Triple
T11347015
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lee Valley reservoirs |
E268740
|
entity |
| Predicate | waterSupplier |
P4360
|
FINISHED |
| Object | Thames Water |
E128350
|
NE FINISHED |
How this triple was built (3 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: Thames Water | Statement: [Lee Valley reservoirs, waterSupplier, Thames Water]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Thames Water Context triple: [Lee Valley reservoirs, waterSupplier, Thames Water]
-
A.
Thames Water
chosen
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.
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.
-
C.
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.
-
D.
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.
-
E.
Northumbrian Water
Northumbrian Water is a major water supply and wastewater services company serving the North East of England.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: waterSupplier Context triple: [Lee Valley reservoirs, waterSupplier, Thames Water]
-
A.
sourceOfWaterSupply
chosen
Indicates that one entity serves as the origin or provider of another entity’s water supply.
-
B.
waterServiceType
Indicates the specific kind or category of water service provided or associated with an entity.
-
C.
waterSupplyShare
Indicates the proportion of a total water supply that is allocated to or used by a particular entity.
-
D.
waterSource
Indicates that one entity serves as the source or provider of water for another entity.
-
E.
waterDistributionMethod
Indicates how water is delivered, supplied, or allocated from a source to its intended recipients or locations.
- F. None of above.
Provenance (4 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_69d6aacbe18081909e5fadb50082dd96 |
completed | April 8, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69d80148e2048190a716b515d78efdd1 |
completed | April 9, 2026, 7:43 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e5437fb1208190892fa6b05c92478e |
completed | April 19, 2026, 9:05 p.m. |
| PD | Predicate disambiguation | batch_69d7e6f8aeb4819080476f16a69b2ee3 |
completed | April 9, 2026, 5:50 p.m. |
Created at: April 8, 2026, 9:33 p.m.