Triple

T20411838
Position Surface form Disambiguated ID Type / Status
Subject Nailsea and Backwell railway station E500603 entity
Predicate hasPassengerServicesTo P25562 FINISHED
Object Cardiff Central (via Bristol) — 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: Cardiff Central (via Bristol) | Statement: [Nailsea and Backwell railway station, hasPassengerServicesTo, Cardiff Central (via Bristol)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Cardiff Central (via Bristol)
Context triple: [Nailsea and Backwell railway station, hasPassengerServicesTo, Cardiff Central (via Bristol)]
  • A. Bristol Parkway–Cardiff Central
    Bristol Parkway–Cardiff Central is a key railway corridor in southwest Britain linking Bristol Parkway station with Cardiff Central on the route between England and South Wales.
  • B. Bristol Temple Meads – Cardiff Central route chosen
    The Bristol Temple Meads – Cardiff Central route is a key regional rail corridor linking Bristol and South Wales, serving commuters and intercity passengers across the Severn.
  • C. London–Cardiff
    London–Cardiff is a major intercity travel corridor in the United Kingdom linking the capital city of London with the Welsh capital, Cardiff.
  • D. Cardiff – Portsmouth
    Cardiff – Portsmouth is a regional rail route in the United Kingdom linking the Welsh capital Cardiff with the south coast city of Portsmouth via southern England.
  • E. South Wales–Manchester route
    The South Wales–Manchester route is a key cross-country railway corridor in the UK linking South Wales with the Greater Manchester area via intermediate hubs such as Wilmslow.
  • 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_69e0b4a935588190b9446a99b37ced44 completed April 16, 2026, 10:06 a.m.
NER Named-entity recognition batch_69e67a3f8fdc8190b05b6c41b38f34b7 completed April 20, 2026, 7:10 p.m.
Created at: April 16, 2026, 11:30 a.m.