Triple
T1874551
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | U.S. Route 93 (historically) |
E39111
|
entity |
| Predicate | notableFeature |
P105
|
FINISHED |
| Object | Hoover Dam crossing of the Colorado River |
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 crossing of the Colorado River | Statement: [U.S. Route 93 (historically), notableFeature, Hoover Dam crossing of the Colorado River]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Hoover Dam crossing of the Colorado River Context triple: [U.S. Route 93 (historically), notableFeature, Hoover Dam crossing of the Colorado River]
-
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.
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.
Roosevelt Dam
Roosevelt Dam is a historic masonry and concrete arch dam on Arizona’s Salt River, built in the early 20th century to provide water storage, flood control, and hydroelectric power for the region.
-
D.
Glen Canyon Dam
Glen Canyon Dam is a massive concrete arch-gravity dam on the Colorado River in northern Arizona that created Lake Powell and plays a major role in water storage and hydroelectric power generation in the American Southwest.
-
E.
Red Rock Dam
Red Rock Dam is a large flood-control and hydroelectric dam on the Des Moines River in central Iowa, forming Lake Red Rock as the state’s largest reservoir.
- 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_69a8862f7074819096afe7fe65e179e9 |
completed | March 4, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69abb0d7934c8190a2919efbb1e86755 |
completed | March 7, 2026, 5 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69adeae228008190a0d427c74fd37511 |
completed | March 8, 2026, 9:32 p.m. |
Created at: March 4, 2026, 7:34 p.m.