Triple
T303329
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Hoover Dam |
E6243
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object |
Boulder Canyon Project
The Boulder Canyon Project was a major U.S. federal public works initiative of the early 20th century that authorized construction of Hoover Dam and related infrastructure to control the Colorado River, provide irrigation water, and generate hydroelectric power.
|
E6243
|
NE FINISHED |
How this triple was built (4 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 | Statement: [Hoover Dam, partOf, Boulder Canyon Project]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Boulder Canyon Project Context triple: [Hoover Dam, partOf, Boulder Canyon 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.
Grand Coulee Dam
Grand Coulee Dam is a massive concrete gravity dam on the Columbia River in Washington State, renowned as one of the largest power-producing facilities in the United States and a landmark of New Deal–era infrastructure.
-
C.
Central Valley Project
The Central Valley Project is a large-scale federal water management system in California that stores and delivers water for agriculture, cities, and environmental uses across the Central Valley.
-
D.
State Water Project
The State Water Project is a massive California water storage and delivery system that transports water from northern sources to agricultural, urban, and industrial users across the state, including the Central Valley.
-
E.
Bureau of Reclamation
The Bureau of Reclamation is a U.S. federal agency responsible for managing water resources and operating dams, reservoirs, and irrigation projects primarily in the western United States.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Boulder Canyon Project Triple: [Hoover Dam, partOf, Boulder Canyon Project]
Generated description
The Boulder Canyon Project was a major U.S. federal public works initiative of the early 20th century that authorized construction of Hoover Dam and related infrastructure to control the Colorado River, provide irrigation water, and generate hydroelectric power.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Boulder Canyon Project Target entity description: The Boulder Canyon Project was a major U.S. federal public works initiative of the early 20th century that authorized construction of Hoover Dam and related infrastructure to control the Colorado River, provide irrigation water, and generate hydroelectric power.
-
A.
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.
-
B.
Grand Coulee Dam
Grand Coulee Dam is a massive concrete gravity dam on the Columbia River in Washington State, renowned as one of the largest power-producing facilities in the United States and a landmark of New Deal–era infrastructure.
-
C.
Central Valley Project
The Central Valley Project is a large-scale federal water management system in California that stores and delivers water for agriculture, cities, and environmental uses across the Central Valley.
-
D.
State Water Project
The State Water Project is a massive California water storage and delivery system that transports water from northern sources to agricultural, urban, and industrial users across the state, including the Central Valley.
-
E.
Bureau of Reclamation
The Bureau of Reclamation is a U.S. federal agency responsible for managing water resources and operating dams, reservoirs, and irrigation projects primarily in the western United States.
- F. None of above.
Provenance (5 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_69a2e79230508190b912ecb555aae17e |
completed | Feb. 28, 2026, 1:03 p.m. |
| NER | Named-entity recognition | batch_69a2ea0eec708190a0af9b27bf1f016a |
completed | Feb. 28, 2026, 1:13 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a3c8b480388190b5f7f9e11479de91 |
completed | March 1, 2026, 5:03 a.m. |
| NEDg | Description generation | batch_69a3c91e8b88819099e54b7869cc293d |
completed | March 1, 2026, 5:05 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a3c9731df881908e342ace3635b5cc |
completed | March 1, 2026, 5:06 a.m. |
Created at: Feb. 28, 2026, 1:06 p.m.