Triple

T13413994
Position Surface form Disambiguated ID Type / Status
Subject Lower Owens River Project E313161 entity
Predicate managingEntity P9686 FINISHED
Object Los Angeles Department of Water and Power (project partner) E71553 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: Los Angeles Department of Water and Power (project partner) | Statement: [Lower Owens River Project, managingEntity, Los Angeles Department of Water and Power (project partner)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Los Angeles Department of Water and Power (project partner)
Context triple: [Lower Owens River Project, managingEntity, Los Angeles Department of Water and Power (project partner)]
  • A. Los Angeles Department of Water and Power chosen
    The Los Angeles Department of Water and Power is the largest municipal utility in the United States, providing water and electricity to the City of Los Angeles and overseeing key regional water resources.
  • B. City of Los Angeles Department of Public Works
    The City of Los Angeles Department of Public Works is the municipal agency responsible for planning, building, and maintaining the city’s public infrastructure and essential services, including streets, sanitation, and public facilities.
  • C. Metropolitan Water District of Southern California
    The Metropolitan Water District of Southern California is a regional wholesale water agency that imports, manages, and distributes water supplies to numerous cities and local water districts across Southern California.
  • D. Los Angeles Regional Water Quality Control Board
    The Los Angeles Regional Water Quality Control Board is a regional environmental regulatory agency responsible for protecting and improving water quality in the Los Angeles area under California’s statewide water governance system.
  • E. City of Los Angeles Bureau of Engineering
    The City of Los Angeles Bureau of Engineering is the city’s lead public works and infrastructure design agency, responsible for planning, designing, and managing major streets, bridges, and other civic facilities.
  • 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_69d806ad0c44819088833ae1ec9e9690 completed April 9, 2026, 8:06 p.m.
NER Named-entity recognition batch_69dbaeb556948190af008c88e5bbf051 completed April 12, 2026, 2:39 p.m.
NED1 Entity disambiguation (via context triple) batch_69f7307e9b5881908eb2cd9e4fa7c5f2 completed May 3, 2026, 11:24 a.m.
Created at: April 9, 2026, 9:39 p.m.