Triple
T21789557
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | North Aegean Trough |
E537932
|
entity |
| Predicate | relatedTo |
P37
|
FINISHED |
| Object | Aegean back-arc extension |
—
|
NE NERFINISHED |
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: Aegean back-arc extension | Statement: [North Aegean Trough, relatedTo, Aegean back-arc extension]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Aegean back-arc extension Context triple: [North Aegean Trough, relatedTo, Aegean back-arc extension]
-
A.
Aegean back-arc extension
chosen
Aegean back-arc extension is a tectonic process in the Aegean region characterized by crustal stretching and thinning behind the Hellenic subduction zone, leading to widespread normal faulting and basin formation.
-
B.
Tyrrhenian back-arc basin system
The Tyrrhenian back-arc basin system is a tectonically active region in the western Mediterranean characterized by seafloor spreading, extensional processes, and associated volcanic activity behind the Apennine subduction zone.
-
C.
Hellenic subduction system
The Hellenic subduction system is a major convergent plate boundary in the eastern Mediterranean where the African Plate is being subducted beneath the Aegean microplate, creating deep-sea trenches, intense seismicity, and active volcanism.
-
D.
New Hebrides back-arc basin
The New Hebrides back-arc basin is a seafloor spreading region in the southwest Pacific formed behind the New Hebrides island arc as a result of subduction-related tectonic extension.
-
E.
Andean back-arc basins
Andean back-arc basins are sedimentary basins that formed behind the Andean volcanic arc due to tectonic extension and subsidence related to subduction along the western margin of South America.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69e0c47198f881908cb0d237266c10e9 |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69f0621ed2b481909e3df17aee9cd8f7 |
completed | April 28, 2026, 7:30 a.m. |
Created at: April 16, 2026, 6:52 p.m.