Triple

T2473275
Position Surface form Disambiguated ID Type / Status
Subject Milwaukee Intermodal Station E55024 entity
Predicate connectsTo P845 FINISHED
Object Chicago Union Station via Hiawatha Service E17115 NE FINISHED

How this triple was built (2 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: Chicago Union Station via Hiawatha Service | Statement: [Milwaukee Intermodal Station, connectsTo, Chicago Union Station via Hiawatha Service]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Chicago Union Station via Hiawatha Service
Context triple: [Milwaukee Intermodal Station, connectsTo, Chicago Union Station via Hiawatha Service]
  • A. Amtrak services at Chicago Union Station
    Amtrak services at Chicago Union Station comprise a major hub of intercity passenger rail routes connecting Chicago with numerous destinations across the United States.
  • B. Chicago Union Station chosen
    Chicago Union Station is a major intercity and commuter rail terminal in downtown Chicago that serves as a central hub for Amtrak and regional rail services.
  • C. Midway station (CTA)
    Midway station (CTA) is the Chicago Transit Authority rapid transit terminal serving Midway International Airport on the Orange Line.
  • D. University City station
    University City station is a SEPTA regional rail stop in Philadelphia serving the University City district and nearby academic and medical institutions.
  • E. Oak Forest station
    Oak Forest station is a commuter rail stop in Oak Forest, Illinois, serving Metra's Rock Island District line between Chicago and its southwestern suburbs.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69ab49e279e88190ab10d7248aea9d11 completed March 6, 2026, 9:40 p.m.
NER Named-entity recognition batch_69abd149c10c819098ff75f176972c8b completed March 7, 2026, 7:18 a.m.
NED1 Entity disambiguation (via context triple) batch_69af17a8d87c819084637958a5dc4028 completed March 9, 2026, 6:55 p.m.
Created at: March 6, 2026, 9:45 p.m.