Triple

T6692325
Position Surface form Disambiguated ID Type / Status
Subject Milwaukee Road E152656 entity
Predicate operatedPassengerTrain P31751 FINISHED
Object Twin Cities Hiawatha
Twin Cities Hiawatha was a streamlined inter-city passenger train that provided fast, stylish service between Chicago and the Minneapolis–Saint Paul "Twin Cities" during the mid-20th century.
E612557 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 Hiawatha | Statement: [Milwaukee Road, operatedPassengerTrain, Twin Cities Hiawatha]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Twin Cities Hiawatha
Context triple: [Milwaukee Road, operatedPassengerTrain, Twin Cities Hiawatha]
  • A. Twin Cities Zephyr
    The Twin Cities Zephyr was a streamlined passenger train that provided fast, stylish service between Chicago and the Minneapolis–St. Paul "Twin Cities" during the mid-20th century.
  • B. Amtrak Hiawatha Service
    Amtrak Hiawatha Service is a frequent intercity passenger rail route operated by Amtrak between Chicago, Illinois, and Milwaukee, Wisconsin.
  • C. Amtrak Heartland Flyer
    The Amtrak Heartland Flyer is a daily passenger train route that operates between Oklahoma City, Oklahoma, and Fort Worth, Texas, providing regional rail service through the Southern Plains.
  • D. Amtrak Missouri River Runner
    Amtrak Missouri River Runner is a passenger train service operated by Amtrak that runs between Kansas City and St. Louis along the Missouri River corridor.
  • E. Amtrak Wolverine service
    Amtrak Wolverine service is a passenger rail line operated by Amtrak that runs between Chicago and Pontiac in Michigan, serving key cities across the state.
  • 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 Hiawatha
Triple: [Milwaukee Road, operatedPassengerTrain, Twin Cities Hiawatha]
Generated description
Twin Cities Hiawatha was a streamlined inter-city passenger train that provided fast, stylish service between Chicago and the Minneapolis–Saint Paul "Twin Cities" during the mid-20th century.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Twin Cities Hiawatha
Target entity description: Twin Cities Hiawatha was a streamlined inter-city passenger train that provided fast, stylish service between Chicago and the Minneapolis–Saint Paul "Twin Cities" during the mid-20th century.
  • A. Twin Cities Zephyr
    The Twin Cities Zephyr was a streamlined passenger train that provided fast, stylish service between Chicago and the Minneapolis–St. Paul "Twin Cities" during the mid-20th century.
  • B. Amtrak Hiawatha Service
    Amtrak Hiawatha Service is a frequent intercity passenger rail route operated by Amtrak between Chicago, Illinois, and Milwaukee, Wisconsin.
  • C. Amtrak Heartland Flyer
    The Amtrak Heartland Flyer is a daily passenger train route that operates between Oklahoma City, Oklahoma, and Fort Worth, Texas, providing regional rail service through the Southern Plains.
  • D. Amtrak Missouri River Runner
    Amtrak Missouri River Runner is a passenger train service operated by Amtrak that runs between Kansas City and St. Louis along the Missouri River corridor.
  • E. Amtrak Wolverine service
    Amtrak Wolverine service is a passenger rail line operated by Amtrak that runs between Chicago and Pontiac in Michigan, serving key cities across the state.
  • 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_69c6880687b08190805278b504d1c92c completed March 27, 2026, 1:37 p.m.
NER Named-entity recognition batch_69c6b193a8c08190a99152a8eca018e6 completed March 27, 2026, 4:34 p.m.
NED1 Entity disambiguation (via context triple) batch_69c6f7b70ef88190b605c3c70a941cdb completed March 27, 2026, 9:33 p.m.
NEDg Description generation batch_69c6f86efd00819099d48fe7cb9640a3 completed March 27, 2026, 9:36 p.m.
NED2 Entity disambiguation (via description) batch_69c6f91ac7788190832a133c4fe046f1 completed March 27, 2026, 9:39 p.m.
Created at: March 27, 2026, 2:05 p.m.