Triple

T13386175
Position Surface form Disambiguated ID Type / Status
Subject Woburn toxic waste contamination cases E319450 entity
Predicate involves P1256 FINISHED
Object United States Environmental Protection Agency E1559 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: United States Environmental Protection Agency | Statement: [Woburn toxic waste contamination cases, involves, United States Environmental Protection Agency]

Disambiguation candidates (1 decision)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: United States Environmental Protection Agency
Context triple: [Woburn toxic waste contamination cases, involves, United States Environmental Protection Agency]
  • A. United States Environmental Protection Agency chosen
    The United States Environmental Protection Agency is a federal government agency responsible for protecting human health and the environment through regulation, enforcement, and environmental research in the United States.
  • B. EPA
    EPA is the ICAO airline designator assigned to Eastern Provincial Airways, a former Canadian regional carrier.
  • C. EPA
    EPA is the commonly used abbreviation for the Swedish Environmental Protection Agency, the national authority responsible for environmental policy and conservation in Sweden.
  • D. Environmental Protection Bureau
    The Environmental Protection Bureau is a governmental unit focused on enforcing environmental laws and regulations to protect public health and natural resources.
  • E. Office of Environmental Quality
    The Office of Environmental Quality is a division within New York State’s environmental agency responsible for overseeing and improving environmental standards, compliance, and protection programs across the state.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

Stage Batch ID Job type Status
creating batch_69d806b886bc8190b676e7768b8e01c5 elicitation completed
NER batch_69dadce96d1881909957fdd068a7f55d ner completed
NED1 batch_69f7268f9a908190843481dd313f5a11 ned_source_triple completed
Created at: April 9, 2026, 9:34 p.m.