Triple

T20363261
Position Surface form Disambiguated ID Type / Status
Subject Briton Ferry railway station E496836 entity
Predicate servesRailCorridor P105113 FINISHED
Object Swansea–Cardiff line NE NERFINISHED

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: Swansea–Cardiff line | Statement: [Briton Ferry railway station, servesRailCorridor, Swansea–Cardiff line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Swansea–Cardiff line
Context triple: [Briton Ferry railway station, servesRailCorridor, Swansea–Cardiff line]
  • A. Swansea–Cardiff line chosen
    The Swansea–Cardiff line is a key railway route in South Wales that connects the cities of Swansea and Cardiff and serves numerous intermediate towns and communities.
  • B. Bristol to Cardiff Line
    The Bristol to Cardiff Line is a key cross-border railway route in the United Kingdom linking the cities of Bristol in England and Cardiff in Wales, serving both commuter and intercity traffic.
  • C. Cardiff to Portsmouth Line
    The Cardiff to Portsmouth Line is a major cross-country railway route in the United Kingdom linking South Wales with the south coast of England via cities such as Bristol and Southampton.
  • D. Vale of Glamorgan Line
    The Vale of Glamorgan Line is a railway route in South Wales that connects Cardiff with coastal towns such as Barry and Bridgend, serving both commuter and regional passenger traffic.
  • E. Swansea Bay railway line
    The Swansea Bay railway line is a coastal rail route in South Wales that connects communities around Swansea Bay and links them to the wider national rail network.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69e0b4a4f9b081908a5a021919c21ccb completed April 16, 2026, 10:06 a.m.
NER Named-entity recognition batch_69e6786fd0088190908187ab642344cc completed April 20, 2026, 7:03 p.m.
Created at: April 16, 2026, 11:26 a.m.