Triple
T1840608
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sumatra subduction zone |
E41168
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | Sunda arc |
E123202
|
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: Sunda arc | Statement: [Sumatra subduction zone, partOf, Sunda arc]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Sunda arc Context triple: [Sumatra subduction zone, partOf, Sunda arc]
-
A.
Sunda Arc
chosen
The Sunda Arc is a major volcanic island arc in Indonesia formed by the subduction of the Indo-Australian Plate beneath the Eurasian Plate, hosting numerous active volcanoes across Sumatra, Java, and the Lesser Sunda Islands.
-
B.
Sunda Trench
The Sunda Trench is a deep oceanic trench in the eastern Indian Ocean off the coasts of Sumatra and Java, formed by the subduction of the Indo-Australian Plate beneath the Eurasian Plate.
-
C.
Greater Sunda Islands
The Greater Sunda Islands are a major group of large islands in maritime Southeast Asia, including Java, Sumatra, Borneo, and Sulawesi, known for their rich biodiversity and dense human populations.
-
D.
Sunda Plate
The Sunda Plate is a minor tectonic plate in Southeast Asia that underlies much of Indonesia and surrounding regions, interacting with several neighboring plates and contributing to the area's high seismic and volcanic activity.
-
E.
Izu–Bonin Arc
The Izu–Bonin Arc is a volcanic island arc in the western Pacific Ocean formed by subduction along the boundary of the Philippine Sea Plate, stretching south from Japan’s Izu Peninsula toward the Mariana Islands.
- 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_69a88647f9388190909bc36e795bdaec |
completed | March 4, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69abb03c5e8081909578eaba8d82c264 |
completed | March 7, 2026, 4:57 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69adc9bb92a88190a00b102d3be0383c |
completed | March 8, 2026, 7:10 p.m. |
Created at: March 4, 2026, 7:33 p.m.