Triple

T12019528
Position Surface form Disambiguated ID Type / Status
Subject Brussels North–South railway axis E286110 entity
Predicate isUndergroundBetween P15152 FINISHED
Object Brussels-North railway station E280687 NE FINISHED

How this triple was built (3 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-North railway station | Statement: [Brussels North–South railway axis, isUndergroundBetween, Brussels-North railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Brussels-North railway station
Context triple: [Brussels North–South railway axis, isUndergroundBetween, Brussels-North railway station]
  • A. Brussels-North railway station chosen
    Brussels-North railway station is one of the main railway hubs in Brussels, serving national and international train services and integrating with the city’s public transport network.
  • B. Brussels-South railway station
    Brussels-South railway station is the largest and busiest train station in Brussels, serving as a major international hub for high-speed rail services including Eurostar and Thalys.
  • C. Brussels-Congress railway station
    Brussels-Congress railway station is a small central Brussels rail stop on the North–South connection, serving local and commuter trains near the city’s Royal Quarter.
  • D. Brussels-Schuman railway station
    Brussels-Schuman railway station is a major rail and metro hub in Brussels’ European Quarter, serving EU institutions and providing regional and international connections.
  • E. Bruxelles-Central / Brussel-Centraal railway station
    Bruxelles-Central / Brussel-Centraal is the primary central railway station in Brussels, Belgium, serving as a major national and international transit hub.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07 
Target predicate: isUndergroundBetween
Context triple: [Brussels North–South railway axis, isUndergroundBetween, Brussels-North railway station]
  • A. isUndergroundOnly
    Indicates that something exists, operates, or is accessible exclusively below ground level and not above ground.
  • B. hasUndergroundSection chosen
    Indicates that an entity includes a portion or segment that is located below ground level.
  • C. operatedUnderground
    Indicates that an entity conducted its activities or operations beneath the surface of the ground, rather than at or above ground level.
  • D. hasUndergroundDepth
    Indicates that one entity has a specified vertical extent or depth located below the ground surface relative to another reference or context.
  • E. hasSubwayLineAboveOrBelow
    Indicates that one subway line is physically located above or below another subway line, such as on different levels of a transit system.
  • F. None of above.

Provenance (4 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_69d6ab45a368819084fce08bf0dc3705 completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d9100b4ca8819084845ca4c13e34ce completed April 10, 2026, 2:58 p.m.
NED1 Entity disambiguation (via context triple) batch_69f6684b79c48190a663e9f5504ba20c completed May 2, 2026, 9:10 p.m.
PD Predicate disambiguation batch_69d902b6ebbc8190b13c44a61c6f81b9 completed April 10, 2026, 2:01 p.m.
Created at: April 8, 2026, 9:47 p.m.