Triple

T3554013
Position Surface form Disambiguated ID Type / Status
Subject Los Angeles River E75176 entity
Predicate managedBy P86 FINISHED
Object Los Angeles County Flood Control District
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.
 E367083 NE FINISHED

How this triple was built (4 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: [Los Angeles River, 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: [Los Angeles River, managedBy, Los Angeles County Flood Control District]
  • A. 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.
  • B. Alameda County Water District
    Alameda County Water District is a public water agency in California responsible for providing drinking water and related services to communities in southern Alameda County, including Fremont, Newark, and Union City.
  • C. Los Angeles Department of Water and Power
    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.
  • D. Contra Costa Water District
    Contra Costa Water District is a public water agency in California that supplies drinking and irrigation water to communities in and around Contra Costa County.
  • E. Valley Water
    Valley Water is a picturesque pond located within Brooklyn’s historic Green-Wood Cemetery, known for its tranquil scenery and surrounding monuments.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Los Angeles County Flood Control District
Triple: [Los Angeles River, managedBy, Los Angeles County Flood Control District]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Los Angeles County Flood Control District
Target entity description: 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.
  • A. 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.
  • B. Alameda County Water District
    Alameda County Water District is a public water agency in California responsible for providing drinking water and related services to communities in southern Alameda County, including Fremont, Newark, and Union City.
  • C. Los Angeles Department of Water and Power
    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.
  • D. Contra Costa Water District
    Contra Costa Water District is a public water agency in California that supplies drinking and irrigation water to communities in and around Contra Costa County.
  • E. Valley Water
    Valley Water is a picturesque pond located within Brooklyn’s historic Green-Wood Cemetery, known for its tranquil scenery and surrounding monuments.
  • F. None of above. chosen

Provenance (5 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_69ad85d33c6c819081d5ac1df13b5680 completed March 8, 2026, 2:21 p.m.
NER Named-entity recognition batch_69adc05549d88190acdebdd542ea1a67 completed March 8, 2026, 6:30 p.m.
NED1 Entity disambiguation (via context triple) batch_69b38beef8b4819090109ab89e9671d6 completed March 13, 2026, 4 a.m.
NEDg Description generation batch_69b38c84fc788190a074f14a76bb7944 completed March 13, 2026, 4:03 a.m.
NED2 Entity disambiguation (via description) batch_69b38cb872948190a75bc6d6829187c5 completed March 13, 2026, 4:04 a.m.
Created at: March 8, 2026, 3:20 p.m.