Triple
T5026619
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Boulder Canyon Project |
E113190
|
entity |
| Predicate | alsoKnownAs |
P39
|
FINISHED |
| Object | Hoover Dam project |
E113190
|
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: Hoover Dam project | Statement: [Boulder Canyon Project, alsoKnownAs, Hoover Dam project]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Hoover Dam project Context triple: [Boulder Canyon Project, alsoKnownAs, Hoover Dam project]
-
A.
Hoover Dam
Hoover Dam is a massive concrete arch-gravity dam on the Colorado River, renowned as a landmark feat of 20th-century American engineering and a major source of hydroelectric power and water management in the Southwest.
-
B.
Davis Dam
Davis Dam is a concrete gravity-arch dam on the Colorado River between Nevada and Arizona that forms Lake Mohave and helps regulate water releases from Hoover Dam.
-
C.
Columbia Basin Project
The Columbia Basin Project is a large-scale irrigation and hydroelectric development in central Washington State that distributes water and power from the Grand Coulee Dam to support agriculture, industry, and communities across the region.
-
D.
Truckee-Carson Project
The Truckee-Carson Project is a major U.S. federal water management and irrigation initiative in western Nevada that diverts and distributes water from the Truckee and Carson rivers to support agriculture and regional development.
-
E.
Boulder Canyon Project (through Bechtel involvement)
chosen
The Boulder Canyon Project is the major U.S. public works initiative that led to the construction of Hoover Dam on the Colorado River, a landmark engineering feat in which Bechtel played a key contracting role.
- 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_69bd443775e48190a646ffbfc4334723 |
completed | March 20, 2026, 12:57 p.m. |
| NER | Named-entity recognition | batch_69bd738c3aac81908fb6a5c70c97a394 |
completed | March 20, 2026, 4:19 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69bea475eb3481909c5132b7f2d570cb |
completed | March 21, 2026, 2 p.m. |
Created at: March 20, 2026, 1:36 p.m.