Triple
T16370875
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Late Ordovician mass extinction |
E397558
|
entity |
| Predicate | geographicCenter |
P1822
|
FINISHED |
| Object | Gondwana |
E102656
|
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: Gondwana | Statement: [Late Ordovician mass extinction, geographicCenter, Gondwana]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Gondwana Context triple: [Late Ordovician mass extinction, geographicCenter, Gondwana]
-
A.
Gondwana
chosen
Gondwana was a vast ancient supercontinent in the Southern Hemisphere that included present-day South America, Africa, Antarctica, Australia, the Indian subcontinent, and the Arabian Peninsula.
-
B.
Laurentia
Laurentia is an ancient Precambrian craton that forms the geological core of present-day North America and parts of Greenland and Scotland.
-
C.
Sunda Craton
The Sunda Craton is an ancient, stable block of continental crust in Southeast Asia that underlies much of the region’s landmass and adjacent shallow seas.
-
D.
Laurasia
Laurasia was the northern supercontinent that existed during the late Paleozoic and Mesozoic eras, comprising what are now North America, Europe, and Asia.
-
E.
Gondwana Group
The Gondwana Group is a major sequence of sedimentary rock formations deposited during the late Paleozoic to early Mesozoic eras, widely known for preserving extensive coal measures and fossils across parts of the ancient supercontinent Gondwana.
- 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_69d87f2778dc8190aa95c7572db127e6 |
completed | April 10, 2026, 4:40 a.m. |
| NER | Named-entity recognition | batch_69e2ff420d04819096ff12e08edf2f8b |
completed | April 18, 2026, 3:49 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a002dc44c508190bf87b437d1447db6 |
completed | May 10, 2026, 7:03 a.m. |
Created at: April 10, 2026, 5:08 a.m.