Triple

T7996249
Position Surface form Disambiguated ID Type / Status
Subject Taf Fawr E186132 entity
Predicate managedBy P86 FINISHED
Object Dŵr Cymru Welsh Water
Dŵr Cymru Welsh Water is a not-for-profit water and wastewater services company serving customers across Wales and parts of England.
 E705330 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: Dŵr Cymru Welsh Water | Statement: [Taf Fawr, managedBy, Dŵr Cymru Welsh Water]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Dŵr Cymru Welsh Water
Context triple: [Taf Fawr, managedBy, Dŵr Cymru Welsh Water]
  • A. Severn Trent Water
    Severn Trent Water is a major UK water and wastewater services company supplying and managing water resources across the Midlands and surrounding regions.
  • B. Scottish Water
    Scottish Water is the publicly owned company responsible for providing water and wastewater services across Scotland.
  • C. United Utilities
    United Utilities is a major British water and wastewater services company responsible for supplying and managing water infrastructure across North West England.
  • D. Thames Water
    Thames Water is the United Kingdom’s largest water and wastewater services company, supplying and treating water for millions of customers across London and the Thames Valley.
  • E. Derwent Valley Water Board
    The Derwent Valley Water Board was a public authority in England responsible for developing and managing major water supply reservoirs and infrastructure in the Derwent Valley region.
  • 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: Dŵr Cymru Welsh Water
Triple: [Taf Fawr, managedBy, Dŵr Cymru Welsh Water]
Generated description
Dŵr Cymru Welsh Water is a not-for-profit water and wastewater services company serving customers across Wales and parts of England.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Dŵr Cymru Welsh Water
Target entity description: Dŵr Cymru Welsh Water is a not-for-profit water and wastewater services company serving customers across Wales and parts of England.
  • A. Severn Trent Water
    Severn Trent Water is a major UK water and wastewater services company supplying and managing water resources across the Midlands and surrounding regions.
  • B. Scottish Water
    Scottish Water is the publicly owned company responsible for providing water and wastewater services across Scotland.
  • C. United Utilities
    United Utilities is a major British water and wastewater services company responsible for supplying and managing water infrastructure across North West England.
  • D. Thames Water
    Thames Water is the United Kingdom’s largest water and wastewater services company, supplying and treating water for millions of customers across London and the Thames Valley.
  • E. Derwent Valley Water Board
    The Derwent Valley Water Board was a public authority in England responsible for developing and managing major water supply reservoirs and infrastructure in the Derwent Valley region.
  • 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_69ca829c6c308190ab05b43d234c52b2 completed March 30, 2026, 2:03 p.m.
NER Named-entity recognition batch_69cb3c97968481908d261b3f0bd6b8e6 completed March 31, 2026, 3:16 a.m.
NED1 Entity disambiguation (via context triple) batch_69cbe10d5eb081909f257390094de442 completed March 31, 2026, 2:58 p.m.
NEDg Description generation batch_69cc46c221848190848c7e017e532a16 completed March 31, 2026, 10:12 p.m.
NED2 Entity disambiguation (via description) batch_69cc480d2f40819085046a1d0c9d05e0 completed March 31, 2026, 10:17 p.m.
Created at: March 30, 2026, 5:17 p.m.