Triple
T21820350
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Machhu Dam |
E538708
|
entity |
| Predicate | knownFor |
P22
|
FINISHED |
| Object | Machhu Dam failure of 1979 |
—
|
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: Machhu Dam failure of 1979 | Statement: [Machhu Dam, knownFor, Machhu Dam failure of 1979]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Machhu Dam failure of 1979 Context triple: [Machhu Dam, knownFor, Machhu Dam failure of 1979]
-
A.
Terzaghi Dam
Terzaghi Dam is a major hydroelectric dam on British Columbia’s Bridge River, forming part of the Bridge River Power Project.
-
B.
Machhu Dam
chosen
Machhu Dam is a major irrigation and flood-control dam on the Machhu River near Morbi in Gujarat, India, historically known for the catastrophic failure of one of its structures in 1979.
-
C.
Aji-IV Dam
Aji-IV Dam is a water reservoir and irrigation dam built on the Aji River in Gujarat, India, primarily serving regional water supply and agricultural needs.
-
D.
Ralco Dam
Ralco Dam is a major hydroelectric power plant in Chile, known for its large reservoir and controversial impact on the local environment and indigenous communities.
-
E.
Kakhovka Dam
Kakhovka Dam was a major Soviet-era hydroelectric and irrigation dam on the Dnieper River in southern Ukraine, crucial for regional water supply, agriculture, and power generation.
- 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_69e0c475038c8190abb9b1a20eb8ff50 |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69f0912d414c81909c109c3e45b6e7d2 |
completed | April 28, 2026, 10:51 a.m. |
Created at: April 16, 2026, 6:54 p.m.