Triple
T1424137
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | The Cenotaph, Whitehall, London |
E30290
|
entity |
| Predicate | materialUsed |
P1272
|
FINISHED |
| Object | Portland stone |
E88343
|
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: Portland stone | Statement: [The Cenotaph, Whitehall, London, materialUsed, Portland stone]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Portland stone Context triple: [The Cenotaph, Whitehall, London, materialUsed, Portland stone]
-
A.
Portland stone
chosen
Portland stone is a durable, fine-grained limestone from the Isle of Portland in Dorset, England, widely used as a prestigious building material in British architecture.
-
B.
Kentish ragstone
Kentish ragstone is a hard, grey limestone from Kent, England, historically quarried for major building works including many medieval fortifications and churches.
-
C.
Collyhurst sandstone
Collyhurst sandstone is a distinctive red Triassic sandstone historically quarried in Manchester, England, and widely used in local building and architectural stonework.
-
D.
Tuckahoe marble
Tuckahoe marble is a high-quality white to gray dolomitic marble historically quarried in Westchester County, New York, widely used in prominent 19th-century American buildings and monuments.
-
E.
Georgia marble
Georgia marble is a high-quality, durable white and gray marble quarried in the state of Georgia, widely used in prominent American monuments and buildings.
- 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_69a498fb823c8190a67ce4c4837e641a |
completed | March 1, 2026, 7:52 p.m. |
| NER | Named-entity recognition | batch_69a4c4bc145c8190a2d7a1d755d18251 |
completed | March 1, 2026, 10:59 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ad01646fd481909fcd92a1cc027fa2 |
completed | March 8, 2026, 4:56 a.m. |
Created at: March 1, 2026, 8 p.m.