Triple

T5079121
Position Surface form Disambiguated ID Type / Status
Subject Metro line 52 E114471 entity
Predicate alsoKnownAs P39 FINISHED
Object Amsterdam North–South line
The Amsterdam North–South line is a major metro route in Amsterdam that runs between the northern and southern parts of the city, significantly improving cross-city public transport connectivity.
E498885 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: Amsterdam North–South line | Statement: [Metro line 52, alsoKnownAs, Amsterdam North–South line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Amsterdam North–South line
Context triple: [Metro line 52, alsoKnownAs, Amsterdam North–South line]
  • A. Amsterdam–Amersfoort railway
    The Amsterdam–Amersfoort railway is a major Dutch rail corridor connecting Amsterdam with the city of Amersfoort and serving several intermediate towns in the central Netherlands.
  • B. 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.
  • C. 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.
  • D. Amsterdam–Schiphol railway
    The Amsterdam–Schiphol railway is a key rail line in the Netherlands that connects central Amsterdam with Schiphol Airport and other major routes in the Randstad region.
  • E. 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.
  • 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: Amsterdam North–South line
Triple: [Metro line 52, alsoKnownAs, Amsterdam North–South line]
Generated description
The Amsterdam North–South line is a major metro route in Amsterdam that runs between the northern and southern parts of the city, significantly improving cross-city public transport connectivity.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Amsterdam North–South line
Target entity description: The Amsterdam North–South line is a major metro route in Amsterdam that runs between the northern and southern parts of the city, significantly improving cross-city public transport connectivity.
  • A. Amsterdam–Amersfoort railway
    The Amsterdam–Amersfoort railway is a major Dutch rail corridor connecting Amsterdam with the city of Amersfoort and serving several intermediate towns in the central Netherlands.
  • B. 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.
  • C. 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.
  • D. Amsterdam–Schiphol railway
    The Amsterdam–Schiphol railway is a key rail line in the Netherlands that connects central Amsterdam with Schiphol Airport and other major routes in the Randstad region.
  • E. 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.
  • 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_69bed912629c8190beffde376f0aedc7 completed March 21, 2026, 5:44 p.m.
NEDg Description generation batch_69bed97f929881909af270c910cdbff1 completed March 21, 2026, 5:46 p.m.
NED2 Entity disambiguation (via description) batch_69bed9d7f47c819089a6f8d022291929 completed March 21, 2026, 5:48 p.m.
Created at: March 20, 2026, 1:39 p.m.