Triple

T4003498
Position Surface form Disambiguated ID Type / Status
Subject Leiden Centraal E89468 entity
Predicate railwayLine P848 FINISHED
Object Uithoorn–Alphen aan den Rijn–Leiden railway (former)
The Uithoorn–Alphen aan den Rijn–Leiden railway was a former regional rail line in the western Netherlands that connected the towns of Uithoorn and Alphen aan den Rijn with the city of Leiden.
E407406 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: Uithoorn–Alphen aan den Rijn–Leiden railway (former) | Statement: [Leiden Centraal, railwayLine, Uithoorn–Alphen aan den Rijn–Leiden railway (former)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Uithoorn–Alphen aan den Rijn–Leiden railway (former)
Context triple: [Leiden Centraal, railwayLine, Uithoorn–Alphen aan den Rijn–Leiden railway (former)]
  • A. Utrecht–Hilversum–Amersfoort railway
    The Utrecht–Hilversum–Amersfoort railway is a key Dutch rail route connecting the central hub of Utrecht with the cities of Hilversum and Amersfoort in the central Netherlands.
  • B. Amsterdam–Zutphen railway line
    The Amsterdam–Zutphen railway line is a major Dutch rail route connecting Amsterdam with the eastern city of Zutphen, serving as an important corridor for both regional and intercity train services.
  • C. Utrecht–Boxtel railway
    The Utrecht–Boxtel railway is a major Dutch rail route in the central Netherlands that connects the city of Utrecht with Boxtel and forms part of an important north–south corridor in the national rail network.
  • D. railway line The Hague–Leiden
    The railway line The Hague–Leiden is a key rail route in the Netherlands connecting the cities of The Hague and Leiden as part of the country’s dense intercity and regional train network.
  • E. Utrecht–’s‑Hertogenbosch railway
    The Utrecht–’s‑Hertogenbosch railway is a major Dutch mainline rail route connecting the central hub of Utrecht with the city of ’s‑Hertogenbosch, forming part of the core north–south rail 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: Uithoorn–Alphen aan den Rijn–Leiden railway (former)
Triple: [Leiden Centraal, railwayLine, Uithoorn–Alphen aan den Rijn–Leiden railway (former)]
Generated description
The Uithoorn–Alphen aan den Rijn–Leiden railway was a former regional rail line in the western Netherlands that connected the towns of Uithoorn and Alphen aan den Rijn with the city of Leiden.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Uithoorn–Alphen aan den Rijn–Leiden railway (former)
Target entity description: The Uithoorn–Alphen aan den Rijn–Leiden railway was a former regional rail line in the western Netherlands that connected the towns of Uithoorn and Alphen aan den Rijn with the city of Leiden.
  • A. Utrecht–Hilversum–Amersfoort railway
    The Utrecht–Hilversum–Amersfoort railway is a key Dutch rail route connecting the central hub of Utrecht with the cities of Hilversum and Amersfoort in the central Netherlands.
  • B. Amsterdam–Zutphen railway line
    The Amsterdam–Zutphen railway line is a major Dutch rail route connecting Amsterdam with the eastern city of Zutphen, serving as an important corridor for both regional and intercity train services.
  • C. Utrecht–Boxtel railway
    The Utrecht–Boxtel railway is a major Dutch rail route in the central Netherlands that connects the city of Utrecht with Boxtel and forms part of an important north–south corridor in the national rail network.
  • D. railway line The Hague–Leiden
    The railway line The Hague–Leiden is a key rail route in the Netherlands connecting the cities of The Hague and Leiden as part of the country’s dense intercity and regional train network.
  • E. Utrecht–’s‑Hertogenbosch railway
    The Utrecht–’s‑Hertogenbosch railway is a major Dutch mainline rail route connecting the central hub of Utrecht with the city of ’s‑Hertogenbosch, forming part of the core north–south rail 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_69aed9585e788190bec2d39deba3750f completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69aefa5de98c8190a95b21a75fffdef3 completed March 9, 2026, 4:50 p.m.
NED1 Entity disambiguation (via context triple) batch_69b54c61bad48190a5115dbd4a3457d6 completed March 14, 2026, 11:54 a.m.
NEDg Description generation batch_69b54cf3da208190aa844c9ea66354fe completed March 14, 2026, 11:56 a.m.
NED2 Entity disambiguation (via description) batch_69b55159dc288190a63d5f5164b73bbb completed March 14, 2026, 12:15 p.m.
Created at: March 9, 2026, 3:34 p.m.