Triple
T21073952
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Colorado River (Nevada segment) |
E519182
|
entity |
| Predicate | governedBy |
P46
|
FINISHED |
| Object | Boulder Canyon Project Act |
—
|
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: Boulder Canyon Project Act | Statement: [Colorado River (Nevada segment), governedBy, Boulder Canyon Project Act]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Boulder Canyon Project Act Context triple: [Colorado River (Nevada segment), governedBy, Boulder Canyon Project Act]
-
A.
Boulder Canyon Project Act
chosen
The Boulder Canyon Project Act is a 1928 U.S. federal law that authorized the construction of Hoover Dam and the All-American Canal, enabling large-scale water storage and hydroelectric power development on the Colorado River.
-
B.
Colorado River Basin Project Act
The Colorado River Basin Project Act is a 1968 U.S. federal law that authorized major water development projects in the Colorado River Basin, including the Central Arizona Project, to support water supply, irrigation, and regional growth in the American Southwest.
-
C.
Colorado River Storage Project Act
The Colorado River Storage Project Act is a U.S. federal law that authorized a system of dams, reservoirs, and related works on the Colorado River and its tributaries to provide water storage, hydroelectric power, and river regulation in the Upper Basin states.
-
D.
Bonneville Project Act of 1937
The Bonneville Project Act of 1937 is a U.S. federal law that created the Bonneville Power Administration and established the framework for marketing and transmitting hydroelectric power from the Columbia River dams in the Pacific Northwest.
-
E.
Boulder Canyon Project
The Boulder Canyon Project was a major U.S. federal public works initiative of the early 20th century that authorized and funded the construction of Hoover Dam and related infrastructure on the Colorado River for flood control, irrigation, and hydroelectric power.
- 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_69e0b506e59c8190849b71ed07929215 |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e702d491a08190a9f5f28c0b72d38c |
completed | April 21, 2026, 4:53 a.m. |
Created at: April 16, 2026, 2:48 p.m.