Triple

T2515802
Position Surface form Disambiguated ID Type / Status
Subject M4 motorway E55408 entity
Predicate isPartOfCorridor P35 FINISHED
Object London–South Wales transport corridor
The London–South Wales transport corridor is a major strategic route in the United Kingdom linking London with South Wales via road and rail, supporting significant passenger and freight movement across southern England and the Severn.
E16146 NE FINISHED

How this triple was built (4 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: London–South Wales transport corridor | Statement: [M4 motorway, isPartOfCorridor, London–South Wales transport corridor]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: London–South Wales transport corridor
Context triple: [M4 motorway, isPartOfCorridor, London–South Wales transport corridor]
  • A. London–Birmingham transport corridor
    The London–Birmingham transport corridor is a major strategic route in England that links the capital with Birmingham through a combination of key motorways, rail lines, and other transport infrastructure.
  • B. South Wales Main Line
    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.
  • C. Glasgow–Edinburgh transport corridor
    The Glasgow–Edinburgh transport corridor is a major central Scotland route linking the country’s two largest cities via road and rail, serving as a key axis for commuter and intercity travel.
  • D. Cardiff City Line
    Cardiff City Line is a suburban railway line in Cardiff, Wales, providing local passenger services between the city centre and its western districts.
  • E. Manchester Airport–Cornbrook corridor
    The Manchester Airport–Cornbrook corridor is a Metrolink tram route in Greater Manchester that links Manchester Airport with the Cornbrook interchange, serving multiple stops along the way.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: London–South Wales transport corridor
Triple: [M4 motorway, isPartOfCorridor, London–South Wales transport corridor]
Generated description
The London–South Wales transport corridor is a major strategic route in the United Kingdom linking London with South Wales via road and rail, supporting significant passenger and freight movement across southern England and the Severn.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: London–South Wales transport corridor
Target entity description: The London–South Wales transport corridor is a major strategic route in the United Kingdom linking London with South Wales via road and rail, supporting significant passenger and freight movement across southern England and the Severn.
  • A. London–Birmingham transport corridor
    The London–Birmingham transport corridor is a major strategic route in England that links the capital with Birmingham through a combination of key motorways, rail lines, and other transport infrastructure.
  • B. 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.
  • C. Glasgow–Edinburgh transport corridor
    The Glasgow–Edinburgh transport corridor is a major central Scotland route linking the country’s two largest cities via road and rail, serving as a key axis for commuter and intercity travel.
  • D. Cardiff City Line
    Cardiff City Line is a suburban railway line in Cardiff, Wales, providing local passenger services between the city centre and its western districts.
  • E. Manchester Airport–Cornbrook corridor
    The Manchester Airport–Cornbrook corridor is a Metrolink tram route in Greater Manchester that links Manchester Airport with the Cornbrook interchange, serving multiple stops along the way.
  • F. None of above.

Provenance (5 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_69ab49e4749c8190813311efd1630f1b completed March 6, 2026, 9:40 p.m.
NER Named-entity recognition batch_69abd20db7e0819096d901eb20ae65e5 completed March 7, 2026, 7:21 a.m.
NED1 Entity disambiguation (via context triple) batch_69af2b9aa5cc81908c2e09ce18f2e98e completed March 9, 2026, 8:20 p.m.
NEDg Description generation batch_69af508c28f48190afc4aa1bc3c9adf3 completed March 9, 2026, 10:58 p.m.
NED2 Entity disambiguation (via description) batch_69af5155f85081908dd4a1859d0f7907 completed March 9, 2026, 11:01 p.m.
Created at: March 6, 2026, 9:46 p.m.