Triple
T16259724
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Samosir Island |
E394722
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | Lake Toba caldera |
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 | Statement: [Samosir Island, partOf, Lake Toba caldera]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lake Toba caldera Context triple: [Samosir Island, partOf, Lake Toba caldera]
-
A.
Lake Toba
Lake Toba is a vast volcanic crater lake in northern Sumatra, Indonesia, renowned as one of the world’s largest and deepest volcanic lakes and a major natural and cultural tourism destination.
-
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.
Toba
Toba is a coastal city in central Japan’s Mie Prefecture, known for its pearl cultivation, scenic bays, and maritime heritage.
-
D.
Toba
Toba was a 12th-century Japanese emperor of the late Heian period whose reign and later cloistered rule significantly influenced imperial politics.
-
E.
Tengger caldera
Tengger caldera is a vast volcanic crater in East Java, Indonesia, famous for its dramatic landscape that includes the active Mount Bromo and attracts many tourists and photographers.
- 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_69d87f221d8081909b0b2063e7528ba2 |
completed | April 10, 2026, 4:40 a.m. |
| NER | Named-entity recognition | batch_69e245c3082c8190a1c9f92b255fdbb6 |
completed | April 17, 2026, 2:37 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0017b3b48c8190ad0043d730b1da35 |
completed | May 10, 2026, 5:29 a.m. |
Created at: April 10, 2026, 5:04 a.m.