Triple
T22886112
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Calgary City Hall |
E567608
|
entity |
| Predicate | materialUsed |
P1272
|
FINISHED |
| Object | Paskapoo sandstone |
—
|
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: Paskapoo sandstone | Statement: [Calgary City Hall, materialUsed, Paskapoo sandstone]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Paskapoo sandstone Context triple: [Calgary City Hall, materialUsed, Paskapoo sandstone]
-
A.
Pacoota Sandstone
Pacoota Sandstone is a geological rock formation known from the sedimentary stratigraphy of central Australia, particularly within the Amadeus Basin.
-
B.
Berea sandstone
Berea sandstone is a durable, fine-grained sedimentary building stone historically quarried in Ohio and widely used in prominent 19th-century American architecture and monuments.
-
C.
Lookout Sandstone
Lookout Sandstone is a prominent sedimentary rock formation of the southern Appalachian region, notable for shaping the dramatic cliffs and canyon walls of areas like Little River Canyon.
-
D.
Wingate Sandstone
Wingate Sandstone is a prominent Late Triassic sandstone formation of the Colorado Plateau, known for forming towering vertical cliffs and dramatic canyon walls in places like Capitol Reef National Park.
-
E.
Nugget Sandstone
Nugget Sandstone is a prominent Jurassic-age sandstone unit of the western United States, best known for its extensive eolian (wind-deposited) dune deposits and its role as a significant reservoir rock in regional geology.
- 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: Paskapoo sandstone Target entity description: Paskapoo sandstone is a locally quarried, pale yellow-brown sedimentary building stone from the Calgary region, historically used in many of the city’s prominent early structures.
-
A.
Pacoota Sandstone
Pacoota Sandstone is a geological rock formation known from the sedimentary stratigraphy of central Australia, particularly within the Amadeus Basin.
-
B.
Berea sandstone
Berea sandstone is a durable, fine-grained sedimentary building stone historically quarried in Ohio and widely used in prominent 19th-century American architecture and monuments.
-
C.
Lookout Sandstone
Lookout Sandstone is a prominent sedimentary rock formation of the southern Appalachian region, notable for shaping the dramatic cliffs and canyon walls of areas like Little River Canyon.
-
D.
Wingate Sandstone
Wingate Sandstone is a prominent Late Triassic sandstone formation of the Colorado Plateau, known for forming towering vertical cliffs and dramatic canyon walls in places like Capitol Reef National Park.
-
E.
Nugget Sandstone
Nugget Sandstone is a prominent Jurassic-age sandstone unit of the western United States, best known for its extensive eolian (wind-deposited) dune deposits and its role as a significant reservoir rock in regional geology.
- 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_69e2458a92ec81908fc1cd5f6407d2ab |
completed | April 17, 2026, 2:36 p.m. |
| NER | Named-entity recognition | batch_69f17fc0cdb081908107d40069d9735f |
completed | April 29, 2026, 3:49 a.m. |
Created at: April 17, 2026, 3:40 p.m.