Triple

T20910583
Position Surface form Disambiguated ID Type / Status
Subject Owosso, Michigan E514929 entity
Predicate hasRailService P782 FINISHED
Object 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.
E1457125 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: Great Lakes Central Railroad | Statement: [Owosso, Michigan, hasRailService, Great Lakes Central Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Great Lakes Central Railroad
Context triple: [Owosso, Michigan, hasRailService, Great Lakes Central Railroad]
  • A. 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.
  • B. 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.
  • C. Chicago and Erie Railroad
    The Chicago and Erie Railroad was a regional American railroad that connected Chicago with points in Indiana and Ohio, serving as an important Midwestern freight and passenger route in the late 19th and early 20th centuries.
  • 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. Milwaukee and La Crosse Railroad
    The Milwaukee and La Crosse Railroad was a 19th-century Wisconsin railway company that played a key role in connecting Milwaukee with the Mississippi River region and advancing regional commerce and settlement.
  • 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: Great Lakes Central Railroad
Triple: [Owosso, Michigan, hasRailService, Great Lakes Central Railroad]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Great Lakes Central Railroad
Target entity description: 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.
  • A. 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.
  • B. 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.
  • C. Chicago and Erie Railroad
    The Chicago and Erie Railroad was a regional American railroad that connected Chicago with points in Indiana and Ohio, serving as an important Midwestern freight and passenger route in the late 19th and early 20th centuries.
  • 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. Milwaukee and La Crosse Railroad
    The Milwaukee and La Crosse Railroad was a 19th-century Wisconsin railway company that played a key role in connecting Milwaukee with the Mississippi River region and advancing regional commerce and settlement.
  • 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_69e0b4f9d5ec8190bb2bd27350ed341c completed April 16, 2026, 10:07 a.m.
NER Named-entity recognition batch_69e6ec5e3f988190932956119197e3b1 completed April 21, 2026, 3:17 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0918dc2f9481908a7364ce25f11eb0 completed May 17, 2026, 1:24 a.m.
NEDg Description generation batch_6a091bee5e3c8190adc31821815f7878 completed May 17, 2026, 1:37 a.m.
NED2 Entity disambiguation (via description) batch_6a091c9c47048190be29a12c1d074d98 completed May 17, 2026, 1:40 a.m.
Created at: April 16, 2026, 12:48 p.m.