Triple

T14386709
Position Surface form Disambiguated ID Type / Status
Subject Northern Pipeline Construction Co. v. Marathon Pipe Line Co. E356741 entity
Predicate petitioner P3132 FINISHED
Object 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.
E1097334 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: Northern Pipeline Construction Company | Statement: [Northern Pipeline Construction Co. v. Marathon Pipe Line Co., petitioner, Northern Pipeline Construction Company]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Northern Pipeline Construction Company
Context triple: [Northern Pipeline Construction Co. v. Marathon Pipe Line Co., petitioner, Northern Pipeline Construction 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. Northern Natural Gas
    Northern Natural Gas is a major U.S. interstate natural gas pipeline company that transports and stores natural gas across the Midwest and Great Plains.
  • D. Boardwalk Pipeline Partners
    Boardwalk Pipeline Partners is a U.S.-based master limited partnership that owns and operates natural gas and natural gas liquids pipeline and storage infrastructure.
  • E. Enbridge Gas Inc.
    Enbridge Gas Inc. is a major Canadian natural gas distribution company serving residential, commercial, and industrial customers, primarily in Ontario.
  • 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: Northern Pipeline Construction Company
Triple: [Northern Pipeline Construction Co. v. Marathon Pipe Line Co., petitioner, Northern Pipeline Construction Company]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Northern Pipeline Construction Company
Target entity description: 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.
  • 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. Northern Natural Gas
    Northern Natural Gas is a major U.S. interstate natural gas pipeline company that transports and stores natural gas across the Midwest and Great Plains.
  • D. Boardwalk Pipeline Partners
    Boardwalk Pipeline Partners is a U.S.-based master limited partnership that owns and operates natural gas and natural gas liquids pipeline and storage infrastructure.
  • E. Enbridge Gas Inc.
    Enbridge Gas Inc. is a major Canadian natural gas distribution company serving residential, commercial, and industrial customers, primarily in Ontario.
  • 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.