Triple
T10160289
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Elan Valley reservoirs |
E233870
|
entity |
| Predicate | hasStructure |
P35
|
FINISHED |
| Object | Claerwen Dam |
E854780
|
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: Claerwen Dam | Statement: [Elan Valley reservoirs, hasStructure, Claerwen Dam]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Claerwen Dam Context triple: [Elan Valley reservoirs, hasStructure, Claerwen Dam]
-
A.
Claerwen Dam
chosen
Claerwen Dam is a large concrete gravity dam in mid-Wales, forming part of the Elan Valley reservoir system that supplies water to Birmingham.
-
B.
Cluny Dam
Cluny Dam is a hydroelectric dam on Tasmania’s Derwent River that forms part of the state’s power generation and water management system.
-
C.
Saville Dam
Saville Dam is a large masonry dam in Barkhamsted, Connecticut, that creates the Barkhamsted Reservoir, a major water supply source for the Hartford area.
-
D.
Derwent Dam
Derwent Dam is a large historic masonry dam in Derbyshire, England, best known for its role in World War II RAF "Dambusters" training and as a prominent feature of the Upper Derwent Valley.
-
E.
Keswick Dam
Keswick Dam is a concrete gravity dam on the Sacramento River in Northern California that regulates flows and generates hydroelectric power as part of the region’s large federal water management system.
- 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_69ca848e80748190b91d1e04d35512c7 |
completed | March 30, 2026, 2:11 p.m. |
| NER | Named-entity recognition | batch_69cdec5831e481909b48fdfa8f1c670b |
completed | April 2, 2026, 4:11 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d90d54c32c8190b175a30c7c905cd2 |
completed | April 10, 2026, 2:46 p.m. |
Created at: March 30, 2026, 9:09 p.m.