferroviarie
Triple: [Muni Metro Breda LRV, manufacturer, Breda Costruzioni Ferroviarie]
Generated 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.
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 (5 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.
NED1 Entity disambiguation (via context triple) batch_6a04f898b59481909aa72291b24a4cd0 completed May 13, 2026, 10:18 p.m.
NEDg Description generation batch_6a04fc705b3481908bea3e5f6ce33f1e completed May 13, 2026, 10:34 p.m.
NED2 Entity disambiguation (via description) batch_6a04fcc66ddc819094d427390e7c3774 completed May 13, 2026, 10:35 p.m.
Created at: April 10, 2026, 11:44 a.m.