Triple

T2671700
Position Surface form Disambiguated ID Type / Status
Subject Brussels Metro E55760 entity
Predicate hasComponent P35 FINISHED
Object Brussels Premetro
Brussels Premetro is a network of underground tram lines in Brussels that operates partly like a metro system, serving as a precursor and complement to the full Brussels Metro.
E56003 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: Brussels Premetro | Statement: [Brussels Metro, hasComponent, Brussels Premetro]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Brussels Premetro
Context triple: [Brussels Metro, hasComponent, Brussels Premetro]
  • A. Brussels Metro
    The Brussels Metro is the rapid transit system serving Belgium’s capital, forming the core of its urban public transportation network with multiple underground and light rail lines.
  • B. Brussels tram system
    The Brussels tram system is an extensive urban light rail network that complements the city’s metro and bus services, providing key public transportation across the Brussels-Capital Region.
  • C. Brussels suburban rail network
    The Brussels suburban rail network is a regional commuter rail system serving Brussels and its surrounding areas, connecting the city with nearby towns and suburbs through frequent train services.
  • D. Brussels Central metro station
    Brussels Central metro station is an underground rapid transit station in central Brussels that serves as a key link between the city’s metro network and the nearby Brussels-Central railway station.
  • E. STIB/MIVB Brussels fare zone
    The STIB/MIVB Brussels fare zone is the main urban tariff area within which Brussels’ public transport operator applies its standard ticketing and passes across the city’s metro, tram, and bus network.
  • 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: Brussels Premetro
Triple: [Brussels Metro, hasComponent, Brussels Premetro]
Generated description
Brussels Premetro is a network of underground tram lines in Brussels that operates partly like a metro system, serving as a precursor and complement to the full Brussels Metro.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Brussels Premetro
Target entity description: Brussels Premetro is a network of underground tram lines in Brussels that operates partly like a metro system, serving as a precursor and complement to the full Brussels Metro.
  • A. Brussels Metro
    The Brussels Metro is the rapid transit system serving Belgium’s capital, forming the core of its urban public transportation network with multiple underground and light rail lines.
  • B. Brussels tram system chosen
    The Brussels tram system is an extensive urban light rail network that complements the city’s metro and bus services, providing key public transportation across the Brussels-Capital Region.
  • C. Brussels suburban rail network
    The Brussels suburban rail network is a regional commuter rail system serving Brussels and its surrounding areas, connecting the city with nearby towns and suburbs through frequent train services.
  • D. Brussels Central metro station
    Brussels Central metro station is an underground rapid transit station in central Brussels that serves as a key link between the city’s metro network and the nearby Brussels-Central railway station.
  • E. STIB/MIVB Brussels fare zone
    The STIB/MIVB Brussels fare zone is the main urban tariff area within which Brussels’ public transport operator applies its standard ticketing and passes across the city’s metro, tram, and bus network.
  • F. None of above.

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_69ab49e54de48190be708cd1cf8be073 completed March 6, 2026, 9:40 p.m.
NER Named-entity recognition batch_69abd98f98908190b5c6fb38d3d4367a completed March 7, 2026, 7:53 a.m.
NED1 Entity disambiguation (via context triple) batch_69afaf54711881909936ecf850ff6e2e completed March 10, 2026, 5:42 a.m.
NEDg Description generation batch_69afb000ed448190a3d6db802eb88958 completed March 10, 2026, 5:45 a.m.
NED2 Entity disambiguation (via description) batch_69afb07e1d2c8190a8b8da3d3641b36c completed March 10, 2026, 5:47 a.m.
Created at: March 6, 2026, 9:54 p.m.