Triple

T9664931
Position Surface form Disambiguated ID Type / Status
Subject National Rail Wales area E233678 entity
Predicate includes P1393 FINISHED
Object Holyhead railway station E334477 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: Holyhead railway station | Statement: [National Rail Wales area, includes, Holyhead railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Holyhead railway station
Context triple: [National Rail Wales area, includes, Holyhead railway station]
  • A. Holyhead railway station chosen
    Holyhead railway station is a major transport hub on the island of Anglesey in Wales, serving as the primary rail link for ferry passengers traveling between Great Britain and Ireland.
  • B. Porthmadog Harbour Station
    Porthmadog Harbour Station is a historic narrow-gauge railway terminus in Porthmadog, Wales, serving as a key hub for heritage steam services on the Ffestiniog Railway.
  • C. Milford Haven railway station
    Milford Haven railway station is the western terminus of the West Wales Line in Pembrokeshire, Wales, serving the town of Milford Haven with regional rail services.
  • D. Dawlish railway station
    Dawlish railway station is a coastal railway stop in Devon, England, known for its scenic seafront location along the main line between Exeter and Plymouth.
  • E. Tenby railway station
    Tenby railway station is a coastal train station in Pembrokeshire, Wales, serving the seaside town of Tenby on the West Wales Line.
  • 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_69ca848d3b6c8190ae98ea554dea58df completed March 30, 2026, 2:11 p.m.
NER Named-entity recognition batch_69cd9c0e1ef481909c50a4ba5fd94583 completed April 1, 2026, 10:28 p.m.
NED1 Entity disambiguation (via context triple) batch_69d18a17eea08190825404b01b0e8d96 completed April 4, 2026, 10 p.m.
Created at: March 30, 2026, 8:14 p.m.