Triple

T8532139
Position Surface form Disambiguated ID Type / Status
Subject Elkhart, Indiana E201977 entity
Predicate hasRailStation P726 FINISHED
Object Elkhart station
Elkhart station is a historic passenger rail station in Elkhart, Indiana, serving Amtrak trains and housing a railroad museum.
 E740203 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: Elkhart station | Statement: [Elkhart, Indiana, hasRailStation, Elkhart station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Elkhart station
Context triple: [Elkhart, Indiana, hasRailStation, Elkhart station]
  • A. Racine station
    Racine station is a Chicago 'L' rapid transit stop on the Blue Line located in the Near West Side neighborhood of Chicago, Illinois.
  • B. Madison/Wells station
    Madison/Wells station was a former elevated rapid transit stop on Chicago’s Loop ‘L’ that once served trains on the city’s downtown circuit.
  • C. Adams/Wabash station
    Adams/Wabash station is an elevated Chicago "L" train stop in the Loop, serving multiple lines in the heart of downtown Chicago.
  • D. Tippecanoe station
    Tippecanoe station is a passenger rail stop on Southern California’s Arrow commuter rail line serving the San Bernardino area.
  • E. South Bend Airport station
    South Bend Airport station is a passenger rail station in South Bend, Indiana that serves as the eastern terminus of the South Shore Line commuter rail connecting to Chicago.
  • 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: Elkhart station
Triple: [Elkhart, Indiana, hasRailStation, Elkhart station]
Generated description
Elkhart station is a historic passenger rail station in Elkhart, Indiana, serving Amtrak trains and housing a railroad museum.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Elkhart station
Target entity description: Elkhart station is a historic passenger rail station in Elkhart, Indiana, serving Amtrak trains and housing a railroad museum.
  • A. Racine station
    Racine station is a Chicago 'L' rapid transit stop on the Blue Line located in the Near West Side neighborhood of Chicago, Illinois.
  • B. Madison/Wells station
    Madison/Wells station was a former elevated rapid transit stop on Chicago’s Loop ‘L’ that once served trains on the city’s downtown circuit.
  • C. Adams/Wabash station
    Adams/Wabash station is an elevated Chicago "L" train stop in the Loop, serving multiple lines in the heart of downtown Chicago.
  • D. Tippecanoe station
    Tippecanoe station is a passenger rail stop on Southern California’s Arrow commuter rail line serving the San Bernardino area.
  • E. South Bend Airport station
    South Bend Airport station is a passenger rail station in South Bend, Indiana that serves as the eastern terminus of the South Shore Line commuter rail connecting to Chicago.
  • 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_69ca832355b08190b8b6a4ab4a4a3554 completed March 30, 2026, 2:05 p.m.
NER Named-entity recognition batch_69cbe676e2ac8190b65a3d2a935776fd completed March 31, 2026, 3:21 p.m.
NED1 Entity disambiguation (via context triple) batch_69ce6d70f81881908ac784608ad7a2aa completed April 2, 2026, 1:21 p.m.
NEDg Description generation batch_69ce6e69213c8190add7eb9cc74b1a33 completed April 2, 2026, 1:26 p.m.
NED2 Entity disambiguation (via description) batch_69ce6f28ae6481909a8a13613f3eb5e0 completed April 2, 2026, 1:29 p.m.
Created at: March 30, 2026, 6:17 p.m.