Triple
T20176189
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Upper Derwent Valley |
E492106
|
entity |
| Predicate | hasReservoir |
P1025
|
FINISHED |
| Object | Derwent Reservoir |
—
|
NE NERFINISHED |
Named-entity recognition
Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.
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 Reservoir | Statement: [Upper Derwent Valley, hasReservoir, Derwent Reservoir]
Disambiguation candidates (1 decision)
The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Derwent Reservoir Context triple: [Upper Derwent Valley, hasReservoir, Derwent Reservoir]
-
A.
Derwent Reservoir
chosen
Derwent Reservoir is a large man-made lake in Derbyshire, England, best known for its scenic surroundings in the Peak District and its historical association with the World War II "Dambusters" training flights.
-
B.
Keswick Reservoir
Keswick Reservoir is a man-made lake on the Sacramento River in Northern California, primarily serving as a regulating reservoir for Shasta Dam’s hydroelectric operations and regional water management.
-
C.
Banbury Reservoir
Banbury Reservoir is a man-made water storage lake in the Lee Valley area of North London, used primarily for public water supply and managed as part of the Lee Valley Regional Park.
-
D.
Entwistle Reservoir
Entwistle Reservoir is a scenic man-made lake in Lancashire, England, popular for walking and wildlife within the West Pennine Moors.
-
E.
Thurlow Reservoir
Thurlow Reservoir is a man-made lake on the Tallapoosa River in Alabama, primarily used for hydroelectric power generation, recreation, and water management.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 batches)
| Stage | Batch ID | Job type | Status |
|---|---|---|---|
| creating | batch_69da6266c6888190bc1a3ecf24814d34 |
elicitation | completed |
| NER | batch_69e668eb50a48190af7de53680ca2f5d |
ner | completed |
Created at: April 11, 2026, 11:36 p.m.