Triple
T14618906
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Penrose stairs |
E343161
|
entity |
| Predicate | hasAlternativeName |
P39
|
FINISHED |
| Object | impossible staircase |
E343161
|
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: impossible staircase | Statement: [Penrose stairs, hasAlternativeName, impossible staircase]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: impossible staircase Context triple: [Penrose stairs, hasAlternativeName, impossible staircase]
-
A.
Penrose stairs
chosen
The Penrose stairs is an impossible object and optical illusion depicting a staircase that appears to ascend or descend forever in a loop, defying the rules of Euclidean geometry.
-
B.
Penrose triangle
The Penrose triangle is an impossible optical illusion figure that appears to be a solid three-dimensional triangle but cannot exist in Euclidean space.
-
C.
Necker cube
The Necker cube is a classic optical illusion consisting of a simple line drawing of a cube that can be perceived in two different three-dimensional orientations.
-
D.
Devil's Staircase
Devil's Staircase is a steep and scenic mountain pass in the Scottish Highlands, popular with hikers on the West Highland Way near Kinlochleven.
-
E.
miraculous staircase
The miraculous staircase is a legendary, architecturally puzzling wooden spiral staircase in the Loretto Chapel in Santa Fe, New Mexico, famed for its helix design, lack of visible support, and mysterious origins.
- 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_69d822dffc3c8190aa173b90761bffda |
completed | April 9, 2026, 10:06 p.m. |
| NER | Named-entity recognition | batch_69deb46550e48190af45f426f02579bb |
completed | April 14, 2026, 9:40 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fda924c7308190931c03fbac57b0bf |
completed | May 8, 2026, 9:13 a.m. |
Created at: April 10, 2026, 1:25 a.m.