Triple

T10602744
Position Surface form Disambiguated ID Type / Status
Subject M4 motorway E275789 entity
Predicate hasTollSection P3376 FINISHED
Object Second Severn Crossing (historically tolled, tolls removed) E531420 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: Second Severn Crossing (historically tolled, tolls removed) | Statement: [M4 motorway, hasTollSection, Second Severn Crossing (historically tolled, tolls removed)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Second Severn Crossing (historically tolled, tolls removed)
Context triple: [M4 motorway, hasTollSection, Second Severn Crossing (historically tolled, tolls removed)]
  • A. Second Severn Crossing chosen
    The Second Severn Crossing is a major cable-stayed motorway bridge linking England and Wales across the lower Severn Estuary, built to increase capacity and provide a more reliable alternative to the original Severn Bridge.
  • B. Severn crossings
    The Severn crossings are major road and rail bridges spanning the River Severn between England and Wales, serving as key transport links in the region.
  • C. Severn Bridge
    Severn Bridge is a major suspension bridge in the United Kingdom that spans the River Severn and connects England with South Wales.
  • D. Itchen Bridge toll bridge
    The Itchen Bridge toll bridge is a major road bridge in Southampton, England, carrying traffic across the River Itchen between Woolston and the city centre.
  • E. Swinford Toll Bridge
    Swinford Toll Bridge is a historic privately owned toll bridge over the River Thames in Oxfordshire, England, notable for still charging motorists a small fee to cross.
  • 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_69d6aaf948d88190806cc3a8c47a3fb2 completed April 8, 2026, 7:22 p.m.
NER Named-entity recognition batch_69d6ded61d5c8190b13890c964b59949 completed April 8, 2026, 11:03 p.m.
NED1 Entity disambiguation (via context triple) batch_69d96b698f308190be8ee1e6bc8481d3 completed April 10, 2026, 9:28 p.m.
Created at: April 8, 2026, 7:31 p.m.