Triple

T22239178
Position Surface form Disambiguated ID Type / Status
Subject Birmingham New Street – Cardiff Central E549674 entity
Predicate usesStation P726 FINISHED
Object Severn Tunnel Junction — 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: Severn Tunnel Junction | Statement: [Birmingham New Street – Cardiff Central, usesStation, Severn Tunnel Junction]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Severn Tunnel Junction
Context triple: [Birmingham New Street – Cardiff Central, usesStation, Severn Tunnel Junction]
  • A. Bristol Parkway–Severn Tunnel Junction
    Bristol Parkway–Severn Tunnel Junction is a railway line segment in southwest Britain forming part of the main route between Bristol and South Wales via the Severn Tunnel.
  • B. Shudehill Interchange
    Shudehill Interchange is a major public transport hub in Manchester, England, integrating bus and tram services near the city centre.
  • C. North Downs Tunnel
    North Downs Tunnel is a major railway tunnel in southeast England that carries High Speed 1 beneath the North Downs hills.
  • D. Trent Lock junction
    Trent Lock junction is a key canal junction in Derbyshire, England, where the Erewash Canal meets the River Trent and other waterways, forming an important hub in the inland waterway network.
  • E. Banbury Cross junction
    Banbury Cross junction is a well-known road intersection in Banbury, Oxfordshire, famed for its historic cross and association with the “Ride a cock horse to Banbury Cross” nursery rhyme.
  • 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: Severn Tunnel Junction
Target entity description: Severn Tunnel Junction is a railway station in Monmouthshire, Wales, serving as a key stop on the main line between South Wales and the English Midlands.
  • A. Bristol Parkway–Severn Tunnel Junction
    Bristol Parkway–Severn Tunnel Junction is a railway line segment in southwest Britain forming part of the main route between Bristol and South Wales via the Severn Tunnel.
  • B. Shudehill Interchange
    Shudehill Interchange is a major public transport hub in Manchester, England, integrating bus and tram services near the city centre.
  • C. North Downs Tunnel
    North Downs Tunnel is a major railway tunnel in southeast England that carries High Speed 1 beneath the North Downs hills.
  • D. Trent Lock junction
    Trent Lock junction is a key canal junction in Derbyshire, England, where the Erewash Canal meets the River Trent and other waterways, forming an important hub in the inland waterway network.
  • E. Banbury Cross junction
    Banbury Cross junction is a well-known road intersection in Banbury, Oxfordshire, famed for its historic cross and association with the “Ride a cock horse to Banbury Cross” nursery rhyme.
  • 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_69e11e4102b881909cf47d3768e25c19 completed April 16, 2026, 5:37 p.m.
NER Named-entity recognition batch_69f132123a048190ba5a90d7acb9aeb2 completed April 28, 2026, 10:17 p.m.
Created at: April 16, 2026, 8:38 p.m.