Triple

T19221663
Position Surface form Disambiguated ID Type / Status
Subject Ystrad E480628 entity
Predicate hasRailwayStation P918 FINISHED
Object Ystrad Rhondda railway station — NE NERFINISHED

How this triple was built (3 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: Ystrad Rhondda railway station | Statement: [Ystrad, hasRailwayStation, Ystrad Rhondda railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Ystrad Rhondda railway station
Context triple: [Ystrad, hasRailwayStation, Ystrad Rhondda railway station]
  • A. Rhymney railway station
    Rhymney railway station is a passenger rail station in Rhymney, Wales, forming the northern terminus of a commuter route into Cardiff.
  • B. Ystrad Mynach railway station
    Ystrad Mynach railway station is a commuter rail stop in Caerphilly County Borough, Wales, providing local and regional services on the Valley Lines network.
  • C. Merthyr Tydfil railway station
    Merthyr Tydfil railway station is the main train station serving the town of Merthyr Tydfil in Wales, providing regional rail connections to surrounding areas.
  • D. 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.
  • E. Radyr railway station
    Radyr railway station is a suburban rail station in Radyr, Cardiff, Wales, serving as a key commuter hub on the local rail network.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Ystrad Rhondda railway station
Target entity description: Ystrad Rhondda railway station is a local passenger rail stop serving the community of Ystrad in the Rhondda Valley of Wales.
  • A. Rhymney railway station
    Rhymney railway station is a passenger rail station in Rhymney, Wales, forming the northern terminus of a commuter route into Cardiff.
  • B. Ystrad Mynach railway station
    Ystrad Mynach railway station is a commuter rail stop in Caerphilly County Borough, Wales, providing local and regional services on the Valley Lines network.
  • C. Merthyr Tydfil railway station
    Merthyr Tydfil railway station is the main train station serving the town of Merthyr Tydfil in Wales, providing regional rail connections to surrounding areas.
  • D. 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.
  • E. Radyr railway station
    Radyr railway station is a suburban rail station in Radyr, Cardiff, Wales, serving as a key commuter hub on the local rail network.
  • F. None of above. chosen

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_69d8e8cb8c348190b52075823911c869 completed April 10, 2026, 12:10 p.m.
NER Named-entity recognition batch_69e5fa3fa9348190920f9d41b8beb900 completed April 20, 2026, 10:04 a.m.
Created at: April 10, 2026, 1:24 p.m.