Triple

T240926

Position	Surface form	Disambiguated ID	Type / Status
Subject	Clean Air Act	`E4929`	entity
Predicate	establishes	`P986`	FINISHED
Object	Prevention of Significant Deterioration program The Prevention of Significant Deterioration program is a U.S. air quality permitting system that limits emissions from new or modified major pollution sources in areas that already meet national air quality standards.	`E31154`	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: Prevention of Significant Deterioration program | Statement: [Clean Air Act, establishes, Prevention of Significant Deterioration program]

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

Target entity: Prevention of Significant Deterioration program
Context triple: [Clean Air Act, establishes, Prevention of Significant Deterioration program]

A. National Ambient Air Quality Standards
The National Ambient Air Quality Standards are U.S. federal air pollution limits that set maximum allowable concentrations of key pollutants in outdoor air to protect public health and the environment.
B. National Pollutant Discharge Elimination System
The National Pollutant Discharge Elimination System is a U.S. regulatory permitting program that controls water pollution by regulating point-source discharges of pollutants into waters of the United States.
C. Clean Air Act
The Clean Air Act is a landmark U.S. federal law that regulates air emissions from stationary and mobile sources to protect public health and the environment from air pollution.
D. National Air Toxics Assessment
The National Air Toxics Assessment is a nationwide screening tool that estimates health risks from exposure to hazardous air pollutants in the United States.
E. Clean Air Action Plan
The Clean Air Action Plan is a comprehensive environmental initiative aimed at reducing air pollution and health impacts from port-related operations at major U.S. seaports.
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: Prevention of Significant Deterioration program
Triple: [Clean Air Act, establishes, Prevention of Significant Deterioration program]

Generated description

The Prevention of Significant Deterioration program is a U.S. air quality permitting system that limits emissions from new or modified major pollution sources in areas that already meet national air quality standards.

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

Target entity: Prevention of Significant Deterioration program
Target entity description: The Prevention of Significant Deterioration program is a U.S. air quality permitting system that limits emissions from new or modified major pollution sources in areas that already meet national air quality standards.

A. National Ambient Air Quality Standards
The National Ambient Air Quality Standards are U.S. federal air pollution limits that set maximum allowable concentrations of key pollutants in outdoor air to protect public health and the environment.
B. National Pollutant Discharge Elimination System
The National Pollutant Discharge Elimination System is a U.S. regulatory permitting program that controls water pollution by regulating point-source discharges of pollutants into waters of the United States.
C. Clean Air Act
The Clean Air Act is a landmark U.S. federal law that regulates air emissions from stationary and mobile sources to protect public health and the environment from air pollution.
D. National Air Toxics Assessment
The National Air Toxics Assessment is a nationwide screening tool that estimates health risks from exposure to hazardous air pollutants in the United States.
E. Clean Air Action Plan
The Clean Air Action Plan is a comprehensive environmental initiative aimed at reducing air pollution and health impacts from port-related operations at major U.S. seaports.
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_69a257c3d0708190b0871c4269d273e6`	completed	Feb. 28, 2026, 2:49 a.m.
NER	Named-entity recognition	`batch_69a25cece92481908b8125badc7c2b1e`	completed	Feb. 28, 2026, 3:11 a.m.
NED1	Entity disambiguation (via context triple)	`batch_69a36960563881908ef098239cd87291`	completed	Feb. 28, 2026, 10:17 p.m.
NEDg	Description generation	`batch_69a369d3b3448190bcf799ec9f4f8f76`	completed	Feb. 28, 2026, 10:18 p.m.
NED2	Entity disambiguation (via description)	`batch_69a36a3215508190be525ec8625e9a9f`	completed	Feb. 28, 2026, 10:20 p.m.

Created at: Feb. 28, 2026, 2:53 a.m.