Triple

T16645070
Position Surface form Disambiguated ID Type / Status
Subject Chicago–Ann Arbor corridor E404445 entity
Predicate notableStation P3858 FINISHED
Object Detroit station (Amtrak)
Detroit station (Amtrak) is a key intercity passenger rail station in Detroit, Michigan, serving as a major stop on Amtrak routes connecting the city with Chicago and other destinations in the Midwest.
 E1227177 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: Detroit station (Amtrak) | Statement: [Chicago–Ann Arbor corridor, notableStation, Detroit station (Amtrak)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Detroit station (Amtrak)
Context triple: [Chicago–Ann Arbor corridor, notableStation, Detroit station (Amtrak)]
  • A. Amtrak station Dearborn
    Amtrak station Dearborn is a passenger rail station in Dearborn, Michigan, serving Amtrak trains and connecting the city to regional and national rail routes.
  • B. Ann Arbor station
    Ann Arbor station is a key Amtrak passenger rail stop in Ann Arbor, Michigan, serving intercity trains along the busy Chicago–Detroit/Pontiac corridor.
  • C. Colfax Amtrak station
    Colfax Amtrak station is a passenger rail station in the historic Gold Rush town of Colfax, California, serving Amtrak’s California Zephyr route.
  • D. Mattoon Amtrak station
    Mattoon Amtrak station is a passenger rail station in Mattoon, Illinois, serving Amtrak trains on routes such as the City of New Orleans and Illini/Saluki.
  • E. Dyer Amtrak station
    Dyer Amtrak station is a passenger rail stop in Dyer, Indiana, served by Amtrak trains on the Cardinal route between Chicago and the eastern United States.
  • 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: Detroit station (Amtrak)
Triple: [Chicago–Ann Arbor corridor, notableStation, Detroit station (Amtrak)]
Generated description
Detroit station (Amtrak) is a key intercity passenger rail station in Detroit, Michigan, serving as a major stop on Amtrak routes connecting the city with Chicago and other destinations in the Midwest.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Detroit station (Amtrak)
Target entity description: Detroit station (Amtrak) is a key intercity passenger rail station in Detroit, Michigan, serving as a major stop on Amtrak routes connecting the city with Chicago and other destinations in the Midwest.
  • A. Amtrak station Dearborn
    Amtrak station Dearborn is a passenger rail station in Dearborn, Michigan, serving Amtrak trains and connecting the city to regional and national rail routes.
  • B. Ann Arbor station
    Ann Arbor station is a key Amtrak passenger rail stop in Ann Arbor, Michigan, serving intercity trains along the busy Chicago–Detroit/Pontiac corridor.
  • C. Colfax Amtrak station
    Colfax Amtrak station is a passenger rail station in the historic Gold Rush town of Colfax, California, serving Amtrak’s California Zephyr route.
  • D. Mattoon Amtrak station
    Mattoon Amtrak station is a passenger rail station in Mattoon, Illinois, serving Amtrak trains on routes such as the City of New Orleans and Illini/Saluki.
  • E. Dyer Amtrak station
    Dyer Amtrak station is a passenger rail stop in Dyer, Indiana, served by Amtrak trains on the Cardinal route between Chicago and the eastern United States.
  • 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_69d8838a41f08190b0c3f79c47df5078 completed April 10, 2026, 4:58 a.m.
NER Named-entity recognition batch_69e37ad4735c81908a3a227bf02ca489 completed April 18, 2026, 12:36 p.m.
NED1 Entity disambiguation (via context triple) batch_6a008a2ce64c8190970c86b729a6ff83 completed May 10, 2026, 1:37 p.m.
NEDg Description generation batch_6a008b001c988190b0ddec3be0ed6fd0 completed May 10, 2026, 1:41 p.m.
NED2 Entity disambiguation (via description) batch_6a008ba8227881908b1ac6e30d2e7c32 completed May 10, 2026, 1:44 p.m.
Created at: April 10, 2026, 5:18 a.m.