Triple

T5079120
Position Surface form Disambiguated ID Type / Status
Subject Metro line 52 E114471 entity
Predicate alsoKnownAs P39 FINISHED
Object 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.
E491763 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/Zuidlijn | Statement: [Metro line 52, alsoKnownAs, Noord/Zuidlijn]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Noord/Zuidlijn
Context triple: [Metro line 52, alsoKnownAs, Noord/Zuidlijn]
  • A. Amstelveenlijn
    Amstelveenlijn is a light rail corridor in the Amsterdam metropolitan area connecting the city with the suburb of Amstelveen.
  • B. Nijmegen–Venlo railway
    The Nijmegen–Venlo railway is a regional rail line in the Netherlands connecting the cities of Nijmegen and Venlo as part of the country’s passenger and freight rail network.
  • C. Amsterdam–Utrecht railway
    The Amsterdam–Utrecht railway is a major Dutch mainline rail route connecting Amsterdam with Utrecht and forming part of a key north–south transport corridor in the Netherlands.
  • D. Amsterdam–Haarlem–Rotterdam railway
    The Amsterdam–Haarlem–Rotterdam railway is one of the Netherlands’ oldest and most important mainline rail routes, connecting major cities in the Randstad region.
  • E. Haarlem–Leiden railway
    The Haarlem–Leiden railway is a historic rail line in the Netherlands that connects the cities of Haarlem and Leiden and serves several intermediate towns in the province of North Holland.
  • 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/Zuidlijn
Triple: [Metro line 52, alsoKnownAs, Noord/Zuidlijn]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Noord/Zuidlijn
Target entity description: 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.
  • A. Amstelveenlijn
    Amstelveenlijn is a light rail corridor in the Amsterdam metropolitan area connecting the city with the suburb of Amstelveen.
  • B. Nijmegen–Venlo railway
    The Nijmegen–Venlo railway is a regional rail line in the Netherlands connecting the cities of Nijmegen and Venlo as part of the country’s passenger and freight rail network.
  • C. Amsterdam–Utrecht railway
    The Amsterdam–Utrecht railway is a major Dutch mainline rail route connecting Amsterdam with Utrecht and forming part of a key north–south transport corridor in the Netherlands.
  • D. Amsterdam–Haarlem–Rotterdam railway
    The Amsterdam–Haarlem–Rotterdam railway is one of the Netherlands’ oldest and most important mainline rail routes, connecting major cities in the Randstad region.
  • E. Haarlem–Leiden railway
    The Haarlem–Leiden railway is a historic rail line in the Netherlands that connects the cities of Haarlem and Leiden and serves several intermediate towns in the province of North Holland.
  • 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_69bd443dbf908190a9401e9c2dc7bd7d completed March 20, 2026, 12:57 p.m.
NER Named-entity recognition batch_69bd74f75cf0819088be9e076eaf3168 completed March 20, 2026, 4:25 p.m.
NED1 Entity disambiguation (via context triple) batch_69beb12bd7288190b66ac606aebcabca completed March 21, 2026, 2:54 p.m.
NEDg Description generation batch_69beb19325fc8190b768b8bd27eb0d7c completed March 21, 2026, 2:56 p.m.
NED2 Entity disambiguation (via description) batch_69beb23f789c8190811ee9e43327196c completed March 21, 2026, 2:59 p.m.
Created at: March 20, 2026, 1:39 p.m.