Triple

T413804
Position Surface form Disambiguated ID Type / Status
Subject Manchester to Leeds line E9546 entity
Predicate hasStructure P35 FINISHED
Object Standedge tunnels
The Standedge Tunnels are a historic series of canal and railway tunnels piercing the Pennines in northern England, known as some of the longest and highest transport tunnels in the UK.
E53265 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: Standedge tunnels | Statement: [Manchester to Leeds line, hasStructure, Standedge tunnels]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Standedge tunnels
Context triple: [Manchester to Leeds line, hasStructure, Standedge tunnels]
  • A. Thelwall Viaduct
    Thelwall Viaduct is a major motorway bridge in north-west England that carries the M6 over the River Mersey and surrounding waterways near Warrington.
  • B. Barton Swing Aqueduct
    Barton Swing Aqueduct is a pioneering movable navigable aqueduct in Greater Manchester, England, that carries the Bridgewater Canal over the Manchester Ship Canal by swinging aside to allow large ships to pass.
  • C. Severn Tunnel
    Severn Tunnel is a major railway tunnel in the United Kingdom that runs beneath the River Severn, linking South West England with South Wales.
  • D. Swilcan Bridge
    Swilcan Bridge is a small, historic stone footbridge on the 18th hole of the Old Course at St Andrews, iconic in golf for the traditional photographs of players crossing it.
  • E. Runcorn Railway Bridge
    Runcorn Railway Bridge is a historic steel truss railway bridge in northwest England that carries trains across the River Mersey between Runcorn and Widnes.
  • 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: Standedge tunnels
Triple: [Manchester to Leeds line, hasStructure, Standedge tunnels]
Generated description
The Standedge Tunnels are a historic series of canal and railway tunnels piercing the Pennines in northern England, known as some of the longest and highest transport tunnels in the UK.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Standedge tunnels
Target entity description: The Standedge Tunnels are a historic series of canal and railway tunnels piercing the Pennines in northern England, known as some of the longest and highest transport tunnels in the UK.
  • A. Thelwall Viaduct
    Thelwall Viaduct is a major motorway bridge in north-west England that carries the M6 over the River Mersey and surrounding waterways near Warrington.
  • B. Barton Swing Aqueduct
    Barton Swing Aqueduct is a pioneering movable navigable aqueduct in Greater Manchester, England, that carries the Bridgewater Canal over the Manchester Ship Canal by swinging aside to allow large ships to pass.
  • C. Severn Tunnel
    Severn Tunnel is a major railway tunnel in the United Kingdom that runs beneath the River Severn, linking South West England with South Wales.
  • D. Swilcan Bridge
    Swilcan Bridge is a small, historic stone footbridge on the 18th hole of the Old Course at St Andrews, iconic in golf for the traditional photographs of players crossing it.
  • E. Runcorn Railway Bridge
    Runcorn Railway Bridge is a historic steel truss railway bridge in northwest England that carries trains across the River Mersey between Runcorn and Widnes.
  • F. None of above. chosen

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_69a2e80111fc8190961d5b7c6154123f completed Feb. 28, 2026, 1:05 p.m.
NER Named-entity recognition batch_69a2ecdd3d1c8190a31b071569cfc980 completed Feb. 28, 2026, 1:25 p.m.
NED1 Entity disambiguation (via context triple) batch_69a42541cbe88190a35797797c17f3a1 completed March 1, 2026, 11:38 a.m.
NEDg Description generation batch_69a425ea176c8190a4f8197d779cbc94 completed March 1, 2026, 11:41 a.m.
NED2 Entity disambiguation (via description) batch_69a42636b9cc8190a7bf2b16ef3f2a33 completed March 1, 2026, 11:42 a.m.
Created at: Feb. 28, 2026, 1:09 p.m.