Triple
T2136669
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chew Reservoir |
E46669
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object |
United Utilities
United Utilities is a major British water and wastewater services company responsible for supplying and managing water infrastructure across North West England.
|
E237136
|
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: United Utilities | Statement: [Chew Reservoir, operator, United Utilities]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: United Utilities Context triple: [Chew Reservoir, operator, United Utilities]
-
A.
Centrica
Centrica is a British multinational energy and services company best known as the owner of British Gas and a major supplier of gas and electricity in the UK and Ireland.
-
B.
Arqiva
Arqiva is a UK-based communications infrastructure and media services company that operates broadcast transmission networks and related services for television, radio, and wireless communications.
-
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.
SSE Hydro
SSE Hydro is a major indoor arena in Glasgow, Scotland, renowned for hosting large-scale concerts, sporting events, and entertainment shows.
-
E.
British Electricity Authority
The British Electricity Authority was the nationalized body responsible for generating and supplying electricity in Great Britain in the early post-World War II period.
- 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: United Utilities Triple: [Chew Reservoir, operator, United Utilities]
Generated description
United Utilities is a major British water and wastewater services company responsible for supplying and managing water infrastructure across North West England.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: United Utilities Target entity description: United Utilities is a major British water and wastewater services company responsible for supplying and managing water infrastructure across North West England.
-
A.
Centrica
Centrica is a British multinational energy and services company best known as the owner of British Gas and a major supplier of gas and electricity in the UK and Ireland.
-
B.
Arqiva
Arqiva is a UK-based communications infrastructure and media services company that operates broadcast transmission networks and related services for television, radio, and wireless communications.
-
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.
SSE Hydro
SSE Hydro is a major indoor arena in Glasgow, Scotland, renowned for hosting large-scale concerts, sporting events, and entertainment shows.
-
E.
British Electricity Authority
The British Electricity Authority was the nationalized body responsible for generating and supplying electricity in Great Britain in the early post-World War II period.
- 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_69a88a174ab48190a5db20c132e5dccf |
completed | March 4, 2026, 7:37 p.m. |
| NER | Named-entity recognition | batch_69abbdff9254819094d27405478e29a0 |
completed | March 7, 2026, 5:56 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae51acc0f88190a580e29d887170ec |
completed | March 9, 2026, 4:50 a.m. |
| NEDg | Description generation | batch_69ae5322097c81909d77d54ae258ab1a |
completed | March 9, 2026, 4:57 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ae5365cd808190aa8363b612ef0ec5 |
completed | March 9, 2026, 4:58 a.m. |
Created at: March 4, 2026, 7:44 p.m.