Triple

T20179373
Position Surface form Disambiguated ID Type / Status
Subject Mark Twain Zephyr E492684 entity
Predicate operatedOnRoute P21808 FINISHED
Object St. Louis–Hannibal–Quincy route NE NERFINISHED

How this triple was built (3 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: St. Louis–Hannibal–Quincy route | Statement: [Mark Twain Zephyr, operatedOnRoute, St. Louis–Hannibal–Quincy route]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: St. Louis–Hannibal–Quincy route
Context triple: [Mark Twain Zephyr, operatedOnRoute, St. Louis–Hannibal–Quincy route]
  • A. Chicago–St. Louis rail corridor
    The Chicago–St. Louis rail corridor is a major Midwestern passenger and freight rail route linking Chicago, Illinois, with St. Louis, Missouri, and serving as a key component of the region’s transportation network.
  • B. Mississippi River navigation route
    The Mississippi River navigation route is a major inland waterway system that supports extensive commercial shipping and transportation through the central United States.
  • C. 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.
  • D. Central Corridor of St. Louis
    The Central Corridor of St. Louis is a major urban spine running through the city that encompasses several of its most prominent neighborhoods, cultural institutions, and employment centers.
  • E. Kansas City–Gulf Coast corridor
    The Kansas City–Gulf Coast corridor is a major freight rail route linking the U.S. Midwest around Kansas City with key ports and industrial centers along the Gulf Coast.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: St. Louis–Hannibal–Quincy route
Target entity description: The St. Louis–Hannibal–Quincy route was a Midwestern passenger rail corridor linking St. Louis, Missouri with Hannibal and Quincy along the Mississippi River.
  • A. Chicago–St. Louis rail corridor
    The Chicago–St. Louis rail corridor is a major Midwestern passenger and freight rail route linking Chicago, Illinois, with St. Louis, Missouri, and serving as a key component of the region’s transportation network.
  • B. Mississippi River navigation route
    The Mississippi River navigation route is a major inland waterway system that supports extensive commercial shipping and transportation through the central United States.
  • C. 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.
  • D. Central Corridor of St. Louis
    The Central Corridor of St. Louis is a major urban spine running through the city that encompasses several of its most prominent neighborhoods, cultural institutions, and employment centers.
  • E. Kansas City–Gulf Coast corridor
    The Kansas City–Gulf Coast corridor is a major freight rail route linking the U.S. Midwest around Kansas City with key ports and industrial centers along the Gulf Coast.
  • F. None of above. chosen

Provenance (2 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_69e668edf27881909820f9103e72533e completed April 20, 2026, 5:57 p.m.
Created at: April 11, 2026, 11:36 p.m.