Triple

T19715460
Position Surface form Disambiguated ID Type / Status
Subject Ivanhoe Reservoir E473464 entity
Predicate managedBy P86 FINISHED
Object Los Angeles Department of Water and Power 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 | Statement: [Ivanhoe Reservoir, managedBy, Los Angeles Department of Water and Power]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Los Angeles Department of Water and Power
Context triple: [Ivanhoe Reservoir, managedBy, Los Angeles Department of Water and Power]
  • 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. Los Angeles City Water Company
    Los Angeles City Water Company was a private utility in Los Angeles that managed the city’s early water supply system before municipal control and the rise of the Los Angeles Department of Water and Power.
  • C. Sacramento Municipal Utility District
    Sacramento Municipal Utility District is a community-owned electric utility serving the Sacramento, California region, known for providing power and managing energy resources for local residents and businesses.
  • D. 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.
  • E. Southern California Edison
    Southern California Edison is one of the largest investor-owned electric utilities in the United States, providing power to millions of customers across much of Southern and Central California.
  • 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_69d8e516dd048190a0b6c93ea3e71f58 completed April 10, 2026, 11:55 a.m.
NER Named-entity recognition batch_69e6440cb47c81908124dfbd6f781d23 completed April 20, 2026, 3:19 p.m.
NED1 Entity disambiguation (via context triple) batch_6a07aba0a8948190afc7a943ba17b4a2 completed May 15, 2026, 11:26 p.m.
Created at: April 10, 2026, 1:46 p.m.