Triple

T5487080
Position Surface form Disambiguated ID Type / Status
Subject Lake Shore and Michigan Southern Railway E123608 entity
Predicate notableRoute P22 FINISHED
Object Chicago–Cleveland route
The Chicago–Cleveland route is a major Midwestern rail corridor that historically linked Chicago, Illinois, with Cleveland, Ohio, serving as a key segment for passenger and freight traffic across the Great Lakes region.
E522782 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: Chicago–Cleveland route | Statement: [Lake Shore and Michigan Southern Railway, notableRoute, Chicago–Cleveland route]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Chicago–Cleveland route
Context triple: [Lake Shore and Michigan Southern Railway, notableRoute, Chicago–Cleveland route]
  • A. Pittsburgh–Chicago route
    The Pittsburgh–Chicago route was a major Pennsylvania Railroad passenger and freight corridor linking the industrial centers of Pittsburgh, Pennsylvania, and Chicago, Illinois.
  • B. Chicago–Twin Cities route
    The Chicago–Twin Cities route was a major passenger and freight rail corridor linking Chicago with Minneapolis–Saint Paul, historically served by several prominent Midwestern railroads.
  • C. Chicago–Ann Arbor corridor
    The Chicago–Ann Arbor corridor is a key Midwestern passenger rail route linking Chicago, Illinois with Ann Arbor, Michigan and other intermediate cities.
  • D. New York–St. Louis route
    The New York–St. Louis route was a major intercity passenger and freight rail corridor in the United States that connected the East Coast with the Midwest.
  • E. Chicago–Omaha main line
    The Chicago–Omaha main line was a principal transcontinental rail corridor in the Midwestern United States, linking Chicago with Omaha and serving as a key route for both passenger and freight traffic.
  • 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: Chicago–Cleveland route
Triple: [Lake Shore and Michigan Southern Railway, notableRoute, Chicago–Cleveland route]
Generated description
The Chicago–Cleveland route is a major Midwestern rail corridor that historically linked Chicago, Illinois, with Cleveland, Ohio, serving as a key segment for passenger and freight traffic across the Great Lakes region.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Chicago–Cleveland route
Target entity description: The Chicago–Cleveland route is a major Midwestern rail corridor that historically linked Chicago, Illinois, with Cleveland, Ohio, serving as a key segment for passenger and freight traffic across the Great Lakes region.
  • A. Pittsburgh–Chicago route
    The Pittsburgh–Chicago route was a major Pennsylvania Railroad passenger and freight corridor linking the industrial centers of Pittsburgh, Pennsylvania, and Chicago, Illinois.
  • B. Chicago–Twin Cities route
    The Chicago–Twin Cities route was a major passenger and freight rail corridor linking Chicago with Minneapolis–Saint Paul, historically served by several prominent Midwestern railroads.
  • C. Chicago–Ann Arbor corridor
    The Chicago–Ann Arbor corridor is a key Midwestern passenger rail route linking Chicago, Illinois with Ann Arbor, Michigan and other intermediate cities.
  • D. New York–St. Louis route
    The New York–St. Louis route was a major intercity passenger and freight rail corridor in the United States that connected the East Coast with the Midwest.
  • E. Chicago–Omaha main line
    The Chicago–Omaha main line was a principal transcontinental rail corridor in the Midwestern United States, linking Chicago with Omaha and serving as a key route for both passenger and freight traffic.
  • 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_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.