Triple

T3861466
Position Surface form Disambiguated ID Type / Status
Subject Merthyr Tydfil railway station E90146 entity
Predicate hasServiceTo P6787 FINISHED
Object Cardiff Central railway station E58613 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: Cardiff Central railway station | Statement: [Merthyr Tydfil railway station, hasServiceTo, Cardiff Central railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Cardiff Central railway station
Context triple: [Merthyr Tydfil railway station, hasServiceTo, Cardiff Central railway station]
  • A. Cardiff Central railway station chosen
    Cardiff Central railway station is the main railway hub in Cardiff, Wales, serving as a major interchange on the South Wales Main Line with extensive regional and long-distance services.
  • B. Cardiff railway station
    Cardiff railway station is a suburban train station serving the Cardiff area near Newcastle in New South Wales, Australia.
  • C. Cardiff Queen Street railway station
    Cardiff Queen Street railway station is a major central Cardiff rail hub serving as a key interchange for suburban and regional services across South Wales.
  • D. Cardiff Bay railway station
    Cardiff Bay railway station is a suburban railway terminus in Cardiff, Wales, serving the Cardiff Bay area with local train services.
  • E. Bridgend railway station
    Bridgend railway station is the main railway hub serving the town of Bridgend in South Wales, providing regional and intercity rail connections.
  • 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_69aed95b3c088190a8f85d19e6070599 completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69aeec22a5dc8190be8298d1ce8ca449 completed March 9, 2026, 3:49 p.m.
NED1 Entity disambiguation (via context triple) batch_69b5123802248190b03a887d3a4e762f completed March 14, 2026, 7:46 a.m.
Created at: March 9, 2026, 3:19 p.m.