Triple
T6297786
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Marsili Seamount |
E141173
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | Southern Tyrrhenian back-arc basin |
E557622
|
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: Southern Tyrrhenian back-arc basin | Statement: [Marsili Seamount, partOf, Southern Tyrrhenian back-arc basin]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Southern Tyrrhenian back-arc basin Context triple: [Marsili Seamount, partOf, Southern Tyrrhenian back-arc basin]
-
A.
Tyrrhenian back-arc basin system
chosen
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.
-
B.
Aegean back-arc extension
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.
-
C.
Ryukyu back-arc basin
The Ryukyu back-arc basin is a seafloor spreading region behind the Ryukyu island arc, formed by the subduction of the Philippine Sea Plate beneath the Eurasian Plate and characterized by active tectonism and volcanism.
-
D.
Ionian Basin
The Ionian Basin is a deep submarine depression in the eastern Mediterranean Sea, forming part of the Ionian Sea’s seafloor between southern Italy, Greece, and North Africa.
-
E.
Ptolemaida Basin
The Ptolemaida Basin is a lignite-rich geological and industrial region in northern Greece known for its extensive open-pit coal mining and power generation activities.
- 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_69c008cdf2ac8190bb640c94478fb4ed |
completed | March 22, 2026, 3:20 p.m. |
| NER | Named-entity recognition | batch_69c0643bd0748190af7abbebb6f94242 |
completed | March 22, 2026, 9:50 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c51993b8ec8190a0813d66851ac201 |
completed | March 26, 2026, 11:33 a.m. |
Created at: March 22, 2026, 4:27 p.m.