Triple
T12022012
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Errwood Reservoir |
E286174
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | United Utilities |
E237136
|
NE FINISHED |
How this triple was built (2 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: [Errwood Reservoir, operator, United Utilities]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: United Utilities Context triple: [Errwood Reservoir, operator, United Utilities]
-
A.
United Utilities
chosen
United Utilities is a major British water and wastewater services company responsible for supplying and managing water infrastructure across North West England.
-
B.
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.
-
C.
Dŵr Cymru Welsh Water
Dŵr Cymru Welsh Water is a not-for-profit water and wastewater services company serving customers across Wales and parts of England.
-
D.
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.
-
E.
Scottish Water
Scottish Water is the publicly owned company responsible for providing water and wastewater services across Scotland.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d6ab4669e48190b59246358b0383ab |
completed | April 8, 2026, 7:23 p.m. |
| NER | Named-entity recognition | batch_69d903ed15408190afc21afd57d6a737 |
completed | April 10, 2026, 2:06 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f48b62cad8819092beb72c604a4762 |
completed | May 1, 2026, 11:15 a.m. |
Created at: April 8, 2026, 9:47 p.m.