Triple

T5487079
Position Surface form Disambiguated ID Type / Status
Subject Lake Shore and Michigan Southern Railway E123608 entity
Predicate notableRoute P22 FINISHED
Object Chicago–Buffalo main line
The Chicago–Buffalo main line was a key intercity rail corridor linking Chicago and Buffalo, serving as a major route for passenger and freight traffic across the Midwest and into the Northeast.
E522781 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–Buffalo main line | Statement: [Lake Shore and Michigan Southern Railway, notableRoute, Chicago–Buffalo main line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Chicago–Buffalo main line
Context triple: [Lake Shore and Michigan Southern Railway, notableRoute, Chicago–Buffalo main line]
  • A. 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.
  • B. Huntington–Cincinnati main line
    The Huntington–Cincinnati main line is a key Chesapeake and Ohio Railway route that connected Huntington, West Virginia, with Cincinnati, Ohio, serving as an important freight and passenger corridor in the region.
  • C. Chicago & North Western West Line
    The Chicago & North Western West Line was a historic commuter rail route in the Chicago area that later became part of Metra’s Union Pacific West Line.
  • D. New York Central Railroad main line
    The New York Central Railroad main line, famously known as the Water Level Route, was a major U.S. rail corridor connecting the Midwest to the East Coast along relatively flat terrain that followed river valleys and the Great Lakes.
  • E. Grande Ceinture line
    The Grande Ceinture line is a major orbital railway route encircling Paris, historically used for freight and suburban passenger services to connect the outer suburbs and bypass the city center.
  • 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–Buffalo main line
Triple: [Lake Shore and Michigan Southern Railway, notableRoute, Chicago–Buffalo main line]
Generated description
The Chicago–Buffalo main line was a key intercity rail corridor linking Chicago and Buffalo, serving as a major route for passenger and freight traffic across the Midwest and into the Northeast.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Chicago–Buffalo main line
Target entity description: The Chicago–Buffalo main line was a key intercity rail corridor linking Chicago and Buffalo, serving as a major route for passenger and freight traffic across the Midwest and into the Northeast.
  • A. 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.
  • B. Huntington–Cincinnati main line
    The Huntington–Cincinnati main line is a key Chesapeake and Ohio Railway route that connected Huntington, West Virginia, with Cincinnati, Ohio, serving as an important freight and passenger corridor in the region.
  • C. Chicago & North Western West Line
    The Chicago & North Western West Line was a historic commuter rail route in the Chicago area that later became part of Metra’s Union Pacific West Line.
  • D. New York Central Railroad main line
    The New York Central Railroad main line, famously known as the Water Level Route, was a major U.S. rail corridor connecting the Midwest to the East Coast along relatively flat terrain that followed river valleys and the Great Lakes.
  • E. Grande Ceinture line
    The Grande Ceinture line is a major orbital railway route encircling Paris, historically used for freight and suburban passenger services to connect the outer suburbs and bypass the city center.
  • 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.