Triple
T11869183
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lake Vyrnwy |
E282361
|
entity |
| Predicate | hasLandmark |
P105
|
FINISHED |
| Object | Lake Vyrnwy dam |
E951075
|
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: Lake Vyrnwy dam | Statement: [Lake Vyrnwy, hasLandmark, Lake Vyrnwy dam]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lake Vyrnwy dam Context triple: [Lake Vyrnwy, hasLandmark, Lake Vyrnwy dam]
-
A.
Vyrnwy Dam
chosen
Vyrnwy Dam is a historic stone-built dam in Powys, Wales, notable for creating Lake Vyrnwy and being one of the first large masonry dams in the United Kingdom.
-
B.
Lake Vyrnwy
Lake Vyrnwy is a large artificial reservoir in Powys, Wales, created in the 19th century to supply water to Liverpool and now known for its scenic surroundings and wildlife.
-
C.
Clywedog Reservoir
Clywedog Reservoir is a large man-made lake in mid-Wales, created for water regulation and recreation amid scenic upland surroundings.
-
D.
Llyn Celyn
Llyn Celyn is a large reservoir in North Wales, created in the 1960s by flooding the Tryweryn Valley, including the village of Capel Celyn, to supply water to Liverpool.
-
E.
Garreg Ddu Reservoir
Garreg Ddu Reservoir is a scenic man-made lake in the Elan Valley of mid-Wales, known for its distinctive submerged dam and role in supplying water to the city of Birmingham.
- 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_69d6ab2945d081908a5851c916cbcfb5 |
completed | April 8, 2026, 7:23 p.m. |
| NER | Named-entity recognition | batch_69d8a73c04e4819084c0b2ff8e5d2f04 |
completed | April 10, 2026, 7:31 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f43fc3f6688190aec5c0b481cfc77f |
completed | May 1, 2026, 5:53 a.m. |
Created at: April 8, 2026, 9:43 p.m.