Triple
T7394489
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Howden Reservoir |
E170587
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | Derwent Valley water supply system |
E492108
|
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: Derwent Valley water supply system | Statement: [Howden Reservoir, partOf, Derwent Valley water supply system]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Derwent Valley water supply system Context triple: [Howden Reservoir, partOf, Derwent Valley water supply system]
-
A.
Derwent Valley Water Board
chosen
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.
-
B.
Elan Valley reservoirs
The Elan Valley reservoirs are a series of scenic man-made lakes in mid-Wales, created in the late 19th and early 20th centuries to supply water to Birmingham and now renowned for their dams, wildlife, and outdoor recreation.
-
C.
Derwent hydropower scheme
The Derwent hydropower scheme is a system of hydroelectric power stations and associated infrastructure that harnesses the flow of the River Derwent to generate renewable electricity.
-
D.
Chew Valley water supply system
The Chew Valley water supply system is an integrated network of reservoirs, treatment works, and pipelines in the Chew Valley area that provides potable water to surrounding communities.
-
E.
Cheshire Reservoir
Cheshire Reservoir is a man-made lake in Cheshire, Massachusetts, popular for recreation such as boating and fishing.
- 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_69c68a5f04188190ac266569c9280347 |
completed | March 27, 2026, 1:47 p.m. |
| NER | Named-entity recognition | batch_69c6f2263b48819089319a2a2f0d3357 |
completed | March 27, 2026, 9:09 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c810fcb1408190a6ed22213bd7830b |
completed | March 28, 2026, 5:33 p.m. |
Created at: March 27, 2026, 3:09 p.m.