Triple

T10650499
Position Surface form Disambiguated ID Type / Status
Subject Union Stock Yards E250954 entity
Predicate ownedBy P347 FINISHED
Object Union Stock Yard and Transit Company
Union Stock Yard and Transit Company was the corporation that operated Chicago’s vast Union Stock Yards, once the central hub of the American meatpacking industry.
E877262 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 Stock Yard and Transit Company | Statement: [Union Stock Yards, ownedBy, Union Stock Yard and Transit Company]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Union Stock Yard and Transit Company
Context triple: [Union Stock Yards, ownedBy, Union Stock Yard and Transit Company]
  • A. National City Lines
    National City Lines was a U.S. holding company that acquired and operated numerous local transit systems, often associated with the mid-20th-century shift from streetcars to buses.
  • B. Manhattan Railway Company
    The Manhattan Railway Company was a major transit operator in New York City that ran the elevated train lines in Manhattan before the development of the city’s subway system.
  • C. 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.
  • D. Chicago City Railway Company
    The Chicago City Railway Company was a major streetcar operator in Chicago that played a key role in developing the city’s public transit system in the late 19th and early 20th centuries.
  • E. Reading Company commuter service
    Reading Company commuter service was the network of suburban passenger rail operations once run by the Reading Company in the Philadelphia region before being succeeded by lines such as the West Trenton Line.
  • 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 Stock Yard and Transit Company
Triple: [Union Stock Yards, ownedBy, Union Stock Yard and Transit Company]
Generated description
Union Stock Yard and Transit Company was the corporation that operated Chicago’s vast Union Stock Yards, once the central hub of the American meatpacking industry.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Union Stock Yard and Transit Company
Target entity description: Union Stock Yard and Transit Company was the corporation that operated Chicago’s vast Union Stock Yards, once the central hub of the American meatpacking industry.
  • A. National City Lines
    National City Lines was a U.S. holding company that acquired and operated numerous local transit systems, often associated with the mid-20th-century shift from streetcars to buses.
  • B. Manhattan Railway Company
    The Manhattan Railway Company was a major transit operator in New York City that ran the elevated train lines in Manhattan before the development of the city’s subway system.
  • C. 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.
  • D. Chicago City Railway Company
    The Chicago City Railway Company was a major streetcar operator in Chicago that played a key role in developing the city’s public transit system in the late 19th and early 20th centuries.
  • E. Reading Company commuter service
    Reading Company commuter service was the network of suburban passenger rail operations once run by the Reading Company in the Philadelphia region before being succeeded by lines such as the West Trenton Line.
  • 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_69d6aa5a4c4881908f39be6efe5981e5 completed April 8, 2026, 7:19 p.m.
NER Named-entity recognition batch_69d6dfe4b97081908815b77612222318 completed April 8, 2026, 11:08 p.m.
NED1 Entity disambiguation (via context triple) batch_69d97a69a57c81908bf99cac0c0a49f2 completed April 10, 2026, 10:32 p.m.
NEDg Description generation batch_69d97cc20448819094d650b9c1067dca completed April 10, 2026, 10:42 p.m.
NED2 Entity disambiguation (via description) batch_69d97e13913081908dd1fb60fa44db05 completed April 10, 2026, 10:47 p.m.
Created at: April 8, 2026, 9:06 p.m.