Triple

T11075757
Position Surface form Disambiguated ID Type / Status
Subject Marmon Group E261860 entity
Predicate hasSubsidiary P254 FINISHED
Object Union Tank Car Company
Union Tank Car Company is a North American railcar leasing and maintenance company specializing in tank cars for transporting liquid and gaseous commodities.
E902932 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: Union Tank Car Company | Statement: [Marmon Group, hasSubsidiary, Union Tank Car Company]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Union Tank Car Company
Context triple: [Marmon Group, hasSubsidiary, Union Tank Car Company]
  • A. Westinghouse Air Brake Company
    Westinghouse Air Brake Company was an American industrial firm founded by George Westinghouse, best known for pioneering railway air brake technology that greatly improved train safety and efficiency.
  • B. Westinghouse Amrail Company
    Westinghouse Amrail Company was a railcar manufacturing firm known for producing New York City’s R68 subway cars.
  • C. St. Louis Car Company
    St. Louis Car Company was a prominent American rolling stock manufacturer known for producing streetcars, interurban cars, and railroad equipment throughout the late 19th and 20th centuries.
  • D. Durant-Dort Carriage Company
    Durant-Dort Carriage Company was a leading late-19th-century American horse-drawn carriage manufacturer that became the foundation for William C. Durant’s later creation of General Motors.
  • E. Hudson Motor Car Company
    Hudson Motor Car Company was an early 20th-century American automobile manufacturer best known for its innovative car designs and as one of the key predecessors to American Motors Corporation.
  • 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: Union Tank Car Company
Triple: [Marmon Group, hasSubsidiary, Union Tank Car Company]
Generated description
Union Tank Car Company is a North American railcar leasing and maintenance company specializing in tank cars for transporting liquid and gaseous commodities.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Union Tank Car Company
Target entity description: Union Tank Car Company is a North American railcar leasing and maintenance company specializing in tank cars for transporting liquid and gaseous commodities.
  • A. Westinghouse Air Brake Company
    Westinghouse Air Brake Company was an American industrial firm founded by George Westinghouse, best known for pioneering railway air brake technology that greatly improved train safety and efficiency.
  • B. Westinghouse Amrail Company
    Westinghouse Amrail Company was a railcar manufacturing firm known for producing New York City’s R68 subway cars.
  • C. St. Louis Car Company
    St. Louis Car Company was a prominent American rolling stock manufacturer known for producing streetcars, interurban cars, and railroad equipment throughout the late 19th and 20th centuries.
  • D. Durant-Dort Carriage Company
    Durant-Dort Carriage Company was a leading late-19th-century American horse-drawn carriage manufacturer that became the foundation for William C. Durant’s later creation of General Motors.
  • E. Hudson Motor Car Company
    Hudson Motor Car Company was an early 20th-century American automobile manufacturer best known for its innovative car designs and as one of the key predecessors to American Motors Corporation.
  • 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_69d6aa9983c08190b0ef61603b69feac completed April 8, 2026, 7:20 p.m.
NER Named-entity recognition batch_69d7994fcbc081908ff8f7321c0c5892 completed April 9, 2026, 12:19 p.m.
NED1 Entity disambiguation (via context triple) batch_69e3c8cc77988190aad54f56dbd0f8cf completed April 18, 2026, 6:09 p.m.
NEDg Description generation batch_69e3cefc00148190a1850dc6e31523c3 completed April 18, 2026, 6:35 p.m.
NED2 Entity disambiguation (via description) batch_69e3d014a644819092c76aa02b573ca9 completed April 18, 2026, 6:40 p.m.
Created at: April 8, 2026, 9:26 p.m.