Triple
T17460289
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Toba Caldera |
E425132
|
entity |
| Predicate | namedAfter |
P63
|
FINISHED |
| Object | Lake Toba |
—
|
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: Lake Toba | Statement: [Toba Caldera, namedAfter, Lake Toba]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lake Toba Context triple: [Toba Caldera, namedAfter, Lake Toba]
-
A.
Lake Toba
chosen
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
Toba is a coastal city in central Japan’s Mie Prefecture, known for its pearl cultivation, scenic bays, and maritime heritage.
-
C.
Toba
Toba was a 12th-century Japanese emperor of the late Heian period whose reign and later cloistered rule significantly influenced imperial politics.
-
D.
Temengor Lake
Temengor Lake is a large man-made reservoir in northern Perak, Malaysia, known for its scenic rainforest surroundings and role as a key freshwater and biodiversity area within the Belum-Temengor forest complex.
-
E.
Ijen Crater Lake
Ijen Crater Lake is a highly acidic turquoise volcanic lake in East Java, Indonesia, famous for its sulfur mining and striking blue fire phenomena.
- 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_69d889db0ba481908402409af3b37917 |
completed | April 10, 2026, 5:25 a.m. |
| NER | Named-entity recognition | batch_69e451a3031c8190ab1dd0d41b002dd2 |
completed | April 19, 2026, 3:53 a.m. |
Created at: April 10, 2026, 5:47 a.m.