Triple

T6662139
Position Surface form Disambiguated ID Type / Status
Subject Truckee-Carson Project E151501 entity
Predicate includesFacility P12416 FINISHED
Object Lahontan Reservoir E300425 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Lahontan Reservoir | Statement: [Truckee-Carson Project, includesFacility, Lahontan Reservoir]

Disambiguation candidates (1 decision)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Lahontan Reservoir
Context triple: [Truckee-Carson Project, includesFacility, Lahontan Reservoir]
  • A. Lahontan Reservoir chosen
    Lahontan Reservoir is a large man-made lake in western Nevada that serves as a key water storage and recreation area formed by the Carson River.
  • B. Ruza Reservoir
    Ruza Reservoir is a large artificial lake in the Moscow region of Russia, created by damming the Ruza River to serve as a key source of water supply and recreation.
  • C. Rur Reservoir
    Rur Reservoir is a large artificial lake in Germany’s Eifel region, known for its scenic surroundings, recreational activities, and role in regional water management.
  • D. Ivanhoe Reservoir
    Ivanhoe Reservoir is a small urban water reservoir in the Silver Lake neighborhood of Los Angeles, California, that forms part of the local municipal water storage system.
  • E. Foziling Reservoir
    Foziling Reservoir is a major multipurpose water conservancy project in Anhui Province, China, known for flood control, irrigation, and water supply within the Huai River basin.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

Stage Batch ID Job type Status
creating batch_69c687f5fac48190a09e4838d9c6b45d elicitation completed
NER batch_69c6b097e0e481909251443f9ce0b85a ner completed
NED1 batch_69c700755874819083cd0facebd7aa3d ned_source_triple completed
Created at: March 27, 2026, 2:02 p.m.