Triple
T21249458
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tittesworth Reservoir |
E523700
|
entity |
| Predicate | managedBy |
P86
|
FINISHED |
| Object | Severn Trent Water |
—
|
NE NERFINISHED |
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: Severn Trent Water | Statement: [Tittesworth Reservoir, managedBy, Severn Trent Water]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Severn Trent Water Context triple: [Tittesworth Reservoir, managedBy, Severn Trent Water]
-
A.
Severn Trent Water
chosen
Severn Trent Water is a major UK water and wastewater services company supplying and managing water resources across the Midlands and surrounding regions.
-
B.
Anglian Water
Anglian Water is a major water and wastewater services company in England, serving much of the east of the country.
-
C.
Yorkshire Water
Yorkshire Water is a major water supply and wastewater services company responsible for managing water resources and infrastructure across Yorkshire, England.
-
D.
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.
-
E.
United Utilities
United Utilities is a major British water and wastewater services company responsible for supplying and managing water infrastructure across North West England.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e0b5146c108190adc9adb73e90abff |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e7359c7a648190b4345336ac3be024 |
completed | April 21, 2026, 8:30 a.m. |
Created at: April 16, 2026, 3:56 p.m.