Triple

T19243212
Position Surface form Disambiguated ID Type / Status
Subject National City Lines E481181 entity
Predicate hasSubsidiary P254 FINISHED
Object Pacific City Lines
Pacific City Lines was a regional transit company in the United States that operated streetcar and bus systems under the control of National City Lines during the mid-20th century.
E481181 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: Pacific City Lines | Statement: [National City Lines, hasSubsidiary, Pacific City Lines]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Pacific City Lines
Context triple: [National City Lines, hasSubsidiary, Pacific City Lines]
  • A. Montgomery City Lines
    Montgomery City Lines was the private bus company that operated the segregated public transit system in Montgomery, Alabama during the civil rights era, including the bus on which Rosa Parks made her historic protest.
  • B. 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.
  • C. Central Suburban Passenger Company
    Central Suburban Passenger Company is a major Russian commuter rail operator serving the Moscow metropolitan area and surrounding regions.
  • D. Los Angeles Railway
    Los Angeles Railway was a historic streetcar transit system that operated an extensive network of urban rail lines in Los Angeles during the first half of the 20th century.
  • E. Canada Southern Railway
    Canada Southern Railway was a 19th- and early 20th-century railway company that operated a key east–west main line across southern Ontario, providing an important international link between the U.S. and Canada.
  • 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: Pacific City Lines
Triple: [National City Lines, hasSubsidiary, Pacific City Lines]
Generated description
Pacific City Lines was a regional transit company in the United States that operated streetcar and bus systems under the control of National City Lines during the mid-20th century.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Pacific City Lines
Target entity description: Pacific City Lines was a regional transit company in the United States that operated streetcar and bus systems under the control of National City Lines during the mid-20th century.
  • A. Montgomery City Lines
    Montgomery City Lines was the private bus company that operated the segregated public transit system in Montgomery, Alabama during the civil rights era, including the bus on which Rosa Parks made her historic protest.
  • B. National City Lines chosen
    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.
  • C. Central Suburban Passenger Company
    Central Suburban Passenger Company is a major Russian commuter rail operator serving the Moscow metropolitan area and surrounding regions.
  • D. Los Angeles Railway
    Los Angeles Railway was a historic streetcar transit system that operated an extensive network of urban rail lines in Los Angeles during the first half of the 20th century.
  • E. Canada Southern Railway
    Canada Southern Railway was a 19th- and early 20th-century railway company that operated a key east–west main line across southern Ontario, providing an important international link between the U.S. and Canada.
  • F. None of above.

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_69d8e8cd9d1081908a181d02b88b59b8 completed April 10, 2026, 12:10 p.m.
NER Named-entity recognition batch_69e5faf3018881909ef866616c45ff2e completed April 20, 2026, 10:07 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0705de9bb88190a2a7b3fed79e95de completed May 15, 2026, 11:39 a.m.
NEDg Description generation batch_6a070661a2888190a4f56a27ddd38cc7 completed May 15, 2026, 11:41 a.m.
NED2 Entity disambiguation (via description) batch_6a0706eb41d88190a77adaf469df30e1 completed May 15, 2026, 11:43 a.m.
Created at: April 10, 2026, 1:27 p.m.