Triple

T12132267
Position Surface form Disambiguated ID Type / Status
Subject Line 6 (Brussels Metro) E288961 entity
Predicate usesRollingStock P5426 FINISHED
Object Brussels Metro M1-M5 trains
Brussels Metro M1-M5 trains are a series of electric multiple units that provide high-capacity passenger service across the core lines of the Brussels Metro network.
E55760 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 Metro M1-M5 trains | Statement: [Line 6 (Brussels Metro), usesRollingStock, Brussels Metro M1-M5 trains]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Brussels Metro M1-M5 trains
Context triple: [Line 6 (Brussels Metro), usesRollingStock, Brussels Metro M1-M5 trains]
  • 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 public transport network
    The Brussels public transport network is the city-wide system of metro, tram, and bus services that provides comprehensive urban and suburban mobility across the Brussels-Capital Region.
  • D. 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.
  • E. Antwerp tram network
    The Antwerp tram network is an extensive urban light rail system serving the city of Antwerp and its suburbs, forming a key part of the region’s public transportation infrastructure.
  • 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 Metro M1-M5 trains
Triple: [Line 6 (Brussels Metro), usesRollingStock, Brussels Metro M1-M5 trains]
Generated description
Brussels Metro M1-M5 trains are a series of electric multiple units that provide high-capacity passenger service across the core lines of the Brussels Metro network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Brussels Metro M1-M5 trains
Target entity description: Brussels Metro M1-M5 trains are a series of electric multiple units that provide high-capacity passenger service across the core lines of the Brussels Metro network.
  • A. Brussels Metro chosen
    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 public transport network
    The Brussels public transport network is the city-wide system of metro, tram, and bus services that provides comprehensive urban and suburban mobility across the Brussels-Capital Region.
  • D. 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.
  • E. Antwerp tram network
    The Antwerp tram network is an extensive urban light rail system serving the city of Antwerp and its suburbs, forming a key part of the region’s public transportation infrastructure.
  • 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_69d6ab4b5e4c81909950b17151eb0951 completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d9158b34648190b5eecdf9b07fbb3f completed April 10, 2026, 3:21 p.m.
NED1 Entity disambiguation (via context triple) batch_69f63458b22c8190b2a7d4a9cd25dfe1 completed May 2, 2026, 5:28 p.m.
NEDg Description generation batch_69f635f094e48190be7d86d1236058dc completed May 2, 2026, 5:35 p.m.
NED2 Entity disambiguation (via description) batch_69f636d727a08190882eec3fd664b64d completed May 2, 2026, 5:39 p.m.
Created at: April 8, 2026, 9:49 p.m.