Triple

T1534214
Position Surface form Disambiguated ID Type / Status
Subject Fréjus Rail Tunnel E32513 entity
Predicate operator P179 FINISHED
Object Rete Ferroviaria Italiana
Rete Ferroviaria Italiana is Italy’s state-owned rail infrastructure manager responsible for the operation, maintenance, and development of the national railway network.
 E174505 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: Rete Ferroviaria Italiana | Statement: [Fréjus Rail Tunnel, operator, Rete Ferroviaria Italiana]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Rete Ferroviaria Italiana
Context triple: [Fréjus Rail Tunnel, operator, Rete Ferroviaria Italiana]
  • A. Abellio
    Abellio is a Dutch-based public transport company that operates train and bus services in the United Kingdom and parts of Europe.
  • B. Swiss Federal Railways
    Swiss Federal Railways is Switzerland’s national railway company, responsible for operating the majority of the country’s passenger and freight rail services and managing much of its rail infrastructure.
  • C. SBB Cargo
    SBB Cargo is the freight transport division of Switzerland’s national railway company, providing rail logistics and cargo services across Switzerland and into neighboring countries.
  • D. ÖBB
    ÖBB is Austria’s national railway company, operating most of the country’s passenger and freight train services across domestic and international routes.
  • E. Deutsche Bahn
    Deutsche Bahn is Germany's state-owned national railway company and one of the largest rail and logistics operators in Europe.
  • 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: Rete Ferroviaria Italiana
Triple: [Fréjus Rail Tunnel, operator, Rete Ferroviaria Italiana]
Generated description
Rete Ferroviaria Italiana is Italy’s state-owned rail infrastructure manager responsible for the operation, maintenance, and development of the national railway network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Rete Ferroviaria Italiana
Target entity description: Rete Ferroviaria Italiana is Italy’s state-owned rail infrastructure manager responsible for the operation, maintenance, and development of the national railway network.
  • A. Abellio
    Abellio is a Dutch-based public transport company that operates train and bus services in the United Kingdom and parts of Europe.
  • B. Swiss Federal Railways
    Swiss Federal Railways is Switzerland’s national railway company, responsible for operating the majority of the country’s passenger and freight rail services and managing much of its rail infrastructure.
  • C. SBB Cargo
    SBB Cargo is the freight transport division of Switzerland’s national railway company, providing rail logistics and cargo services across Switzerland and into neighboring countries.
  • D. ÖBB
    ÖBB is Austria’s national railway company, operating most of the country’s passenger and freight train services across domestic and international routes.
  • E. Deutsche Bahn
    Deutsche Bahn is Germany's state-owned national railway company and one of the largest rail and logistics operators in Europe.
  • 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_69a885ea86308190998f6bc14bb91f8e completed March 4, 2026, 7:20 p.m.
NER Named-entity recognition batch_69aa61f8df00819086f34847e2170e12 completed March 6, 2026, 5:11 a.m.
NED1 Entity disambiguation (via context triple) batch_69ad295da0988190b1dc171bcdfe4d71 completed March 8, 2026, 7:46 a.m.
NEDg Description generation batch_69ad29dc9fd08190b67527f0662c92dc completed March 8, 2026, 7:48 a.m.
NED2 Entity disambiguation (via description) batch_69ad2a4d71a88190b67ed21beebbb479 completed March 8, 2026, 7:50 a.m.
Created at: March 4, 2026, 7:26 p.m.