Triple
T12584735
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lahontan Reservoir |
E300425
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | U.S. Bureau of Reclamation |
E12453
|
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: U.S. Bureau of Reclamation | Statement: [Lahontan Reservoir, operator, U.S. Bureau of Reclamation]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: U.S. Bureau of Reclamation Context triple: [Lahontan Reservoir, operator, U.S. Bureau of Reclamation]
-
A.
Bureau of Reclamation
chosen
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.
-
B.
Division of Reclamation
The Division of Reclamation is a unit of Indiana’s state government responsible for overseeing the restoration and regulation of lands affected by mining and related resource extraction activities.
-
C.
Colorado River Commission
The Colorado River Commission was an interstate body formed in the early 20th century to represent basin states and negotiate the allocation and management of the Colorado River’s waters.
-
D.
Natural Resources Conservation Service
The Natural Resources Conservation Service is a U.S. federal agency that provides technical and financial assistance to farmers, ranchers, and landowners to conserve soil, water, and other natural resources on private lands.
-
E.
U.S. Army Corps of Engineers
The U.S. Army Corps of Engineers is a federal agency within the U.S. Department of Defense responsible for designing, building, and maintaining military and civil engineering projects such as dams, waterways, and infrastructure.
- 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_69d7bde87b648190bcd0266e9efde098 |
completed | April 9, 2026, 2:55 p.m. |
| NER | Named-entity recognition | batch_69d954bac9708190ad8f277e7751bf5c |
completed | April 10, 2026, 7:51 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f65ebcfca8819083c26a3d5f94ccdf |
completed | May 2, 2026, 8:29 p.m. |
Created at: April 9, 2026, 5:04 p.m.