Triple

T19208212
Position Surface form Disambiguated ID Type / Status
Subject Merthyr Tydfil E480290 entity
Predicate hasLandmark P105 FINISHED
Object Dowlais Ironworks
Dowlais Ironworks was a major 19th-century ironworks in Merthyr Tydfil, Wales, that became one of the world’s largest iron-producing sites during the Industrial Revolution.
E1364853 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: Dowlais Ironworks | Statement: [Merthyr Tydfil, hasLandmark, Dowlais Ironworks]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Dowlais Ironworks
Context triple: [Merthyr Tydfil, hasLandmark, Dowlais Ironworks]
  • A. Blaenavon Ironworks
    Blaenavon Ironworks is a historically significant 18th–19th century ironworks in Wales that played a key role in the Industrial Revolution and forms part of a UNESCO World Heritage Site.
  • B. Millom Ironworks
    Millom Ironworks was a major 19th–20th century iron and steel production complex in Millom, Cumbria, that drove the town’s industrial growth and local economy.
  • C. Bersham Ironworks
    Bersham Ironworks was a pioneering 18th-century ironworks in Wales, renowned for its role in the early Industrial Revolution and its association with ironmaster John Wilkinson.
  • D. Ebbw Vale Steelworks site
    The Ebbw Vale Steelworks site is a former major steel production complex in South Wales that played a central role in the region’s industrial history and has since been redeveloped for mixed community and heritage uses.
  • E. Llanwern Steelworks
    Llanwern Steelworks is a major integrated steel production plant located near Newport in South Wales, historically one of the UK’s key steelmaking sites.
  • 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: Dowlais Ironworks
Triple: [Merthyr Tydfil, hasLandmark, Dowlais Ironworks]
Generated description
Dowlais Ironworks was a major 19th-century ironworks in Merthyr Tydfil, Wales, that became one of the world’s largest iron-producing sites during the Industrial Revolution.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Dowlais Ironworks
Target entity description: Dowlais Ironworks was a major 19th-century ironworks in Merthyr Tydfil, Wales, that became one of the world’s largest iron-producing sites during the Industrial Revolution.
  • A. Blaenavon Ironworks
    Blaenavon Ironworks is a historically significant 18th–19th century ironworks in Wales that played a key role in the Industrial Revolution and forms part of a UNESCO World Heritage Site.
  • B. Millom Ironworks
    Millom Ironworks was a major 19th–20th century iron and steel production complex in Millom, Cumbria, that drove the town’s industrial growth and local economy.
  • C. Bersham Ironworks
    Bersham Ironworks was a pioneering 18th-century ironworks in Wales, renowned for its role in the early Industrial Revolution and its association with ironmaster John Wilkinson.
  • D. Ebbw Vale Steelworks site
    The Ebbw Vale Steelworks site is a former major steel production complex in South Wales that played a central role in the region’s industrial history and has since been redeveloped for mixed community and heritage uses.
  • E. Llanwern Steelworks
    Llanwern Steelworks is a major integrated steel production plant located near Newport in South Wales, historically one of the UK’s key steelmaking sites.
  • 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_69d8e8cb8c348190b52075823911c869 completed April 10, 2026, 12:10 p.m.
NER Named-entity recognition batch_69e5f99e9f8c8190b73db55f3f8bbf20 completed April 20, 2026, 10:02 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0700e2d04c819099beac3ea6a71c83 completed May 15, 2026, 11:17 a.m.
NEDg Description generation batch_6a07029b7580819090126480b5b1213f completed May 15, 2026, 11:25 a.m.
NED2 Entity disambiguation (via description) batch_6a07030deef08190a582bb6f956ef381 completed May 15, 2026, 11:27 a.m.
Created at: April 10, 2026, 1:20 p.m.