Triple

T14386710
Position Surface form Disambiguated ID Type / Status
Subject Northern Pipeline Construction Co. v. Marathon Pipe Line Co. E356741 entity
Predicate respondent P2238 FINISHED
Object Marathon Pipe Line Company
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.
E1097335 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: Marathon Pipe Line Company | Statement: [Northern Pipeline Construction Co. v. Marathon Pipe Line Co., respondent, Marathon Pipe Line Company]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Marathon Pipe Line Company
Context triple: [Northern Pipeline Construction Co. v. Marathon Pipe Line Co., respondent, Marathon Pipe Line Company]
  • A. 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.
  • B. 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.
  • C. Kern River Gas Transmission Company
    Kern River Gas Transmission Company is a major U.S. natural gas pipeline operator that transports gas from the Rocky Mountains to markets in the western United States.
  • D. Belridge Oil Company
    Belridge Oil Company was a major California-based petroleum firm known for developing and operating significant oil fields before being acquired by Shell Oil in the late 20th century.
  • E. Kern River Pipeline
    The Kern River Pipeline is a major natural gas transmission system that transports gas from the Rocky Mountain region to markets in California and the U.S. Southwest.
  • 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: Marathon Pipe Line Company
Triple: [Northern Pipeline Construction Co. v. Marathon Pipe Line Co., respondent, Marathon Pipe Line Company]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Marathon Pipe Line Company
Target entity description: 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.
  • A. 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.
  • B. 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.
  • C. Kern River Gas Transmission Company
    Kern River Gas Transmission Company is a major U.S. natural gas pipeline operator that transports gas from the Rocky Mountains to markets in the western United States.
  • D. Belridge Oil Company
    Belridge Oil Company was a major California-based petroleum firm known for developing and operating significant oil fields before being acquired by Shell Oil in the late 20th century.
  • E. Kern River Pipeline
    The Kern River Pipeline is a major natural gas transmission system that transports gas from the Rocky Mountain region to markets in California and the U.S. Southwest.
  • 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_69d827927c988190ad98bb0360981783 completed April 9, 2026, 10:26 p.m.
NER Named-entity recognition batch_69de90283b9c8190b50d30ad58bfe085 completed April 14, 2026, 7:06 p.m.
NED1 Entity disambiguation (via context triple) batch_69fd5513e8888190bc6b6cb33fd9b670 completed May 8, 2026, 3:14 a.m.
NEDg Description generation batch_69fd569747708190b6cae2679cf9df89 completed May 8, 2026, 3:20 a.m.
NED2 Entity disambiguation (via description) batch_69fd5702e95481909f02440dbb233902 completed May 8, 2026, 3:22 a.m.
Created at: April 10, 2026, 1:16 a.m.