Triple
T488801
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lake Mead National Recreation Area |
E9939
|
entity |
| Predicate | containsBodyOfWater |
P1778
|
FINISHED |
| Object | Lake Mead |
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: Lake Mead | Statement: [Lake Mead National Recreation Area, containsBodyOfWater, Lake Mead]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lake Mead Context triple: [Lake Mead National Recreation Area, containsBodyOfWater, Lake Mead]
-
A.
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.
-
B.
Lake Mohave
Lake Mohave is a large reservoir on the Colorado River along the Arizona–Nevada border, popular for boating, fishing, and other water recreation within the Lake Mead National Recreation Area.
-
C.
Lake Mead National Recreation Area
Lake Mead National Recreation Area is a vast protected landscape in the American Southwest centered on the reservoirs of the Colorado River, offering desert scenery, water-based recreation, and wildlife habitat.
-
D.
San Luis Reservoir
San Luis Reservoir is a large artificial lake in California that serves as a major water storage facility for irrigation and municipal use in the state’s Central Valley.
-
E.
Pyramid Lake
Pyramid Lake is a large desert lake in northwestern Nevada known for its striking pyramid-shaped tufa formations and cultural significance to the Pyramid Lake Paiute Tribe.
- 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_69a4b5d3b5f0819093c5d55bdf5a7c4d |
completed | March 1, 2026, 9:55 p.m. |
Created at: Feb. 28, 2026, 1:12 p.m.