Triple
T488804
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lake Mead National Recreation Area |
E9939
|
entity |
| Predicate | containsStructure |
P841
|
FINISHED |
| Object | Hoover Dam |
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 | Statement: [Lake Mead National Recreation Area, containsStructure, Hoover Dam]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Hoover Dam Context triple: [Lake Mead National Recreation Area, containsStructure, Hoover Dam]
-
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.
Folsom Dam
Folsom Dam is a large concrete dam on the American River in California that provides flood control, water storage, and hydroelectric power for the Sacramento region.
-
D.
Shasta Dam
Shasta Dam is a large concrete gravity dam on California’s Sacramento River, forming Shasta Lake and serving as a key source of water storage, hydroelectric power, and flood control for the state.
-
E.
Trinity Dam
Trinity Dam is a major earthfill dam on the Trinity River in Northern California, forming Trinity Lake and providing water storage, hydroelectric power, and flood control as part of the state’s large federal water management system.
- 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_69a2e802e2908190ab17c9479e0b6412 |
completed | Feb. 28, 2026, 1:05 p.m. |
| NER | Named-entity recognition | batch_69a2f0df764481909811d9483dfbc4aa |
completed | Feb. 28, 2026, 1:42 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a4b8a96a188190b7a6be463de3d736 |
completed | March 1, 2026, 10:07 p.m. |
Created at: Feb. 28, 2026, 1:12 p.m.