Triple

T5487073
Position Surface form Disambiguated ID Type / Status
Subject Lake Shore and Michigan Southern Railway E123608 entity
Predicate formedByMergerOf P77 FINISHED
Object Cleveland and Toledo Railroad
The Cleveland and Toledo Railroad was a 19th-century regional rail line in northern Ohio that later became part of the larger Lake Shore and Michigan Southern Railway system.
E123608 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: Cleveland and Toledo Railroad | Statement: [Lake Shore and Michigan Southern Railway, formedByMergerOf, Cleveland and Toledo Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Cleveland and Toledo Railroad
Context triple: [Lake Shore and Michigan Southern Railway, formedByMergerOf, Cleveland and Toledo Railroad]
  • A. Cleveland Railway
    Cleveland Railway was a major early 20th-century streetcar and public transit company serving the city of Cleveland, Ohio.
  • 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. Covington and Ohio Railroad
    The Covington and Ohio Railroad was a 19th-century American railway company that became part of the Chesapeake and Ohio Railway through consolidation.
  • D. 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.
  • E. Grand Rapids and Indiana Railroad
    The Grand Rapids and Indiana Railroad was a historic rail line in the Midwestern United States that connected southern Michigan and northern Indiana to resort and timber regions along Lake Michigan and into northern 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: Cleveland and Toledo Railroad
Triple: [Lake Shore and Michigan Southern Railway, formedByMergerOf, Cleveland and Toledo Railroad]
Generated description
The Cleveland and Toledo Railroad was a 19th-century regional rail line in northern Ohio that later became part of the larger Lake Shore and Michigan Southern Railway system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Cleveland and Toledo Railroad
Target entity description: The Cleveland and Toledo Railroad was a 19th-century regional rail line in northern Ohio that later became part of the larger Lake Shore and Michigan Southern Railway system.
  • A. Cleveland Railway
    Cleveland Railway was a major early 20th-century streetcar and public transit company serving the city of Cleveland, Ohio.
  • 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. Covington and Ohio Railroad
    The Covington and Ohio Railroad was a 19th-century American railway company that became part of the Chesapeake and Ohio Railway through consolidation.
  • D. 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.
  • E. Grand Rapids and Indiana Railroad
    The Grand Rapids and Indiana Railroad was a historic rail line in the Midwestern United States that connected southern Michigan and northern Indiana to resort and timber regions along Lake Michigan and into northern 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_69bd464a2d908190869324ce176779c8 completed March 20, 2026, 1:06 p.m.
NER Named-entity recognition batch_69bd92639b3481908845c280d334117f completed March 20, 2026, 6:30 p.m.
NED1 Entity disambiguation (via context triple) batch_69bf48aa12708190add69c5fd51d161d completed March 22, 2026, 1:40 a.m.
NEDg Description generation batch_69bf4a2b6c508190ad13f6d9823ad747 completed March 22, 2026, 1:47 a.m.
NED2 Entity disambiguation (via description) batch_69bf4a87d1fc8190a0e0e75d6f9cd766 completed March 22, 2026, 1:48 a.m.
Created at: March 20, 2026, 2:10 p.m.