Triple

T18339004
Position Surface form Disambiguated ID Type / Status
Subject Tujunga Wash E439349 entity
Predicate managedBy P86 FINISHED
Object Los Angeles County Flood Control District — NE NERFINISHED

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 County Flood Control District | Statement: [Tujunga Wash, managedBy, Los Angeles County Flood Control District]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Los Angeles County Flood Control District
Context triple: [Tujunga Wash, managedBy, Los Angeles County Flood Control District]
  • A. Los Angeles County Flood Control District chosen
    The Los Angeles County Flood Control District is a public agency responsible for regional flood protection, stormwater management, and water conservation infrastructure throughout Los Angeles County.
  • B. Riverside County Flood Control and Water Conservation District
    The Riverside County Flood Control and Water Conservation District is a local government agency in Riverside County, California, responsible for regional flood control, stormwater management, and water conservation infrastructure and planning.
  • C. Orange County Flood Control District
    The Orange County Flood Control District is a public agency responsible for managing flood control infrastructure and water resources in Orange County, California, as part of the broader Southern California hydrologic system.
  • D. Sacramento Area Flood Control Agency
    The Sacramento Area Flood Control Agency is a regional governmental body responsible for planning, funding, and implementing flood protection and levee improvement projects in the Sacramento, California area.
  • E. 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.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69d8b9175fec8190af865699b4e64d8c completed April 10, 2026, 8:47 a.m.
NER Named-entity recognition batch_69e50ed07db48190a15e957c96b1c5bf completed April 19, 2026, 5:20 p.m.
Created at: April 10, 2026, 10:37 a.m.