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

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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]

Disambiguation candidates (2 decisions)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

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.
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

How the object was described

The object's one-sentence description was generated by prompting gpt-5.1 with the object name and this triple as context.

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.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69d6ab01d2688190ad8ed6bda487eaa5 elicitation completed
NER batch_69d8a526979c8190ad2089997906855b ner completed
NED1 batch_69f09075aba8819082434a43473025bd ned_source_triple completed
NED2 batch_69f0ef02c930819086d139834ad4ed84 ned_description completed
NEDg batch_69f0bd3cf8308190813003daa8cfba4a nedg completed
Created at: April 8, 2026, 9:41 p.m.