Triple

T6364340

Position	Surface form	Disambiguated ID	Type / Status
Subject	Los Angeles County Board of Supervisors	`E143187`	entity
Predicate	supervises	`P258`	FINISHED
Object	Los Angeles County Department of Public Works The Los Angeles County Department of Public Works is the county’s primary public infrastructure agency, responsible for services such as road maintenance, flood control, water resources, and other essential public works across Los Angeles County.	`E588463`	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 Department of Public Works | Statement: [Los Angeles County Board of Supervisors, supervises, Los Angeles County Department of Public Works]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Los Angeles County Department of Public Works
Context triple: [Los Angeles County Board of Supervisors, supervises, Los Angeles County Department of Public Works]

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. Los Angeles Bureau of Sanitation
The Los Angeles Bureau of Sanitation is the city department responsible for managing wastewater, solid waste, and environmental protection services for Los Angeles residents.
C. 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.
D. Los Angeles Department of City Planning
The Los Angeles Department of City Planning is the municipal agency responsible for guiding land use, development, and long-term urban planning policy for the City of Los Angeles.
E. Los Angeles County Department of Parks and Recreation
The Los Angeles County Department of Parks and Recreation is the county agency responsible for operating and maintaining a vast network of regional parks, gardens, trails, and recreational facilities throughout Los Angeles County.
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 Department of Public Works
Triple: [Los Angeles County Board of Supervisors, supervises, Los Angeles County Department of Public Works]

Generated description

The Los Angeles County Department of Public Works is the county’s primary public infrastructure agency, responsible for services such as road maintenance, flood control, water resources, and other essential public works across Los Angeles County.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Los Angeles County Department of Public Works
Target entity description: The Los Angeles County Department of Public Works is the county’s primary public infrastructure agency, responsible for services such as road maintenance, flood control, water resources, and other essential public works across 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. Los Angeles Bureau of Sanitation
The Los Angeles Bureau of Sanitation is the city department responsible for managing wastewater, solid waste, and environmental protection services for Los Angeles residents.
C. 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.
D. Los Angeles Department of City Planning
The Los Angeles Department of City Planning is the municipal agency responsible for guiding land use, development, and long-term urban planning policy for the City of Los Angeles.
E. Los Angeles County Department of Parks and Recreation
The Los Angeles County Department of Parks and Recreation is the county agency responsible for operating and maintaining a vast network of regional parks, gardens, trails, and recreational facilities throughout Los Angeles County.
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_69c008d8c61081908bcaf61510d881ed`	completed	March 22, 2026, 3:20 p.m.
NER	Named-entity recognition	`batch_69c0680ed0148190b6e310b15b3449ff`	completed	March 22, 2026, 10:07 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69c62d7a1cbc8190a27a0a8e8b466ad5`	completed	March 27, 2026, 7:10 a.m.
NEDg	Description generation	`batch_69c62ebcd35481909acd54a5b41f99aa`	completed	March 27, 2026, 7:16 a.m.
NED2	Entity disambiguation (via description)	`batch_69c62f5024148190915c9495a9e204b1`	completed	March 27, 2026, 7:18 a.m.

Created at: March 22, 2026, 4:32 p.m.