Triple

T463151
Position Surface form Disambiguated ID Type / Status
Subject Lake Tahoe Basin E7384 entity
Predicate hasProtectedArea P855 FINISHED
Object Lake Tahoe Basin Management Unit E44141 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 Tahoe Basin Management Unit | Statement: [Lake Tahoe Basin, hasProtectedArea, Lake Tahoe Basin Management Unit]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Lake Tahoe Basin Management Unit
Context triple: [Lake Tahoe Basin, hasProtectedArea, Lake Tahoe Basin Management Unit]
  • A. Lake Tahoe Basin Management Unit chosen
    The Lake Tahoe Basin Management Unit is a U.S. Forest Service administrative unit responsible for managing federal lands and natural resources in the Lake Tahoe Basin region.
  • B. Lake Tahoe Basin
    The Lake Tahoe Basin is a high-altitude watershed in the Sierra Nevada centered on Lake Tahoe, renowned for its clear alpine lake, surrounding forests, and year-round outdoor recreation.
  • C. Lake Tahoe Nevada State Park
    Lake Tahoe Nevada State Park is a scenic protected area on the Nevada side of Lake Tahoe, known for its clear blue waters, sandy beaches, granite boulders, and popular recreation spots like Sand Harbor.
  • D. Tahoe National Forest
    Tahoe National Forest is a large U.S. national forest in the northern Sierra Nevada of California, known for its alpine landscapes, extensive recreation opportunities, and diverse wildlife habitats.
  • E. Tahoe Regional Planning Agency
    The Tahoe Regional Planning Agency is a bi-state regulatory body responsible for coordinating environmental protection, land use, and development planning in the Lake Tahoe Basin.
  • 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_69a2e7e5c5bc8190a1dc8178218fba40 completed Feb. 28, 2026, 1:04 p.m.
NER Named-entity recognition batch_69a2efc214788190a8dff20fec4412e0 completed Feb. 28, 2026, 1:38 p.m.
NED1 Entity disambiguation (via context triple) batch_69a46c5a949081908e05f0b61795004f completed March 1, 2026, 4:42 p.m.
Created at: Feb. 28, 2026, 1:12 p.m.