Triple
T18126203
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Duncan Dam |
E433880
|
entity |
| Predicate | isUpstreamOf |
P5955
|
FINISHED |
| Object | Columbia River mainstem dams in the United States |
—
|
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: Columbia River mainstem dams in the United States | Statement: [Duncan Dam, isUpstreamOf, Columbia River mainstem dams in the United States]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Columbia River mainstem dams in the United States Context triple: [Duncan Dam, isUpstreamOf, Columbia River mainstem dams in the United States]
-
A.
Columbia River hydropower system
chosen
The Columbia River hydropower system is an extensive network of dams and generating facilities that provides a major share of the Pacific Northwest’s electricity while also supporting irrigation, navigation, and flood control.
-
B.
Bonneville Dam vicinity on the Columbia River
The Bonneville Dam vicinity on the Columbia River is a major hydroelectric and navigation complex in the Columbia River Gorge, known for its historic dam, fish ladders, and scenic riverfront setting.
-
C.
Willamette Valley Project dams
The Willamette Valley Project dams are a network of U.S. Army Corps of Engineers flood-control and multipurpose dams in Oregon’s Willamette River Basin that provide flood risk management, hydropower, water supply, recreation, and environmental benefits.
-
D.
Coulee Dam, Washington
Coulee Dam, Washington is a small town in north-central Washington State best known as the community adjacent to the massive Grand Coulee Dam on the Columbia River.
-
E.
Columbia–Snake River lock system
The Columbia–Snake River lock system is a series of navigation locks and dams on the Columbia and Snake Rivers that enables barge traffic deep into the interior Pacific Northwest, supporting regional commerce, irrigation, and hydropower 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_69d8b909e8cc81908df4cc2b8ea6d11f |
completed | April 10, 2026, 8:47 a.m. |
| NER | Named-entity recognition | batch_69e4ddee1efc8190b04324b98de5c9d0 |
completed | April 19, 2026, 1:51 p.m. |
Created at: April 10, 2026, 10:29 a.m.