Triple
T8356790
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Toarcian Oceanic Anoxic Event |
E196700
|
entity |
| Predicate | hasGlobalExtent |
P32890
|
FINISHED |
| Object | Tethys Ocean |
E201671
|
NE FINISHED |
Named-entity recognition
Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.
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: Tethys Ocean | Statement: [Toarcian Oceanic Anoxic Event, hasGlobalExtent, Tethys Ocean]
Disambiguation candidates (1 decision)
The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tethys Ocean Context triple: [Toarcian Oceanic Anoxic Event, hasGlobalExtent, Tethys Ocean]
-
A.
Tethys Ocean
chosen
The Tethys Ocean was a vast ancient ocean that existed between the supercontinents of Gondwana and Laurasia, playing a key role in Mesozoic plate tectonics and marine evolution.
-
B.
Iapetus Ocean
The Iapetus Ocean was an ancient Paleozoic ocean that once separated the paleocontinents of Laurentia, Baltica, and Avalonia before closing during the formation of the supercontinent Pangaea.
-
C.
Rheic Ocean
The Rheic Ocean was a Paleozoic-age ocean that once separated the ancient continents of Gondwana from Laurussia before closing during the assembly of the supercontinent Pangaea.
-
D.
Pan-African Ocean
The Pan-African Ocean was a vast ancient ocean that surrounded the supercontinent Pannotia during the late Precambrian era.
-
E.
Yoldia Sea
The Yoldia Sea was an early post-glacial brackish water stage of the Baltic basin that existed after the last Ice Age, named after the bivalve Yoldia arctica found in its sediments.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 batches)
| Stage | Batch ID | Job type | Status |
|---|---|---|---|
| creating | batch_69ca82f08b348190bfb7881944bbff6f |
elicitation | completed |
| NER | batch_69cb804b57f88190907a4e4e389caf5f |
ner | completed |
| NED1 | batch_69cdc765e5c4819096b5f9129ee416a0 |
ned_source_triple | completed |
Created at: March 30, 2026, 5:59 p.m.