Triple
T19165495
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Penllergaer |
E469167
|
entity |
| Predicate | hasLandmark |
P105
|
FINISHED |
| Object | Penllergaer Observatory site |
—
|
NE NERFINISHED |
How this triple was built (3 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: Penllergaer Observatory site | Statement: [Penllergaer, hasLandmark, Penllergaer Observatory site]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Penllergaer Observatory site Context triple: [Penllergaer, hasLandmark, Penllergaer Observatory site]
-
A.
Menhirs of Clendy
The Menhirs of Clendy are a prehistoric megalithic stone alignment near Yverdon-les-Bains in Switzerland, notable for its rows of standing stones dating back to the Neolithic period.
-
B.
Gorsedd stone circle
Gorsedd stone circle is a ceremonial stone circle in Cardiff associated with the Gorsedd of Bards and the National Eisteddfod of Wales.
-
C.
Penrhyn Slate Quarry
Penrhyn Slate Quarry is a historic and once world-leading slate mine in Bethesda, North Wales, central to the region’s industrial heritage and landscape.
-
D.
Bryn Celli Ddu
Bryn Celli Ddu is a Neolithic passage tomb and ceremonial monument on the island of Anglesey in Wales, noted for its prehistoric burial chamber and alignment with the summer solstice sunrise.
-
E.
Dinefwr Park
Dinefwr Park is a historic estate and National Trust property in Carmarthenshire, Wales, known for its medieval castle, 18th-century mansion, and extensive deer park and woodland.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Penllergaer Observatory site Target entity description: Penllergaer Observatory site is a historic astronomical observatory location in Penllergaer, Wales, associated with 19th-century sky-watching and scientific study.
-
A.
Menhirs of Clendy
The Menhirs of Clendy are a prehistoric megalithic stone alignment near Yverdon-les-Bains in Switzerland, notable for its rows of standing stones dating back to the Neolithic period.
-
B.
Gorsedd stone circle
Gorsedd stone circle is a ceremonial stone circle in Cardiff associated with the Gorsedd of Bards and the National Eisteddfod of Wales.
-
C.
Penrhyn Slate Quarry
Penrhyn Slate Quarry is a historic and once world-leading slate mine in Bethesda, North Wales, central to the region’s industrial heritage and landscape.
-
D.
Bryn Celli Ddu
Bryn Celli Ddu is a Neolithic passage tomb and ceremonial monument on the island of Anglesey in Wales, noted for its prehistoric burial chamber and alignment with the summer solstice sunrise.
-
E.
Dinefwr Park
Dinefwr Park is a historic estate and National Trust property in Carmarthenshire, Wales, known for its medieval castle, 18th-century mansion, and extensive deer park and woodland.
- F. None of above. chosen
Provenance (2 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_69d8dd09d5a081909ae43c286651ae5a |
completed | April 10, 2026, 11:20 a.m. |
| NER | Named-entity recognition | batch_69e5f15ee064819087f9fd822236298f |
completed | April 20, 2026, 9:26 a.m. |
Created at: April 10, 2026, 12:06 p.m.