Triple

T16000900
Position Surface form Disambiguated ID Type / Status
Subject The Ohio Oil Company E388087 entity
Predicate hasSubsidiary P254 FINISHED
Object Marathon Pipe Line Company E1097335 NE FINISHED

How this triple was built (2 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: Marathon Pipe Line Company | Statement: [The Ohio Oil Company, hasSubsidiary, Marathon Pipe Line Company]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Marathon Pipe Line Company
Context triple: [The Ohio Oil Company, hasSubsidiary, Marathon Pipe Line Company]
  • A. Marathon Pipe Line Company chosen
    Marathon Pipe Line Company is a U.S. pipeline company known for its role in the landmark Supreme Court case Northern Pipeline Construction Co. v. Marathon Pipe Line Co., which reshaped the constitutional limits of federal bankruptcy courts.
  • B. Buckeye Pipe Line Company
    Buckeye Pipe Line Company is a petroleum pipeline company that emerged as one of the successor entities created from the court-ordered breakup of the Standard Oil monopoly in the early 20th century.
  • C. Alyeska Pipeline Service Company
    Alyeska Pipeline Service Company is an American oil pipeline company that manages and maintains the Trans-Alaska Pipeline System across Alaska.
  • D. Explorer Pipeline
    Explorer Pipeline is a major U.S. refined petroleum products pipeline system that transports fuels from Gulf Coast and Midwestern refineries to markets across the central United States.
  • E. Northern Pipeline Construction Company
    Northern Pipeline Construction Company was a U.S. firm involved in pipeline construction that became notable as the petitioner in the landmark Supreme Court case Northern Pipeline Construction Co. v. Marathon Pipe Line Co.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69d86daa562c81908aacc179c0fe8fb5 completed April 10, 2026, 3:25 a.m.
NER Named-entity recognition batch_69e157fba9748190ac8fc27b167d49f7 completed April 16, 2026, 9:43 p.m.
NED1 Entity disambiguation (via context triple) batch_69ffc3d99ca08190a3d07a0802b1b24a completed May 9, 2026, 11:31 p.m.
Created at: April 10, 2026, 4:55 a.m.