Triple
T20176227
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Upper Derwent Valley |
E492106
|
entity |
| Predicate | notableStructure |
P1544
|
FINISHED |
| Object | Howden Dam |
—
|
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: Howden Dam | Statement: [Upper Derwent Valley, notableStructure, Howden Dam]
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: Howden Dam Context triple: [Upper Derwent Valley, notableStructure, Howden Dam]
-
A.
Howden Dam
chosen
Howden Dam is a large masonry dam in Derbyshire, England, forming part of the Upper Derwent Valley reservoir system and known for its impressive architecture and role in regional water supply.
-
B.
Howland Dam
Howland Dam is a hydroelectric dam on Maine’s Piscataquis River that became a focal point of river restoration efforts to improve fish passage and ecosystem health.
-
C.
Denison Dam
Denison Dam is a large earthen dam on the Red River between Texas and Oklahoma, built for flood control, hydroelectric power generation, and water supply.
-
D.
Gathright Dam
Gathright Dam is a large earthen dam in western Virginia that creates Lake Moomaw and provides flood control and recreation in the Jackson River basin.
-
E.
Duncan Dam
Duncan Dam is a major hydroelectric and flood-control dam on the Duncan River in British Columbia, forming part of the Columbia River Treaty system.
- 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.