Triple
T22420384
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Central Highlands of Sri Lanka |
E554228
|
entity |
| Predicate | contains |
P35
|
FINISHED |
| Object | Kelani River headwaters |
—
|
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: Kelani River headwaters | Statement: [Central Highlands of Sri Lanka, contains, Kelani River headwaters]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Kelani River headwaters Context triple: [Central Highlands of Sri Lanka, contains, Kelani River headwaters]
-
A.
Kelani River basin
The Kelani River basin is a major river catchment area in western Sri Lanka that supports dense populations, agriculture, and industry while providing a key source of water and hydropower.
-
B.
Kelani River
chosen
The Kelani River is one of Sri Lanka’s major rivers, flowing from the central highlands through key urban areas including Colombo before emptying into the Indian Ocean.
-
C.
Karamea River headwaters
The Karamea River headwaters are the remote, pristine upper reaches of the Karamea River located in New Zealand’s Kahurangi National Park, known for their rugged wilderness and scenic backcountry tramping areas.
-
D.
Makalia River
The Makalia River is a watercourse in Kenya that flows through the Lake Nakuru region, contributing to the lake’s ecosystem within the Great Rift Valley.
-
E.
Anahulu Stream
Anahulu Stream is a freshwater stream on the North Shore of Oahu, Hawaii, known for flowing through the town of Haleiwa before emptying into Waialua Bay.
- 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_69e11e4f2d0c819091aa3558ea2ee630 |
completed | April 16, 2026, 5:37 p.m. |
| NER | Named-entity recognition | batch_69f1594a58508190b41fd16c8de5f8b4 |
completed | April 29, 2026, 1:05 a.m. |
Created at: April 16, 2026, 8:46 p.m.