Triple
T9180738
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Asahan River |
E220320
|
entity |
| Predicate | source |
P409
|
FINISHED |
| Object | Lake Toba |
E94199
|
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 | Statement: [Asahan River, source, Lake Toba]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lake Toba Context triple: [Asahan River, source, 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.
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.
-
D.
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.
-
E.
Lagoa Rasa
Lagoa Rasa is a small volcanic crater lake on Flores Island in Portugal’s Azores archipelago, known for its tranquil setting and lush surrounding landscapes.
- 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_69ca83e589948190ac9907819db11ddf |
completed | March 30, 2026, 2:08 p.m. |
| NER | Named-entity recognition | batch_69ccc251da448190a5c7f684dac15a84 |
completed | April 1, 2026, 6:59 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d054b5512c8190aa7909ef8b56b186 |
completed | April 4, 2026, midnight |
Created at: March 30, 2026, 7:23 p.m.