Triple

T14582368
Position Surface form Disambiguated ID Type / Status
Subject Colwyn Bay railway station E342223 entity
Predicate locatedOnRoute P6309 FINISHED
Object Chester–Holyhead main line E66381 NE FINISHED

How this triple was built (2 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: Chester–Holyhead main line | Statement: [Colwyn Bay railway station, locatedOnRoute, Chester–Holyhead main line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Chester–Holyhead main line
Context triple: [Colwyn Bay railway station, locatedOnRoute, Chester–Holyhead main line]
  • A. North Wales Coast Line chosen
    The North Wales Coast Line is a major railway route in Wales that runs along the north coast, connecting key towns and cities such as Chester, Llandudno Junction, Bangor, and Holyhead.
  • B. Cynwyd Line
    The Cynwyd Line is a short commuter rail service in the Philadelphia area operated by SEPTA, running between Center City and the Cynwyd neighborhood in Lower Merion Township.
  • C. Shrewsbury–Aberystwyth line
    The Shrewsbury–Aberystwyth line is a rural railway route in Wales that connects the English border town of Shrewsbury with the coastal town of Aberystwyth, forming the eastern section of the Cambrian Line.
  • D. Chester and Holyhead Railway
    The Chester and Holyhead Railway was a 19th-century railway company that built and operated the main line along the North Wales coast between Chester and Holyhead, forming a key route to Ireland.
  • E. South Wales Main Line
    The South Wales Main Line is a major railway route in Wales that connects London and the west of England with key South Wales cities such as Cardiff and Swansea.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69d822ddc0f081909cd8163c7de298cd completed April 9, 2026, 10:06 p.m.
NER Named-entity recognition batch_69deb41e71748190a1deacc819dd26d3 completed April 14, 2026, 9:39 p.m.
NED1 Entity disambiguation (via context triple) batch_69fde16830c0819090a97b073c8e642d completed May 8, 2026, 1:13 p.m.
Created at: April 10, 2026, 1:24 a.m.