Triple

T4998696
Position Surface form Disambiguated ID Type / Status
Subject Amsterdam–Schiphol railway E112311 entity
Predicate connectsTo P845 FINISHED
Object Schiphol–Leiden railway
The Schiphol–Leiden railway is a key rail line in the Netherlands linking Amsterdam Airport Schiphol with the city of Leiden and forming part of the main corridor between Amsterdam and The Hague/Rotterdam.
 E113960 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: Schiphol–Leiden railway | Statement: [Amsterdam–Schiphol railway, connectsTo, Schiphol–Leiden railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Schiphol–Leiden railway
Context triple: [Amsterdam–Schiphol railway, connectsTo, Schiphol–Leiden railway]
  • A. 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.
  • 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–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.
  • D. Weesp–Leiden railway
    The Weesp–Leiden railway is a key rail line in the Netherlands connecting the Amsterdam area with Leiden and serving as an important corridor in the Randstad region’s passenger rail network.
  • E. Utrecht–Leiden railway
    The Utrecht–Leiden railway is a Dutch rail line connecting the cities of Utrecht and Leiden, serving as an important regional passenger route in the Randstad area.
  • 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: Schiphol–Leiden railway
Triple: [Amsterdam–Schiphol railway, connectsTo, Schiphol–Leiden railway]
Generated description
The Schiphol–Leiden railway is a key rail line in the Netherlands linking Amsterdam Airport Schiphol with the city of Leiden and forming part of the main corridor between Amsterdam and The Hague/Rotterdam.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Schiphol–Leiden railway
Target entity description: The Schiphol–Leiden railway is a key rail line in the Netherlands linking Amsterdam Airport Schiphol with the city of Leiden and forming part of the main corridor between Amsterdam and The Hague/Rotterdam.
  • A. 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.
  • 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–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.
  • D. Weesp–Leiden railway chosen
    The Weesp–Leiden railway is a key rail line in the Netherlands connecting the Amsterdam area with Leiden and serving as an important corridor in the Randstad region’s passenger rail network.
  • E. Utrecht–Leiden railway
    The Utrecht–Leiden railway is a Dutch rail line connecting the cities of Utrecht and Leiden, serving as an important regional passenger route in the Randstad area.
  • F. None of above.

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_69bd4432b32c81909f3b3c6bd10f0653 completed March 20, 2026, 12:57 p.m.
NER Named-entity recognition batch_69bd72ba2e588190bfd76beda0c4105c completed March 20, 2026, 4:15 p.m.
NED1 Entity disambiguation (via context triple) batch_69beb0e72c4c819097ed50db44496bd8 completed March 21, 2026, 2:53 p.m.
NEDg Description generation batch_69beb1b0ce9481908865c388cb661ed4 completed March 21, 2026, 2:56 p.m.
NED2 Entity disambiguation (via description) batch_69beb21233cc8190b1d0f583fe557c68 completed March 21, 2026, 2:58 p.m.
Created at: March 20, 2026, 1:34 p.m.