Triple

T12019533
Position Surface form Disambiguated ID Type / Status
Subject Brussels North–South railway axis E286110 entity
Predicate alsoKnownAs P39 FINISHED
Object Noord-Zuidverbinding
Noord-Zuidverbinding is the central Brussels railway tunnel and corridor that links the city’s northern and southern stations, forming one of Belgium’s busiest and most important rail axes.
E959546 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: Noord-Zuidverbinding | Statement: [Brussels North–South railway axis, alsoKnownAs, Noord-Zuidverbinding]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Noord-Zuidverbinding
Context triple: [Brussels North–South railway axis, alsoKnownAs, Noord-Zuidverbinding]
  • A. Rotterdam–Hellevoetsluis corridor
    The Rotterdam–Hellevoetsluis corridor is a key regional transport axis in South Holland, connecting the port city of Rotterdam with the town of Hellevoetsluis and serving several intermediate municipalities.
  • B. Ceintuurbaan
    Ceintuurbaan is a major street in Amsterdam known for its shops, cafes, and role as a key traffic artery in the city.
  • C. Zeeburgertunnel
    The Zeeburgertunnel is a major road tunnel in Amsterdam that carries traffic beneath the Amsterdam–Rhine Canal as part of the city’s A10 ring road.
  • D. Haarlem–Leiden corridor
    The Haarlem–Leiden corridor is a key transport axis in the western Netherlands linking the cities of Haarlem and Leiden through a network of roads and other infrastructure.
  • E. Noord/Zuidlijn
    Noord/Zuidlijn is Amsterdam’s north–south metro line that connects the northern part of the city with the city center and southern districts via a major underground route.
  • 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: Noord-Zuidverbinding
Triple: [Brussels North–South railway axis, alsoKnownAs, Noord-Zuidverbinding]
Generated description
Noord-Zuidverbinding is the central Brussels railway tunnel and corridor that links the city’s northern and southern stations, forming one of Belgium’s busiest and most important rail axes.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Noord-Zuidverbinding
Target entity description: Noord-Zuidverbinding is the central Brussels railway tunnel and corridor that links the city’s northern and southern stations, forming one of Belgium’s busiest and most important rail axes.
  • A. Rotterdam–Hellevoetsluis corridor
    The Rotterdam–Hellevoetsluis corridor is a key regional transport axis in South Holland, connecting the port city of Rotterdam with the town of Hellevoetsluis and serving several intermediate municipalities.
  • B. Ceintuurbaan
    Ceintuurbaan is a major street in Amsterdam known for its shops, cafes, and role as a key traffic artery in the city.
  • C. Zeeburgertunnel
    The Zeeburgertunnel is a major road tunnel in Amsterdam that carries traffic beneath the Amsterdam–Rhine Canal as part of the city’s A10 ring road.
  • D. Haarlem–Leiden corridor
    The Haarlem–Leiden corridor is a key transport axis in the western Netherlands linking the cities of Haarlem and Leiden through a network of roads and other infrastructure.
  • E. Noord/Zuidlijn
    Noord/Zuidlijn is Amsterdam’s north–south metro line that connects the northern part of the city with the city center and southern districts via a major underground route.
  • 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_69d6ab45a368819084fce08bf0dc3705 completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d903dabf2c819084dcaa05ae0a6018 completed April 10, 2026, 2:06 p.m.
NED1 Entity disambiguation (via context triple) batch_69f48b53cd08819084a9335449844f12 completed May 1, 2026, 11:15 a.m.
NEDg Description generation batch_69f48fc6da4c81908442f18cb4a65b27 completed May 1, 2026, 11:34 a.m.
NED2 Entity disambiguation (via description) batch_69f495f069c48190a6e5856c272420c0 completed May 1, 2026, noon
Created at: April 8, 2026, 9:47 p.m.