Triple

T4598370

Position	Surface form	Disambiguated ID	Type / Status
Subject	Weldon Spring Ordnance Works	`E100258`	entity
Predicate	regulatoryStatus	`P2250`	FINISHED
Object	U.S. EPA Superfund site A U.S. EPA Superfund site is a contaminated location in the United States designated for long-term cleanup of hazardous substances under the federal Superfund program.	`E459629`	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: U.S. EPA Superfund site | Statement: [Weldon Spring Ordnance Works, regulatoryStatus, U.S. EPA Superfund site]

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

Target entity: U.S. EPA Superfund site
Context triple: [Weldon Spring Ordnance Works, regulatoryStatus, U.S. EPA Superfund site]

A. Superfund program
The Superfund program is a U.S. federal initiative, administered by the Environmental Protection Agency, that identifies, prioritizes, and cleans up the nation’s most hazardous contaminated sites.
B. New York State Superfund Program
The New York State Superfund Program is a state-run initiative that identifies, investigates, and cleans up hazardous waste sites to protect public health and the environment in New York.
C. Office of Superfund Remediation and Technology Innovation
The Office of Superfund Remediation and Technology Innovation is a U.S. Environmental Protection Agency office responsible for overseeing and advancing cleanup technologies and strategies for hazardous waste sites under the Superfund program.
D. Superfund trust fund
The Superfund trust fund is a U.S. federal financial reserve used to clean up hazardous waste sites and respond to environmental emergencies when responsible parties cannot or do not pay.
E. Hanford Site, Washington
Hanford Site, Washington is a large decommissioned nuclear production complex along the Columbia River that was central to U.S. plutonium production during and after World War II and is now one of the nation’s most challenging environmental cleanup sites.
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: U.S. EPA Superfund site
Triple: [Weldon Spring Ordnance Works, regulatoryStatus, U.S. EPA Superfund site]

Generated description

A U.S. EPA Superfund site is a contaminated location in the United States designated for long-term cleanup of hazardous substances under the federal Superfund program.

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

Target entity: U.S. EPA Superfund site
Target entity description: A U.S. EPA Superfund site is a contaminated location in the United States designated for long-term cleanup of hazardous substances under the federal Superfund program.

A. Superfund program
The Superfund program is a U.S. federal initiative, administered by the Environmental Protection Agency, that identifies, prioritizes, and cleans up the nation’s most hazardous contaminated sites.
B. New York State Superfund Program
The New York State Superfund Program is a state-run initiative that identifies, investigates, and cleans up hazardous waste sites to protect public health and the environment in New York.
C. Office of Superfund Remediation and Technology Innovation
The Office of Superfund Remediation and Technology Innovation is a U.S. Environmental Protection Agency office responsible for overseeing and advancing cleanup technologies and strategies for hazardous waste sites under the Superfund program.
D. Superfund trust fund
The Superfund trust fund is a U.S. federal financial reserve used to clean up hazardous waste sites and respond to environmental emergencies when responsible parties cannot or do not pay.
E. Hanford Site, Washington
Hanford Site, Washington is a large decommissioned nuclear production complex along the Columbia River that was central to U.S. plutonium production during and after World War II and is now one of the nation’s most challenging environmental cleanup sites.
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_69bd43cbc014819098b45f435908f88a`	completed	March 20, 2026, 12:55 p.m.
NER	Named-entity recognition	`batch_69bd59707f8c8190b8368f1de887ff2a`	completed	March 20, 2026, 2:28 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69bdfa4f26d08190b9978c579623adcb`	completed	March 21, 2026, 1:54 a.m.
NEDg	Description generation	`batch_69bdfb37b1448190a4001b9ed2b79012`	completed	March 21, 2026, 1:58 a.m.
NED2	Entity disambiguation (via description)	`batch_69bdfc0e456c81908efa3858d981ccc0`	completed	March 21, 2026, 2:01 a.m.

Created at: March 20, 2026, 1:11 p.m.