Triple
T13171773
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Maentwrog |
E312992
|
entity |
| Predicate | hasNearbyFeature |
P350
|
FINISHED |
| Object | Ffestiniog Power Station |
E967950
|
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: Ffestiniog Power Station | Statement: [Maentwrog, hasNearbyFeature, Ffestiniog Power Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Ffestiniog Power Station Context triple: [Maentwrog, hasNearbyFeature, Ffestiniog Power Station]
-
A.
Dinorwig Power Station
chosen
Dinorwig Power Station is a large pumped-storage hydroelectric power facility in Snowdonia, Wales, built inside a former slate quarry and known for providing rapid-response electricity to the UK grid.
-
B.
Keswick Powerplant
Keswick Powerplant is a hydroelectric generating facility in California that uses water released from Keswick Dam to produce electricity.
-
C.
Owen Falls Power Station
Owen Falls Power Station is a major hydroelectric power plant on the Nile River in Uganda, historically one of the country’s primary sources of electricity.
-
D.
Aviemore Power Station
Aviemore Power Station is a major hydroelectric power facility in New Zealand, located on the Waitaki River as part of the Waitaki hydroelectric scheme.
-
E.
Agecroft power station
Agecroft power station was a coal-fired power station in Pendlebury, Greater Manchester, that operated for much of the 20th century and played a significant role in the region’s industrial energy supply.
- 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_69d806ac3ee081909b2fd27d060aa974 |
completed | April 9, 2026, 8:06 p.m. |
| NER | Named-entity recognition | batch_69d98c2f22b881908a0af3af0a0af971 |
completed | April 10, 2026, 11:47 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6eafb81288190a6dcc3bd872998d8 |
completed | May 3, 2026, 6:28 a.m. |
Created at: April 9, 2026, 9:13 p.m.