Triple

T3834507

Position	Surface form	Disambiguated ID	Type / Status
Subject	Placer County Board of Supervisors	`E91095`	entity
Predicate	meetsAt	`P373`	FINISHED
Object	Placer County Administrative Center The Placer County Administrative Center is the primary government complex that houses the main offices and chambers for conducting Placer County’s official administrative and legislative business.	`E393962`	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: Placer County Administrative Center | Statement: [Placer County Board of Supervisors, meetsAt, Placer County Administrative Center]

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

Target entity: Placer County Administrative Center
Context triple: [Placer County Board of Supervisors, meetsAt, Placer County Administrative Center]

A. Placer County government
Placer County government is the local administrative authority responsible for providing public services, governance, and regional planning for communities within Placer County, California.
B. Placer County Board of Supervisors
The Placer County Board of Supervisors is the elected governing body responsible for setting policy, passing local ordinances, and overseeing the administration and budget of Placer County, California.
C. Placer County Public Works Department
The Placer County Public Works Department is the county agency responsible for planning, building, and maintaining Placer County’s transportation, road, and related public infrastructure systems.
D. Sacramento County Administration Center
The Sacramento County Administration Center is the primary government complex in Sacramento that houses county offices and serves as the central venue for official county business and public meetings.
E. Placer County
Placer County is a county in Northern California that stretches from the suburbs of the Sacramento metropolitan area into the Sierra Nevada, including parts of Lake Tahoe.
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: Placer County Administrative Center
Triple: [Placer County Board of Supervisors, meetsAt, Placer County Administrative Center]

Generated description

The Placer County Administrative Center is the primary government complex that houses the main offices and chambers for conducting Placer County’s official administrative and legislative business.

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

Target entity: Placer County Administrative Center
Target entity description: The Placer County Administrative Center is the primary government complex that houses the main offices and chambers for conducting Placer County’s official administrative and legislative business.

A. Placer County government
Placer County government is the local administrative authority responsible for providing public services, governance, and regional planning for communities within Placer County, California.
B. Placer County Board of Supervisors
The Placer County Board of Supervisors is the elected governing body responsible for setting policy, passing local ordinances, and overseeing the administration and budget of Placer County, California.
C. Placer County Public Works Department
The Placer County Public Works Department is the county agency responsible for planning, building, and maintaining Placer County’s transportation, road, and related public infrastructure systems.
D. Sacramento County Administration Center
The Sacramento County Administration Center is the primary government complex in Sacramento that houses county offices and serves as the central venue for official county business and public meetings.
E. Placer County
Placer County is a county in Northern California that stretches from the suburbs of the Sacramento metropolitan area into the Sierra Nevada, including parts of Lake Tahoe.
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_69aed960b538819096561c8ed448dec9`	completed	March 9, 2026, 2:29 p.m.
NER	Named-entity recognition	`batch_69aeeb8a27688190866bc41441e2260c`	completed	March 9, 2026, 3:47 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69b503ffab6c81909d64a11511693c1f`	completed	March 14, 2026, 6:45 a.m.
NEDg	Description generation	`batch_69b507be443c8190ad7542f7b897de50`	completed	March 14, 2026, 7:01 a.m.
NED2	Entity disambiguation (via description)	`batch_69b5092c2460819087188184be28290b`	completed	March 14, 2026, 7:07 a.m.

Created at: March 9, 2026, 3:18 p.m.