Triple

T20179073
Position Surface form Disambiguated ID Type / Status
Subject Chicago, Burlington and Quincy Railroad E492677 entity
Predicate operatedRoute P18593 FINISHED
Object Chicago–Denver
Chicago–Denver was a major long-distance passenger and freight rail route linking Chicago, Illinois, with Denver, Colorado, across the American Midwest and Great Plains.
 E1417204 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–Denver | Statement: [Chicago, Burlington and Quincy Railroad, operatedRoute, Chicago–Denver]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Chicago–Denver
Context triple: [Chicago, Burlington and Quincy Railroad, operatedRoute, Chicago–Denver]
  • A. Chicago–San Diego
    Chicago–San Diego was a prominent transcontinental passenger rail route of the Atchison, Topeka and Santa Fe Railway connecting the Midwest to Southern California.
  • B. Chicago–Los Angeles
    Chicago–Los Angeles is a major transcontinental rail and travel corridor in the United States connecting the Midwest to the Pacific Coast.
  • C. St. Louis–Dallas
    St. Louis–Dallas refers to the intercity rail corridor linking St. Louis, Missouri, with Dallas, Texas, historically served by passenger trains such as the Texas Special.
  • D. Cleveland–St. Louis
    Cleveland–St. Louis was a principal intercity rail corridor in the Midwestern United States that connected Cleveland, Ohio, with St. Louis, Missouri.
  • E. Oklahoma City – Fort Worth
    Oklahoma City–Fort Worth is the passenger rail corridor in the Southern Plains region of the United States that links Oklahoma’s capital with the Dallas–Fort Worth metropolitan area.
  • 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–Denver
Triple: [Chicago, Burlington and Quincy Railroad, operatedRoute, Chicago–Denver]
Generated description
Chicago–Denver was a major long-distance passenger and freight rail route linking Chicago, Illinois, with Denver, Colorado, across the American Midwest and Great Plains.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Chicago–Denver
Target entity description: Chicago–Denver was a major long-distance passenger and freight rail route linking Chicago, Illinois, with Denver, Colorado, across the American Midwest and Great Plains.
  • A. Chicago–San Diego
    Chicago–San Diego was a prominent transcontinental passenger rail route of the Atchison, Topeka and Santa Fe Railway connecting the Midwest to Southern California.
  • B. Chicago–Los Angeles
    Chicago–Los Angeles is a major transcontinental rail and travel corridor in the United States connecting the Midwest to the Pacific Coast.
  • C. St. Louis–Dallas
    St. Louis–Dallas refers to the intercity rail corridor linking St. Louis, Missouri, with Dallas, Texas, historically served by passenger trains such as the Texas Special.
  • D. Cleveland–St. Louis
    Cleveland–St. Louis was a principal intercity rail corridor in the Midwestern United States that connected Cleveland, Ohio, with St. Louis, Missouri.
  • E. Oklahoma City – Fort Worth
    Oklahoma City–Fort Worth is the passenger rail corridor in the Southern Plains region of the United States that links Oklahoma’s capital with the Dallas–Fort Worth metropolitan area.
  • 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_69da6268a034819081cbd9ea5a1c9475 completed April 11, 2026, 3:02 p.m.
NER Named-entity recognition batch_69e668ed07c8819091bd9ffda237a91c completed April 20, 2026, 5:57 p.m.
NED1 Entity disambiguation (via context triple) batch_6a083c7b9fa08190bbf3c3da21ab21ba completed May 16, 2026, 9:44 a.m.
NEDg Description generation batch_6a084094eccc8190834a1335f3b70411 completed May 16, 2026, 10:01 a.m.
NED2 Entity disambiguation (via description) batch_6a0841a3f8e0819099c13e76d5f4285d completed May 16, 2026, 10:06 a.m.
Created at: April 11, 2026, 11:36 p.m.