Triple

T13851757
Position Surface form Disambiguated ID Type / Status
Subject Penyffordd railway station E332959 entity
Predicate hasServiceTo P6787 FINISHED
Object Wrexham Central railway station E330072 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: Wrexham Central railway station | Statement: [Penyffordd railway station, hasServiceTo, Wrexham Central railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Wrexham Central railway station
Context triple: [Penyffordd railway station, hasServiceTo, Wrexham Central railway station]
  • A. Wrexham Central railway station chosen
    Wrexham Central railway station is a small railway terminus in Wrexham, Wales, serving the town centre with local services on the Borderlands Line.
  • B. Wrexham General railway station
    Wrexham General railway station is the main railway station in Wrexham, Wales, providing regional and intercity services on key routes in North Wales and the borderlands.
  • C. North Wales station
    North Wales station is a commuter rail stop in North Wales, Pennsylvania, served by SEPTA Regional Rail.
  • D. Cwmbran railway station
    Cwmbran railway station is a local rail stop in Cwmbran, Wales, providing regional passenger services and connections to the wider rail network.
  • E. Pontypridd railway station
    Pontypridd railway station is a key commuter and interchange station in Pontypridd, Wales, serving as an important hub on the Valley Lines network north of Cardiff.
  • 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_69d81c5ba13c8190839315f54768acfd completed April 9, 2026, 9:38 p.m.
NER Named-entity recognition batch_69de02da9460819093a3ec5a3c62ea81 completed April 14, 2026, 9:03 a.m.
NED1 Entity disambiguation (via context triple) batch_69fba1bbee14819082e1a381a5950e07 completed May 6, 2026, 8:17 p.m.
Created at: April 9, 2026, 10:14 p.m.