Triple

T23062198
Position Surface form Disambiguated ID Type / Status
Subject Vanderbilt railroad system E574934 entity
Predicate includes P1393 FINISHED
Object Lake Shore and Michigan Southern Railway — NE NERFINISHED

How this triple was built (2 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: Lake Shore and Michigan Southern Railway | Statement: [Vanderbilt railroad system, includes, Lake Shore and Michigan Southern Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Lake Shore and Michigan Southern Railway
Context triple: [Vanderbilt railroad system, includes, Lake Shore and Michigan Southern Railway]
  • A. Lake Shore and Michigan Southern Railway chosen
    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. Pere Marquette Railway
    Pere Marquette Railway was a historic Midwestern U.S. railroad company that operated primarily in Michigan and surrounding states in the late 19th and early 20th centuries.
  • C. Great Lakes Central Railroad
    Great Lakes Central Railroad is a regional freight railroad in Michigan that operates former state-owned lines across the central and northern parts of the state.
  • D. Detroit, Toledo and Ironton Railroad
    The Detroit, Toledo and Ironton Railroad was a regional U.S. railroad operating primarily in Michigan and Ohio, known for its freight services and later incorporation into larger rail systems.
  • E. Chicago North Shore and Milwaukee Railroad
    The Chicago North Shore and Milwaukee Railroad was an interurban electric railway that operated between Chicago and Milwaukee, providing high-speed commuter and intercity service along the Lake Michigan shoreline in the early to mid-20th century.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69e245bd6e4c8190bb8942245b68cad5 completed April 17, 2026, 2:37 p.m.
NER Named-entity recognition batch_69f189a0c3c881909f137ad511c216ac completed April 29, 2026, 4:31 a.m.
Created at: April 17, 2026, 3:55 p.m.