Triple

T8573047
Position Surface form Disambiguated ID Type / Status
Subject Chew Valley Lake E202974 entity
Predicate managedBy P86 FINISHED
Object 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.
 E742513 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: Bristol Water | Statement: [Chew Valley Lake, managedBy, Bristol Water]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Bristol Water
Context triple: [Chew Valley Lake, managedBy, Bristol Water]
  • A. 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.
  • B. Malvern water
    Malvern water is a naturally filtered spring water from the Malvern Hills in England, historically famed for its purity and association with health and spa culture.
  • C. Avon Water
    Avon Water is a river in South Lanarkshire, Scotland, that flows through the town of Hamilton before joining the River Clyde.
  • D. Bristol Avon
    Bristol Avon is a major river in southwest England that flows through Bristol before emptying into the Severn Estuary.
  • 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: Bristol Water
Triple: [Chew Valley Lake, managedBy, Bristol Water]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Bristol Water
Target entity description: 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.
  • A. 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.
  • B. Malvern water
    Malvern water is a naturally filtered spring water from the Malvern Hills in England, historically famed for its purity and association with health and spa culture.
  • C. Avon Water
    Avon Water is a river in South Lanarkshire, Scotland, that flows through the town of Hamilton before joining the River Clyde.
  • D. Bristol Avon
    Bristol Avon is a major river in southwest England that flows through Bristol before emptying into the Severn Estuary.
  • 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_69ca8328ebe481909a8c038fa79959b4 completed March 30, 2026, 2:05 p.m.
NER Named-entity recognition batch_69cbea458c1081908e79bee2cbf97207 completed March 31, 2026, 3:37 p.m.
NED1 Entity disambiguation (via context triple) batch_69ce898cf8648190b52758b6ecf2959b completed April 2, 2026, 3:21 p.m.
NEDg Description generation batch_69ce8a9df47c81909ba9ef8dff1db7b1 completed April 2, 2026, 3:26 p.m.
NED2 Entity disambiguation (via description) batch_69ce8b48841c8190bcf11aeb25355649 completed April 2, 2026, 3:29 p.m.
Created at: March 30, 2026, 6:21 p.m.