Triple

T20179233
Position Surface form Disambiguated ID Type / Status
Subject Chicago–Twin Cities route E492680 entity
Predicate servedByNamedTrain P138983 FINISHED
Object Twin Cities 400
Twin Cities 400 was a famous high-speed passenger train operated by the Chicago & North Western Railway between Chicago and the Minneapolis–St. Paul metropolitan area.
 E1417219 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: Twin Cities 400 | Statement: [Chicago–Twin Cities route, servedByNamedTrain, Twin Cities 400]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Twin Cities 400
Context triple: [Chicago–Twin Cities route, servedByNamedTrain, Twin Cities 400]
  • A. Tropicana 400
    The Tropicana 400 was a NASCAR Cup Series stock car race held at Chicagoland Speedway, known for being one of the track’s early marquee summer events.
  • B. Food City 500
    The Food City 500 is a NASCAR Cup Series stock car race held annually at Bristol Motor Speedway, known for its short-track intensity and frequent on-track action.
  • C. Auto Club 400
    The Auto Club 400 is a NASCAR Cup Series stock car race held annually at Auto Club Speedway in Fontana, California.
  • D. Alsco Uniforms 300
    The Alsco Uniforms 300 is a NASCAR Xfinity Series stock car race held annually at Charlotte Motor Speedway in Concord, North Carolina.
  • E. Hollywood Casino 400
    The Hollywood Casino 400 is a NASCAR Cup Series stock car race held annually at Kansas Speedway in Kansas City, Kansas.
  • 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: Twin Cities 400
Triple: [Chicago–Twin Cities route, servedByNamedTrain, Twin Cities 400]
Generated description
Twin Cities 400 was a famous high-speed passenger train operated by the Chicago & North Western Railway between Chicago and the Minneapolis–St. Paul metropolitan area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Twin Cities 400
Target entity description: Twin Cities 400 was a famous high-speed passenger train operated by the Chicago & North Western Railway between Chicago and the Minneapolis–St. Paul metropolitan area.
  • A. Tropicana 400
    The Tropicana 400 was a NASCAR Cup Series stock car race held at Chicagoland Speedway, known for being one of the track’s early marquee summer events.
  • B. Food City 500
    The Food City 500 is a NASCAR Cup Series stock car race held annually at Bristol Motor Speedway, known for its short-track intensity and frequent on-track action.
  • C. Auto Club 400
    The Auto Club 400 is a NASCAR Cup Series stock car race held annually at Auto Club Speedway in Fontana, California.
  • D. Alsco Uniforms 300
    The Alsco Uniforms 300 is a NASCAR Xfinity Series stock car race held annually at Charlotte Motor Speedway in Concord, North Carolina.
  • E. Hollywood Casino 400
    The Hollywood Casino 400 is a NASCAR Cup Series stock car race held annually at Kansas Speedway in Kansas City, Kansas.
  • 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.