Triple

T4925995
Position Surface form Disambiguated ID Type / Status
Subject CF postcode area E110575 entity
Predicate hasPostTown P2711 FINISHED
Object MERTHYR TYDFIL
Merthyr Tydfil is a large town in South Wales, historically known as an important industrial and coal-mining centre in the Welsh Valleys.
 E480290 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: MERTHYR TYDFIL | Statement: [CF postcode area, hasPostTown, MERTHYR TYDFIL]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: MERTHYR TYDFIL
Context triple: [CF postcode area, hasPostTown, MERTHYR TYDFIL]
  • A. Ebbw Vale
    Ebbw Vale is a town in South Wales known for its industrial heritage, particularly in steelmaking and coal mining, and for serving as the main commercial and administrative hub of the surrounding area.
  • B. Radyr
    Radyr is a suburban village and community on the outskirts of Cardiff, Wales, known for its residential character and proximity to the River Taff.
  • C. Treorchy
    Treorchy is a former coal-mining town and community in the Rhondda Fawr valley of South Wales, known for its cultural heritage and male voice choir.
  • D. Pencoed
    Pencoed is a small town in south Wales, situated near Bridgend and known primarily as a residential and commuter community.
  • E. Brynmawr
    Brynmawr is a small town in South Wales known for its industrial heritage and position on the northern edge of the South Wales Valleys.
  • 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: MERTHYR TYDFIL
Triple: [CF postcode area, hasPostTown, MERTHYR TYDFIL]
Generated description
Merthyr Tydfil is a large town in South Wales, historically known as an important industrial and coal-mining centre in the Welsh Valleys.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: MERTHYR TYDFIL
Target entity description: Merthyr Tydfil is a large town in South Wales, historically known as an important industrial and coal-mining centre in the Welsh Valleys.
  • A. Ebbw Vale
    Ebbw Vale is a town in South Wales known for its industrial heritage, particularly in steelmaking and coal mining, and for serving as the main commercial and administrative hub of the surrounding area.
  • B. Radyr
    Radyr is a suburban village and community on the outskirts of Cardiff, Wales, known for its residential character and proximity to the River Taff.
  • C. Treorchy
    Treorchy is a former coal-mining town and community in the Rhondda Fawr valley of South Wales, known for its cultural heritage and male voice choir.
  • D. Pencoed
    Pencoed is a small town in south Wales, situated near Bridgend and known primarily as a residential and commuter community.
  • E. Brynmawr
    Brynmawr is a small town in South Wales known for its industrial heritage and position on the northern edge of the South Wales Valleys.
  • 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_69bd4413f9908190afcff44d7929cc4c completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd7033c430819088e62f14979aa83c completed March 20, 2026, 4:05 p.m.
NED1 Entity disambiguation (via context triple) batch_69be77a9dff481908c7f525f233d9bce completed March 21, 2026, 10:49 a.m.
NEDg Description generation batch_69be781aa8648190a58587e6f3e04e11 completed March 21, 2026, 10:51 a.m.
NED2 Entity disambiguation (via description) batch_69be78a0bdc88190bd8458658f15f879 completed March 21, 2026, 10:53 a.m.
Created at: March 20, 2026, 1:30 p.m.