Triple

T5084469
Position Surface form Disambiguated ID Type / Status
Subject Ladybower Reservoir E114602 entity
Predicate operator P179 FINISHED
Object 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.
 E492107 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: Severn Trent Water | Statement: [Ladybower Reservoir, operator, Severn Trent Water]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Severn Trent Water
Context triple: [Ladybower Reservoir, operator, Severn Trent Water]
  • A. United Utilities
    United Utilities is a major British water and wastewater services company responsible for supplying and managing water infrastructure across North West England.
  • B. 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.
  • C. Watercare Services Limited
    Watercare Services Limited is the company responsible for providing water and wastewater services to the Auckland region in New Zealand.
  • D. Clean Water Services
    Clean Water Services is a public utility in Oregon that provides wastewater treatment, water resource management, and environmental services for the Tualatin River watershed and surrounding communities.
  • E. 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.
  • 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: Severn Trent Water
Triple: [Ladybower Reservoir, operator, Severn Trent Water]
Generated description
Severn Trent Water is a major UK water and wastewater services company supplying and managing water resources across the Midlands and surrounding regions.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Severn Trent Water
Target entity description: Severn Trent Water is a major UK water and wastewater services company supplying and managing water resources across the Midlands and surrounding regions.
  • A. United Utilities
    United Utilities is a major British water and wastewater services company responsible for supplying and managing water infrastructure across North West England.
  • B. 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.
  • C. Watercare Services Limited
    Watercare Services Limited is the company responsible for providing water and wastewater services to the Auckland region in New Zealand.
  • D. Clean Water Services
    Clean Water Services is a public utility in Oregon that provides wastewater treatment, water resource management, and environmental services for the Tualatin River watershed and surrounding communities.
  • E. 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.
  • 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_69bd443e941881908eb4e8c685b6f656 completed March 20, 2026, 12:57 p.m.
NER Named-entity recognition batch_69bd75192d188190a7631bce5faf7de3 completed March 20, 2026, 4:26 p.m.
NED1 Entity disambiguation (via context triple) batch_69beb13a8be08190a0f1fc3aec224dde completed March 21, 2026, 2:54 p.m.
NEDg Description generation batch_69beb22ca4148190b599b48c05e5e3da completed March 21, 2026, 2:58 p.m.
NED2 Entity disambiguation (via description) batch_69beb2c80a6881908ad29936da1240d2 completed March 21, 2026, 3:01 p.m.
Created at: March 20, 2026, 1:40 p.m.