Triple

T11768155
Position Surface form Disambiguated ID Type / Status
Subject Pennon Group E279828 entity
Predicate subsidiary P258 FINISHED
Object South West Water
South West Water is a UK water and wastewater services company that supplies and treats water for customers primarily in Devon, Cornwall, and surrounding regions.
 E945598 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: South West Water | Statement: [Pennon Group, subsidiary, South West Water]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: South West Water
Context triple: [Pennon Group, subsidiary, South West Water]
  • A. Bristol Water
    Bristol Water is a regional water supply company in southwest England responsible for providing drinking water and managing key reservoirs and infrastructure in and around Bristol.
  • B. Northumbrian Water
    Northumbrian Water is a major water supply and wastewater services company serving the North East of England.
  • C. 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.
  • D. 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.
  • 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: South West Water
Triple: [Pennon Group, subsidiary, South West Water]
Generated description
South West Water is a UK water and wastewater services company that supplies and treats water for customers primarily in Devon, Cornwall, and surrounding regions.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: South West Water
Target entity description: South West Water is a UK water and wastewater services company that supplies and treats water for customers primarily in Devon, Cornwall, and surrounding regions.
  • A. Bristol Water
    Bristol Water is a regional water supply company in southwest England responsible for providing drinking water and managing key reservoirs and infrastructure in and around Bristol.
  • B. Northumbrian Water
    Northumbrian Water is a major water supply and wastewater services company serving the North East of England.
  • C. 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.
  • D. 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.
  • 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_69d6ab01d2688190ad8ed6bda487eaa5 completed April 8, 2026, 7:22 p.m.
NER Named-entity recognition batch_69d8a526979c8190ad2089997906855b completed April 10, 2026, 7:22 a.m.
NED1 Entity disambiguation (via context triple) batch_69f09075aba8819082434a43473025bd completed April 28, 2026, 10:48 a.m.
NEDg Description generation batch_69f0bd3cf8308190813003daa8cfba4a completed April 28, 2026, 1:59 p.m.
NED2 Entity disambiguation (via description) batch_69f0ef02c930819086d139834ad4ed84 completed April 28, 2026, 5:31 p.m.
Created at: April 8, 2026, 9:41 p.m.