Triple

T20023441
Position Surface form Disambiguated ID Type / Status
Subject Pennsylvania v. Union Gas Co. E494917 entity
Predicate respondent P2238 FINISHED
Object Union Gas Company — 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: Union Gas Company | Statement: [Pennsylvania v. Union Gas Co., respondent, Union Gas Company]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Union Gas Company
Context triple: [Pennsylvania v. Union Gas Co., respondent, Union Gas Company]
  • A. Gas South
    Gas South is a U.S.-based natural gas provider serving residential, commercial, and industrial customers, particularly in the southeastern United States.
  • B. Georgia Natural Gas
    Georgia Natural Gas is a major natural gas marketer in Georgia, providing retail energy services to residential and commercial customers.
  • C. Enbridge Gas Inc.
    Enbridge Gas Inc. is a major Canadian natural gas distribution company serving residential, commercial, and industrial customers, primarily in Ontario.
  • D. South Oil Company
    South Oil Company is a major Iraqi state-owned oil enterprise responsible for exploration, production, and development of oil fields primarily in the southern region of Iraq.
  • E. Union Oil
    Union Oil was a major American petroleum company, historically significant as a prominent West Coast oil producer and refiner later absorbed into Chevron.
  • 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: Union Gas Company
Target entity description: Union Gas Company is an energy utility firm that was a party to the U.S. Supreme Court case Pennsylvania v. Union Gas Co., which addressed issues of state sovereign immunity and federal environmental regulation.
  • A. Gas South
    Gas South is a U.S.-based natural gas provider serving residential, commercial, and industrial customers, particularly in the southeastern United States.
  • B. Georgia Natural Gas
    Georgia Natural Gas is a major natural gas marketer in Georgia, providing retail energy services to residential and commercial customers.
  • C. Enbridge Gas Inc.
    Enbridge Gas Inc. is a major Canadian natural gas distribution company serving residential, commercial, and industrial customers, primarily in Ontario.
  • D. South Oil Company
    South Oil Company is a major Iraqi state-owned oil enterprise responsible for exploration, production, and development of oil fields primarily in the southern region of Iraq.
  • E. Union Oil
    Union Oil was a major American petroleum company, historically significant as a prominent West Coast oil producer and refiner later absorbed into Chevron.
  • 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_69da626bfd288190aa5d65098b6433ae completed April 11, 2026, 3:02 p.m.
NER Named-entity recognition batch_69e6628a1ecc8190bf6ee0bedb61e0b8 completed April 20, 2026, 5:29 p.m.
Created at: April 11, 2026, 3:35 p.m.