Triple

T175726
Position Surface form Disambiguated ID Type / Status
Subject Administrator of the Environmental Protection Agency (Cabinet-level) E3569 entity
Predicate officeHolder P537 FINISHED
Object Michael S. Regan
Michael S. Regan is an American environmental regulator and public official who serves as the head of the U.S. Environmental Protection Agency in the Biden administration.
 E22439 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: Michael S. Regan | Statement: [Administrator of the Environmental Protection Agency (Cabinet-level), officeHolder, Michael S. Regan]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Michael S. Regan
Context triple: [Administrator of the Environmental Protection Agency (Cabinet-level), officeHolder, Michael S. Regan]
  • A. William D. Ruckelshaus
    William D. Ruckelshaus was an American lawyer and public servant best known as the first administrator of the U.S. Environmental Protection Agency and for his principled role in the Watergate-era "Saturday Night Massacre."
  • B. Jane Lubchenco
    Jane Lubchenco is a prominent American marine ecologist and environmental scientist known for her leadership in ocean conservation, climate policy, and science communication.
  • C. Jeff Zients
    Jeff Zients is an American businessman and political advisor who serves as the White House Chief of Staff under President Joe Biden.
  • D. John F. Kelly
    John F. Kelly is a retired U.S. Marine Corps general who served in the Trump administration, including as White House Chief of Staff and Secretary of Homeland Security.
  • E. Mick Mulvaney
    Mick Mulvaney is an American politician and former U.S. Representative who served in the Trump administration in senior roles, including as acting White House Chief of Staff and Director of the Office of Management and Budget.
  • 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: Michael S. Regan
Triple: [Administrator of the Environmental Protection Agency (Cabinet-level), officeHolder, Michael S. Regan]
Generated description
Michael S. Regan is an American environmental regulator and public official who serves as the head of the U.S. Environmental Protection Agency in the Biden administration.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Michael S. Regan
Target entity description: Michael S. Regan is an American environmental regulator and public official who serves as the head of the U.S. Environmental Protection Agency in the Biden administration.
  • A. William D. Ruckelshaus
    William D. Ruckelshaus was an American lawyer and public servant best known as the first administrator of the U.S. Environmental Protection Agency and for his principled role in the Watergate-era "Saturday Night Massacre."
  • B. Jane Lubchenco
    Jane Lubchenco is a prominent American marine ecologist and environmental scientist known for her leadership in ocean conservation, climate policy, and science communication.
  • C. Jeff Zients
    Jeff Zients is an American businessman and political advisor who serves as the White House Chief of Staff under President Joe Biden.
  • D. John F. Kelly
    John F. Kelly is a retired U.S. Marine Corps general who served in the Trump administration, including as White House Chief of Staff and Secretary of Homeland Security.
  • E. Mick Mulvaney
    Mick Mulvaney is an American politician and former U.S. Representative who served in the Trump administration in senior roles, including as acting White House Chief of Staff and Director of the Office of Management and Budget.
  • 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_69a25374990081909766d30c79a18e0e completed Feb. 28, 2026, 2:31 a.m.
NER Named-entity recognition batch_69a258e497788190aeb61d981efb4d1d completed Feb. 28, 2026, 2:54 a.m.
NED1 Entity disambiguation (via context triple) batch_69a2ee8962a88190b6821e55f435c8b7 completed Feb. 28, 2026, 1:32 p.m.
NEDg Description generation batch_69a2ef062c6c8190b50d1c1102161259 completed Feb. 28, 2026, 1:35 p.m.
NED2 Entity disambiguation (via description) batch_69a2ef8234bc81909449654ee2f4c000 completed Feb. 28, 2026, 1:37 p.m.
Created at: Feb. 28, 2026, 2:39 a.m.