Triple

T11954597
Position Surface form Disambiguated ID Type / Status
Subject Utrecht–Nijmegen railway E284517 entity
Predicate signallingSystem P19148 FINISHED
Object Dutch ATB system
The Dutch ATB system is a train protection and automatic train control system used on much of the Netherlands’ railway network to enforce speed limits and enhance operational safety.
E956013 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: Dutch ATB system | Statement: [Utrecht–Nijmegen railway, signallingSystem, Dutch ATB system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Dutch ATB system
Context triple: [Utrecht–Nijmegen railway, signallingSystem, Dutch ATB system]
  • A. Amsterdam transport zoning system
    The Amsterdam transport zoning system is a fare and ticketing structure that divides the city and surrounding areas into zones to determine prices and validity for public transport services.
  • B. Rotterdam urban bus network
    The Rotterdam urban bus network is the city’s primary system of local bus routes, providing extensive public transport coverage across Rotterdam and its surrounding areas.
  • C. Schiphol terminal piers system
    The Schiphol terminal piers system is the integrated network of passenger boarding concourses at Amsterdam Airport Schiphol, designed to connect the main terminal with aircraft stands across multiple piers.
  • D. The Hague tram network
    The Hague tram network is an extensive urban light rail and tram system serving The Hague and surrounding municipalities in the Netherlands.
  • E. Amsterdam Stand
    Amsterdam Stand is one of the main spectator sections of Estadio Centenario in Montevideo, Uruguay, known for hosting passionate football fans.
  • 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: Dutch ATB system
Triple: [Utrecht–Nijmegen railway, signallingSystem, Dutch ATB system]
Generated description
The Dutch ATB system is a train protection and automatic train control system used on much of the Netherlands’ railway network to enforce speed limits and enhance operational safety.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Dutch ATB system
Target entity description: The Dutch ATB system is a train protection and automatic train control system used on much of the Netherlands’ railway network to enforce speed limits and enhance operational safety.
  • A. Amsterdam transport zoning system
    The Amsterdam transport zoning system is a fare and ticketing structure that divides the city and surrounding areas into zones to determine prices and validity for public transport services.
  • B. Rotterdam urban bus network
    The Rotterdam urban bus network is the city’s primary system of local bus routes, providing extensive public transport coverage across Rotterdam and its surrounding areas.
  • C. Schiphol terminal piers system
    The Schiphol terminal piers system is the integrated network of passenger boarding concourses at Amsterdam Airport Schiphol, designed to connect the main terminal with aircraft stands across multiple piers.
  • D. The Hague tram network
    The Hague tram network is an extensive urban light rail and tram system serving The Hague and surrounding municipalities in the Netherlands.
  • E. Amsterdam Stand
    Amsterdam Stand is one of the main spectator sections of Estadio Centenario in Montevideo, Uruguay, known for hosting passionate football fans.
  • 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_69d6ab2db38c8190b1f0ed6663ef8ada completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d90366fda8819083168c93abad27d4 completed April 10, 2026, 2:04 p.m.
NED1 Entity disambiguation (via context triple) batch_69f459175f808190974ac70431f35c74 completed May 1, 2026, 7:41 a.m.
NEDg Description generation batch_69f4645a7038819089d7533715f8a430 completed May 1, 2026, 8:29 a.m.
NED2 Entity disambiguation (via description) batch_69f4664ff9608190b23e29b3e5c1c326 completed May 1, 2026, 8:37 a.m.
Created at: April 8, 2026, 9:45 p.m.