Triple

T3172335
Position Surface form Disambiguated ID Type / Status
Subject North Wales Coast Line E66381 entity
Predicate hasStation P35 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: [North Wales Coast Line, hasStation, Holyhead railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Holyhead railway station
Context triple: [North Wales Coast Line, hasStation, 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. Dalgety Bay railway station
    Dalgety Bay railway station is a suburban rail stop in Fife, Scotland, serving the town of Dalgety Bay with regular commuter services to Edinburgh and other nearby destinations.
  • D. Newport railway station
    Newport railway station is a key rail hub in South Wales, serving as an important interchange for regional and long-distance services across the UK rail network.
  • E. Barmouth railway station
    Barmouth railway station is a coastal train station in Gwynedd, Wales, providing passenger rail services to the seaside town of Barmouth on the Cambrian Coast 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_69ad8585d7988190af37365331093ccd completed March 8, 2026, 2:19 p.m.
NER Named-entity recognition batch_69ada66da23c81908f063b44b48b1e53 completed March 8, 2026, 4:40 p.m.
NED1 Entity disambiguation (via context triple) batch_69b24b66b3e081908e8ea11d9b36e50a completed March 12, 2026, 5:13 a.m.
Created at: March 8, 2026, 3:06 p.m.