Triple

T17894955
Position Surface form Disambiguated ID Type / Status
Subject Fiat Ferroviaria E447408 entity
Predicate developed P73 FINISHED
Object ETR 480
ETR 480 is an Italian high-speed tilting electric multiple unit train used primarily for long-distance passenger services in Europe.
 E1297924 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: ETR 480 | Statement: [Fiat Ferroviaria, developed, ETR 480]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: ETR 480
Context triple: [Fiat Ferroviaria, developed, ETR 480]
  • A. ETR 401
    ETR 401 is an Italian experimental high-speed tilting train prototype built in the 1970s that pioneered active tilting technology for improved speed on curved tracks.
  • B. ETR 470
    ETR 470 is an Italian-designed high-speed tilting electric multiple unit train used primarily for international EuroCity services in Europe.
  • C. ETR 610
    The ETR 610 is a high-speed tilting electric multiple unit train used on international and domestic services in Italy and neighboring countries.
  • D. ETR 460
    ETR 460 is an Italian high-speed tilting trainset used primarily for fast intercity passenger services.
  • E. ETR 450
    The ETR 450 is an Italian high-speed tilting trainset introduced in the late 1980s for Trenitalia’s Eurostar services, notable as one of the first production Pendolino trains.
  • 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: ETR 480
Triple: [Fiat Ferroviaria, developed, ETR 480]
Generated description
ETR 480 is an Italian high-speed tilting electric multiple unit train used primarily for long-distance passenger services in Europe.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: ETR 480
Target entity description: ETR 480 is an Italian high-speed tilting electric multiple unit train used primarily for long-distance passenger services in Europe.
  • A. ETR 401
    ETR 401 is an Italian experimental high-speed tilting train prototype built in the 1970s that pioneered active tilting technology for improved speed on curved tracks.
  • B. ETR 470
    ETR 470 is an Italian-designed high-speed tilting electric multiple unit train used primarily for international EuroCity services in Europe.
  • C. ETR 610
    The ETR 610 is a high-speed tilting electric multiple unit train used on international and domestic services in Italy and neighboring countries.
  • D. ETR 460
    ETR 460 is an Italian high-speed tilting trainset used primarily for fast intercity passenger services.
  • E. ETR 450
    The ETR 450 is an Italian high-speed tilting trainset introduced in the late 1980s for Trenitalia’s Eurostar services, notable as one of the first production Pendolino trains.
  • 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_69d8b9f59bd48190a6fc925a855b8bac completed April 10, 2026, 8:51 a.m.
NER Named-entity recognition batch_69e49d7ccf808190b4c1fd477043bcc8 completed April 19, 2026, 9:16 a.m.
NED1 Entity disambiguation (via context triple) batch_6a03290849b081908186afa86cd74ad1 completed May 12, 2026, 1:20 p.m.
NEDg Description generation batch_6a032aca603c81908ad23b0f19813942 completed May 12, 2026, 1:27 p.m.
NED2 Entity disambiguation (via description) batch_6a032c42d0a08190b2665adafaffdca7 completed May 12, 2026, 1:33 p.m.
Created at: April 10, 2026, 10:19 a.m.