Triple

T20532629
Position Surface form Disambiguated ID Type / Status
Subject Roberts Court E504106 entity
Predicate landmarkCase P9728 FINISHED
Object Massachusetts v. Environmental Protection Agency NE NERFINISHED

How this triple was built (3 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: Massachusetts v. Environmental Protection Agency | Statement: [Roberts Court, landmarkCase, Massachusetts v. Environmental Protection Agency]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Massachusetts v. Environmental Protection Agency
Context triple: [Roberts Court, landmarkCase, Massachusetts v. Environmental Protection Agency]
  • A. North Carolina v. EPA
    North Carolina v. EPA is a 2008 D.C. Circuit Court of Appeals case that significantly limited the Environmental Protection Agency’s authority to implement interstate air pollution controls under the Clean Air Act, leading to the invalidation of the Clean Air Interstate Rule.
  • B. Massachusetts v. United States Department of Health and Human Services
    Massachusetts v. United States Department of Health and Human Services is a landmark federal court case in which the District of Massachusetts struck down key provisions of the Defense of Marriage Act as unconstitutional for denying federal recognition and benefits to same-sex marriages recognized by the state.
  • C. Vermont Yankee Nuclear Power Corp. v. NRDC
    Vermont Yankee Nuclear Power Corp. v. NRDC is a 1978 U.S. Supreme Court case that limited courts’ ability to impose additional procedural requirements on federal agencies beyond those mandated by the Administrative Procedure Act and relevant statutes.
  • D. American Electric Power Co. v. Connecticut
    American Electric Power Co. v. Connecticut is a 2011 U.S. Supreme Court case that held federal common law public nuisance claims over greenhouse gas emissions are displaced by the Clean Air Act, making the Environmental Protection Agency the primary regulator of such emissions.
  • E. Utility Air Regulatory Group v. Environmental Protection Agency
    Utility Air Regulatory Group v. Environmental Protection Agency was a 2014 U.S. Supreme Court case that limited the Environmental Protection Agency’s authority to regulate greenhouse gas emissions from stationary sources under the Clean Air Act.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Massachusetts v. Environmental Protection Agency
Target entity description: Massachusetts v. Environmental Protection Agency is a landmark 2007 U.S. Supreme Court decision that held the EPA has authority under the Clean Air Act to regulate greenhouse gas emissions from new motor vehicles.
  • A. North Carolina v. EPA
    North Carolina v. EPA is a 2008 D.C. Circuit Court of Appeals case that significantly limited the Environmental Protection Agency’s authority to implement interstate air pollution controls under the Clean Air Act, leading to the invalidation of the Clean Air Interstate Rule.
  • B. Massachusetts v. United States Department of Health and Human Services
    Massachusetts v. United States Department of Health and Human Services is a landmark federal court case in which the District of Massachusetts struck down key provisions of the Defense of Marriage Act as unconstitutional for denying federal recognition and benefits to same-sex marriages recognized by the state.
  • C. Vermont Yankee Nuclear Power Corp. v. NRDC
    Vermont Yankee Nuclear Power Corp. v. NRDC is a 1978 U.S. Supreme Court case that limited courts’ ability to impose additional procedural requirements on federal agencies beyond those mandated by the Administrative Procedure Act and relevant statutes.
  • D. American Electric Power Co. v. Connecticut
    American Electric Power Co. v. Connecticut is a 2011 U.S. Supreme Court case that held federal common law public nuisance claims over greenhouse gas emissions are displaced by the Clean Air Act, making the Environmental Protection Agency the primary regulator of such emissions.
  • E. Utility Air Regulatory Group v. Environmental Protection Agency
    Utility Air Regulatory Group v. Environmental Protection Agency was a 2014 U.S. Supreme Court case that limited the Environmental Protection Agency’s authority to regulate greenhouse gas emissions from stationary sources under the Clean Air Act.
  • F. None of above. chosen

Provenance (2 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_69e0b4b3a6e08190ae663701f50fab8e completed April 16, 2026, 10:06 a.m.
NER Named-entity recognition batch_69e6a06c709881908ef0995426a58759 completed April 20, 2026, 9:53 p.m.
Created at: April 16, 2026, 11:37 a.m.