Triple

T8829061
Position Surface form Disambiguated ID Type / Status
Subject Van Sweringen brothers E210085 entity
Predicate owned P347 FINISHED
Object Pere Marquette Railway
Pere Marquette Railway was a major regional railroad in the Great Lakes area of the United States, known for its freight and passenger services across Michigan, Ohio, Indiana, and Ontario in the late 19th and early 20th centuries.
E425261 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: Pere Marquette Railway | Statement: [Van Sweringen brothers, owned, Pere Marquette Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Pere Marquette Railway
Context triple: [Van Sweringen brothers, owned, Pere Marquette Railway]
  • A. Lake Shore and Michigan Southern Railway
    The Lake Shore and Michigan Southern Railway was a major 19th-century American railroad that formed a key part of the New York Central system, linking the Great Lakes region with the Eastern United States.
  • B. Michigan Central Railroad
    Michigan Central Railroad was a major 19th- and early 20th-century American railroad company that operated key passenger and freight routes across Michigan and the Great Lakes region, connecting to Chicago and the broader Midwest rail network.
  • C. Milwaukee Road
    The Milwaukee Road was a major American railroad that operated an extensive Midwestern and Pacific Northwest network, noted especially for its electrified mountain routes and eventual bankruptcy in the late 20th century.
  • D. North Western State Railway
    The North Western State Railway was a major railway system of British India that served much of what is now Pakistan and parts of northern India before being reorganized after independence.
  • E. Pere Marquette
    Pere Marquette is an Amtrak passenger train service in the Midwest that operates between Chicago, Illinois, and Grand Rapids, Michigan.
  • 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: Pere Marquette Railway
Triple: [Van Sweringen brothers, owned, Pere Marquette Railway]
Generated description
Pere Marquette Railway was a major regional railroad in the Great Lakes area of the United States, known for its freight and passenger services across Michigan, Ohio, Indiana, and Ontario in the late 19th and early 20th centuries.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Pere Marquette Railway
Target entity description: Pere Marquette Railway was a major regional railroad in the Great Lakes area of the United States, known for its freight and passenger services across Michigan, Ohio, Indiana, and Ontario in the late 19th and early 20th centuries.
  • A. Lake Shore and Michigan Southern Railway
    The Lake Shore and Michigan Southern Railway was a major 19th-century American railroad that formed a key part of the New York Central system, linking the Great Lakes region with the Eastern United States.
  • B. Michigan Central Railroad
    Michigan Central Railroad was a major 19th- and early 20th-century American railroad company that operated key passenger and freight routes across Michigan and the Great Lakes region, connecting to Chicago and the broader Midwest rail network.
  • C. Milwaukee Road
    The Milwaukee Road was a major American railroad that operated an extensive Midwestern and Pacific Northwest network, noted especially for its electrified mountain routes and eventual bankruptcy in the late 20th century.
  • D. North Western State Railway
    The North Western State Railway was a major railway system of British India that served much of what is now Pakistan and parts of northern India before being reorganized after independence.
  • E. Pere Marquette chosen
    Pere Marquette is an Amtrak passenger train service in the Midwest that operates between Chicago, Illinois, and Grand Rapids, Michigan.
  • 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_69ca8365b28081909e48e45e95dfc405 completed March 30, 2026, 2:06 p.m.
NER Named-entity recognition batch_69cc604c52a48190807e46c15e3c1558 completed April 1, 2026, 12:01 a.m.
NED1 Entity disambiguation (via context triple) batch_69cf896382708190a08c6bacf1157066 completed April 3, 2026, 9:33 a.m.
NEDg Description generation batch_69cf8ab6c1a8819097b8a84902a10296 completed April 3, 2026, 9:39 a.m.
NED2 Entity disambiguation (via description) batch_69cf8bc521dc81908918b48a25f290bb completed April 3, 2026, 9:43 a.m.
Created at: March 30, 2026, 6:47 p.m.