Triple
T4302622
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Barisan Mountains |
E99875
|
entity |
| Predicate | contains |
P35
|
FINISHED |
| Object | Lake Toba caldera margins |
E425132
|
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: Lake Toba caldera margins | Statement: [Barisan Mountains, contains, Lake Toba caldera margins]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lake Toba caldera margins Context triple: [Barisan Mountains, contains, Lake Toba caldera margins]
-
A.
Toba Caldera Geopark
Toba Caldera Geopark is a UNESCO-recognized volcanic geopark in North Sumatra, Indonesia, centered on the vast supervolcanic caldera that hosts Lake Toba and Samosir Island.
-
B.
Toba Caldera
chosen
Toba Caldera is a massive volcanic supervolcano in northern Sumatra, Indonesia, known for one of the largest explosive eruptions in Earth’s history and now largely filled by Lake Toba.
-
C.
Toya caldera
Toya caldera is a large volcanic caldera in Hokkaido, Japan, known for its scenic lake, hot springs, and frequent volcanic activity.
-
D.
Tao-Rusyr Caldera
Tao-Rusyr Caldera is a large volcanic caldera and prominent geological feature located on Onekotan Island in Russia’s Kuril Island chain.
-
E.
Pico Volcanic Complex
Pico Volcanic Complex is a large volcanic system on Pico Island in the Azores, encompassing Mount Pico and its surrounding volcanic structures and lava fields.
- 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_69b345528ebc8190b5abc7e95094792d |
completed | March 12, 2026, 10:59 p.m. |
| NER | Named-entity recognition | batch_69b350b66450819089c9ff6ff9f045e5 |
completed | March 12, 2026, 11:48 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b5c74d59688190820cef42c4228a3a |
completed | March 14, 2026, 8:38 p.m. |
Created at: March 12, 2026, 11:08 p.m.