Triple

T4742850
Position Surface form Disambiguated ID Type / Status
Subject Pontypridd railway station E105286 entity
Predicate connectsTo P845 FINISHED
Object Merthyr Tydfil railway station E90146 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: Merthyr Tydfil railway station | Statement: [Pontypridd railway station, connectsTo, Merthyr Tydfil railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Merthyr Tydfil railway station
Context triple: [Pontypridd railway station, connectsTo, Merthyr Tydfil railway station]
  • A. Merthyr Tydfil railway station chosen
    Merthyr Tydfil railway station is the main train station serving the town of Merthyr Tydfil in Wales, providing regional rail connections to surrounding areas.
  • B. 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.
  • C. Neath railway station
    Neath railway station is a key passenger rail hub in Neath, Wales, providing regional and intercity services on the South Wales rail network.
  • D. Trawsfynydd railway station
    Trawsfynydd railway station is a disused former railway station in Gwynedd, Wales, that once served the village of Trawsfynydd and its surrounding rural area.
  • E. Machynlleth railway station
    Machynlleth railway station is a rural rail stop in Powys, Wales, serving the town of Machynlleth on the Cambrian Line and acting as an important local transport hub.
  • 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_69bd43ef87a48190a5bc3600711aa032 completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd64a85e9c81908e9c7bbbb998953e completed March 20, 2026, 3:15 p.m.
NED1 Entity disambiguation (via context triple) batch_69be4d851fcc8190bb7ae007f8a5ce1d completed March 21, 2026, 7:49 a.m.
Created at: March 20, 2026, 1:19 p.m.