Triple

T2420839
Position Surface form Disambiguated ID Type / Status
Subject Dearborn E53412 entity
Predicate transportation P230 FINISHED
Object 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.
E266652 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: Amtrak station Dearborn | Statement: [Dearborn, transportation, Amtrak station Dearborn]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Amtrak station Dearborn
Context triple: [Dearborn, transportation, Amtrak station Dearborn]
  • A. Jackson Amtrak station
    Jackson Amtrak station is a historic passenger rail station in Jackson, Michigan, serving Amtrak trains on the Wolverine line between Chicago and Detroit/Pontiac.
  • B. Hillsdale station
    Hillsdale station is a Caltrain commuter rail stop in San Mateo, California, serving as a key transit hub for Peninsula commuters.
  • C. Lincoln station
    Lincoln station is a commuter rail stop in Lincoln, Massachusetts, serving passengers on the MBTA's Fitchburg Line.
  • D. Brookfield station
    Brookfield station is a commuter rail stop in Brookfield, Illinois, serving passengers on Metra’s BNSF Railway Line between Chicago and its western suburbs.
  • E. Washington/Wabash station
    Washington/Wabash station is a Chicago 'L' rapid transit station in the Loop that serves multiple elevated lines and replaced the former Randolph/Wabash and Madison/Wabash stations.
  • 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: Amtrak station Dearborn
Triple: [Dearborn, transportation, Amtrak station Dearborn]
Generated description
Amtrak station Dearborn is a passenger rail station in Dearborn, Michigan, serving Amtrak trains and connecting the city to regional and national rail routes.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Amtrak station Dearborn
Target entity description: Amtrak station Dearborn is a passenger rail station in Dearborn, Michigan, serving Amtrak trains and connecting the city to regional and national rail routes.
  • A. Jackson Amtrak station
    Jackson Amtrak station is a historic passenger rail station in Jackson, Michigan, serving Amtrak trains on the Wolverine line between Chicago and Detroit/Pontiac.
  • B. Plainfield station
    Plainfield station is a New Jersey Transit commuter rail stop in Plainfield, New Jersey, serving passengers on the Raritan Valley Line.
  • C. Hillsdale station
    Hillsdale station is a Caltrain commuter rail stop in San Mateo, California, serving as a key transit hub for Peninsula commuters.
  • D. Lincoln station
    Lincoln station is a commuter rail stop in Lincoln, Massachusetts, serving passengers on the MBTA's Fitchburg Line.
  • E. Brookfield station
    Brookfield station is a commuter rail stop in Brookfield, Illinois, serving passengers on Metra’s BNSF Railway Line between Chicago and its western suburbs.
  • 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_69ab495c44d48190b7235b23719bc3f6 completed March 6, 2026, 9:38 p.m.
NER Named-entity recognition batch_69abc96f97e08190978b2d873ab88859 completed March 7, 2026, 6:45 a.m.
NED1 Entity disambiguation (via context triple) batch_69aebf57b0708190bf4d38c51e02309f completed March 9, 2026, 12:38 p.m.
NEDg Description generation batch_69aec495e4e88190a1b9929161aba193 completed March 9, 2026, 1:01 p.m.
NED2 Entity disambiguation (via description) batch_69aec570ec88819089a2afc42aec1088 completed March 9, 2026, 1:04 p.m.
Created at: March 6, 2026, 9:42 p.m.