Triple

T20163219
Position Surface form Disambiguated ID Type / Status
Subject Europaplein E491765 entity
Predicate isOnCorridor P1018 FINISHED
Object Noord–Zuidlijn corridor
The Noord–Zuidlijn corridor is the north–south metro route in Amsterdam that connects key districts of the city via the modern Metro Line 52.
E1415097 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 corridor | Statement: [Europaplein, isOnCorridor, Noord–Zuidlijn corridor]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Noord–Zuidlijn corridor
Context triple: [Europaplein, isOnCorridor, Noord–Zuidlijn corridor]
  • A. Leiden–Alphen–Utrecht corridor
    The Leiden–Alphen–Utrecht corridor is a Dutch railway line connecting the cities of Leiden, Alphen aan den Rijn, and Utrecht as part of the Randstad region’s regional rail network.
  • B. Rotterdam–The Hague corridor
    The Rotterdam–The Hague corridor is a major urban and transport axis in the western Netherlands that links the cities of Rotterdam and The Hague within the densely populated Randstad metropolitan region.
  • C. Nijmegen–Oss corridor
    The Nijmegen–Oss corridor is a key Dutch transport axis linking the cities of Nijmegen and Oss and serving intermediate municipalities such as Wijchen.
  • 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. Eindhoven–Nijmegen–Arnhem corridor
    The Eindhoven–Nijmegen–Arnhem corridor is a strategically important region in the southern and eastern Netherlands, encompassing a chain of cities and river crossings that has served as a key transportation and military axis.
  • 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 corridor
Triple: [Europaplein, isOnCorridor, Noord–Zuidlijn corridor]
Generated description
The Noord–Zuidlijn corridor is the north–south metro route in Amsterdam that connects key districts of the city via the modern Metro Line 52.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Noord–Zuidlijn corridor
Target entity description: The Noord–Zuidlijn corridor is the north–south metro route in Amsterdam that connects key districts of the city via the modern Metro Line 52.
  • A. Leiden–Alphen–Utrecht corridor
    The Leiden–Alphen–Utrecht corridor is a Dutch railway line connecting the cities of Leiden, Alphen aan den Rijn, and Utrecht as part of the Randstad region’s regional rail network.
  • B. Rotterdam–The Hague corridor
    The Rotterdam–The Hague corridor is a major urban and transport axis in the western Netherlands that links the cities of Rotterdam and The Hague within the densely populated Randstad metropolitan region.
  • C. Nijmegen–Oss corridor
    The Nijmegen–Oss corridor is a key Dutch transport axis linking the cities of Nijmegen and Oss and serving intermediate municipalities such as Wijchen.
  • 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. Eindhoven–Nijmegen–Arnhem corridor
    The Eindhoven–Nijmegen–Arnhem corridor is a strategically important region in the southern and eastern Netherlands, encompassing a chain of cities and river crossings that has served as a key transportation and military axis.
  • 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_69da6266c6888190bc1a3ecf24814d34 completed April 11, 2026, 3:01 p.m.
NER Named-entity recognition batch_69e66841b7d88190af3606f762d87b24 completed April 20, 2026, 5:54 p.m.
NED1 Entity disambiguation (via context triple) batch_6a08347b41d8819086bd36e5e04c69ad completed May 16, 2026, 9:10 a.m.
NEDg Description generation batch_6a08359866c481908aa30ac61e18bcb0 completed May 16, 2026, 9:15 a.m.
NED2 Entity disambiguation (via description) batch_6a08361f64a08190af3305685a50f001 completed May 16, 2026, 9:17 a.m.
Created at: April 11, 2026, 11:35 p.m.