Triple

T19088646
Position Surface form Disambiguated ID Type / Status
Subject Monsal Dale E467222 entity
Predicate crossedBy P416 FINISHED
Object Headstone Viaduct
Headstone Viaduct is a historic 19th-century railway viaduct in England’s Peak District, now a prominent landmark and walking route in the scenic Monsal Dale.
 E1357231 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: Headstone Viaduct | Statement: [Monsal Dale, crossedBy, Headstone Viaduct]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Headstone Viaduct
Context triple: [Monsal Dale, crossedBy, Headstone Viaduct]
  • A. Stacksteads Viaduct
    Stacksteads Viaduct is a historic multi-arch railway viaduct in Stacksteads, Lancashire, England, notable for carrying the former railway line across the River Irwell and the surrounding valley.
  • B. Chirk Viaduct
    Chirk Viaduct is a historic multi-arched railway viaduct in Wales that carries trains across the River Ceiriog near the England–Wales border.
  • C. Broadbottom Viaduct
    Broadbottom Viaduct is a historic railway viaduct in Greater Manchester, England, notable for carrying the Manchester–Glossop line across the River Etherow.
  • D. Lechmere Viaduct
    Lechmere Viaduct is a historic concrete arch bridge in Boston that carries MBTA Green Line trains across the Charles River between Boston and Cambridge.
  • E. Boyne Viaduct
    Boyne Viaduct is a historic 19th-century railway bridge in Drogheda, Ireland, renowned for its impressive multi-arch design and key role on the Dublin–Belfast rail line.
  • 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: Headstone Viaduct
Triple: [Monsal Dale, crossedBy, Headstone Viaduct]
Generated description
Headstone Viaduct is a historic 19th-century railway viaduct in England’s Peak District, now a prominent landmark and walking route in the scenic Monsal Dale.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Headstone Viaduct
Target entity description: Headstone Viaduct is a historic 19th-century railway viaduct in England’s Peak District, now a prominent landmark and walking route in the scenic Monsal Dale.
  • A. Stacksteads Viaduct
    Stacksteads Viaduct is a historic multi-arch railway viaduct in Stacksteads, Lancashire, England, notable for carrying the former railway line across the River Irwell and the surrounding valley.
  • B. Chirk Viaduct
    Chirk Viaduct is a historic multi-arched railway viaduct in Wales that carries trains across the River Ceiriog near the England–Wales border.
  • C. Broadbottom Viaduct
    Broadbottom Viaduct is a historic railway viaduct in Greater Manchester, England, notable for carrying the Manchester–Glossop line across the River Etherow.
  • D. Lechmere Viaduct
    Lechmere Viaduct is a historic concrete arch bridge in Boston that carries MBTA Green Line trains across the Charles River between Boston and Cambridge.
  • E. Boyne Viaduct
    Boyne Viaduct is a historic 19th-century railway bridge in Drogheda, Ireland, renowned for its impressive multi-arch design and key role on the Dublin–Belfast rail line.
  • 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_69d8dd05ac4c8190b1967d8f97f3fb2f completed April 10, 2026, 11:20 a.m.
NER Named-entity recognition batch_69e5e34981648190a89b006831846940 completed April 20, 2026, 8:26 a.m.
NED1 Entity disambiguation (via context triple) batch_6a05d368740c81909ec738532cd670bf completed May 14, 2026, 1:51 p.m.
NEDg Description generation batch_6a05d4ff70d0819089a00de0404768a4 completed May 14, 2026, 1:58 p.m.
NED2 Entity disambiguation (via description) batch_6a05d58227188190928741f15b685cb0 completed May 14, 2026, 2 p.m.
Created at: April 10, 2026, 12:04 p.m.