Triple

T1827203
Position Surface form Disambiguated ID Type / Status
Subject East Coast Main Line E40678 entity
Predicate notableStructure P1544 FINISHED
Object Digswell Viaduct
Digswell Viaduct is a prominent 19th-century railway viaduct in Hertfordshire, England, known for its long brick arches carrying trains high above the River Mimram and surrounding countryside.
E252432 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: Digswell Viaduct | Statement: [East Coast Main Line, notableStructure, Digswell Viaduct]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Digswell Viaduct
Context triple: [East Coast Main Line, notableStructure, Digswell Viaduct]
  • 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. Ribblehead Viaduct
    Ribblehead Viaduct is a 19th-century stone railway viaduct in North Yorkshire, England, famed for its dramatic setting on the Settle–Carlisle line and its series of imposing arches across the Ribble Valley.
  • C. Trowse Swing Bridge
    Trowse Swing Bridge is a movable railway bridge near Norwich in Norfolk, England, that carries trains over the River Yare and swings open to allow river traffic to pass.
  • D. Bakewell Bridge
    Bakewell Bridge is a historic stone bridge spanning the River Wye in the market town of Bakewell in Derbyshire, England.
  • E. Leatherhead Bridge
    Leatherhead Bridge is a historic road bridge spanning the River Mole in Leatherhead, Surrey, England.
  • 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: Digswell Viaduct
Triple: [East Coast Main Line, notableStructure, Digswell Viaduct]
Generated description
Digswell Viaduct is a prominent 19th-century railway viaduct in Hertfordshire, England, known for its long brick arches carrying trains high above the River Mimram and surrounding countryside.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Digswell Viaduct
Target entity description: Digswell Viaduct is a prominent 19th-century railway viaduct in Hertfordshire, England, known for its long brick arches carrying trains high above the River Mimram and surrounding countryside.
  • 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. Ribblehead Viaduct
    Ribblehead Viaduct is a 19th-century stone railway viaduct in North Yorkshire, England, famed for its dramatic setting on the Settle–Carlisle line and its series of imposing arches across the Ribble Valley.
  • C. Trowse Swing Bridge
    Trowse Swing Bridge is a movable railway bridge near Norwich in Norfolk, England, that carries trains over the River Yare and swings open to allow river traffic to pass.
  • D. Bakewell Bridge
    Bakewell Bridge is a historic stone bridge spanning the River Wye in the market town of Bakewell in Derbyshire, England.
  • E. Leatherhead Bridge
    Leatherhead Bridge is a historic road bridge spanning the River Mole in Leatherhead, Surrey, England.
  • 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_69a8864644bc8190b2358ab897194ac1 completed March 4, 2026, 7:21 p.m.
NER Named-entity recognition batch_69abb01022108190b1da05a31454ab8d completed March 7, 2026, 4:56 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae7edf084881908bb8db8e0348bfc8 completed March 9, 2026, 8:03 a.m.
NEDg Description generation batch_69ae7faa64e48190b82e48165a931598 completed March 9, 2026, 8:07 a.m.
NED2 Entity disambiguation (via description) batch_69ae801a87a88190ae461ca164b358a4 completed March 9, 2026, 8:08 a.m.
Created at: March 4, 2026, 7:32 p.m.