Triple

T2168261
Position Surface form Disambiguated ID Type / Status
Subject Severn Tunnel E46960 entity
Predicate partOf P40 FINISHED
Object Great Western Main Line route between London and South Wales E16146 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: Great Western Main Line route between London and South Wales | Statement: [Severn Tunnel, partOf, Great Western Main Line route between London and South Wales]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Great Western Main Line route between London and South Wales
Context triple: [Severn Tunnel, partOf, Great Western Main Line route between London and South Wales]
  • A. South Wales Main Line chosen
    The South Wales Main Line is a major railway route in Wales that connects London and the west of England with key South Wales cities such as Cardiff and Swansea.
  • B. Welsh Marches Line
    The Welsh Marches Line is a major railway route in the United Kingdom running through the border counties between England and Wales, linking cities such as Shrewsbury, Hereford, and Newport.
  • C. Cardiff to Portsmouth Line
    The Cardiff to Portsmouth Line is a major cross-country railway route in the United Kingdom linking South Wales with the south coast of England via cities such as Bristol and Southampton.
  • D. Shrewsbury–Aberystwyth line
    The Shrewsbury–Aberystwyth line is a rural railway route in Wales that connects the English border town of Shrewsbury with the coastal town of Aberystwyth, forming the eastern section of the Cambrian Line.
  • E. Wessex Main Line
    The Wessex Main Line is a key railway route in southern England linking Bristol and Bath with Salisbury and Southampton, serving as an important regional passenger corridor.
  • 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_69a88a184cbc8190877791f6552c2484 completed March 4, 2026, 7:38 p.m.
NER Named-entity recognition batch_69abbeadaed481908d6afa942d7155b8 completed March 7, 2026, 5:59 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae58f26334819095202544d37e6850 completed March 9, 2026, 5:21 a.m.
Created at: March 4, 2026, 7:45 p.m.