Triple
T2395583
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Black Canyon |
E47642
|
entity |
| Predicate | contains |
P35
|
FINISHED |
| Object | Black Canyon Reservoir (Hoover Dam reservoir section) |
E40441
|
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: Black Canyon Reservoir (Hoover Dam reservoir section) | Statement: [Black Canyon, contains, Black Canyon Reservoir (Hoover Dam reservoir section)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Black Canyon Reservoir (Hoover Dam reservoir section) Context triple: [Black Canyon, contains, Black Canyon Reservoir (Hoover Dam reservoir section)]
-
A.
Lake Powell
Lake Powell is a large, man-made reservoir on the Colorado River known for its striking red-rock canyon scenery and recreational boating in the American Southwest.
-
B.
Lake Mead
chosen
Lake Mead is a large man-made reservoir on the Colorado River in the southwestern United States, known for supplying water and hydroelectric power to millions of people in the region.
-
C.
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.
-
D.
Flaming Gorge Reservoir
Flaming Gorge Reservoir is a large man-made lake on the Green River in Wyoming and Utah, known for its striking red-rock scenery, recreational boating and fishing, and role in regional water storage and hydropower.
-
E.
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.
- 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_69a88a1c450c81909f61abb8b6863885 |
completed | March 4, 2026, 7:38 p.m. |
| NER | Named-entity recognition | batch_69abc879b1b88190be8d0337d9a17bd0 |
completed | March 7, 2026, 6:40 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69aeb3dc44dc819099b8914b878c5638 |
completed | March 9, 2026, 11:49 a.m. |
Created at: March 4, 2026, 7:57 p.m.