Triple
T5084935
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Warren A. Bechtel |
E114612
|
entity |
| Predicate | notableProject |
P4
|
FINISHED |
| Object | Hoover Dam (via Bechtel’s role in Six Companies, Inc.) |
E6243
|
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 (via Bechtel’s role in Six Companies, Inc.) | Statement: [Warren A. Bechtel, notableProject, Hoover Dam (via Bechtel’s role in Six Companies, Inc.)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Hoover Dam (via Bechtel’s role in Six Companies, Inc.) Context triple: [Warren A. Bechtel, notableProject, Hoover Dam (via Bechtel’s role in Six Companies, Inc.)]
-
A.
Boulder Canyon Project (through Bechtel involvement)
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.
-
B.
Bechtel National, Inc.
Bechtel National, Inc. is a major U.S. engineering, construction, and project management company known for large-scale government and environmental remediation projects.
-
C.
Bechtel Corporation
Bechtel Corporation is a major American engineering, construction, and project management company known for large-scale infrastructure and energy projects worldwide.
-
D.
Hoover Dam
chosen
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.
-
E.
Black & Veatch
Black & Veatch is a global engineering, consulting, and construction company specializing in infrastructure development in sectors such as energy, water, and telecommunications.
- 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_69bd443e941881908eb4e8c685b6f656 |
completed | March 20, 2026, 12:57 p.m. |
| NER | Named-entity recognition | batch_69bd75192d188190a7631bce5faf7de3 |
completed | March 20, 2026, 4:26 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69beb13a8be08190a0f1fc3aec224dde |
completed | March 21, 2026, 2:54 p.m. |
Created at: March 20, 2026, 1:40 p.m.