Triple

T11698783
Position Surface form Disambiguated ID Type / Status
Subject Michigan City 11th Street station E278065 entity
Predicate partOfNetwork P840 FINISHED
Object Northern Indiana commuter rail network E278063 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: Northern Indiana commuter rail network | Statement: [Michigan City 11th Street station, partOfNetwork, Northern Indiana commuter rail network]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Northern Indiana commuter rail network
Context triple: [Michigan City 11th Street station, partOfNetwork, Northern Indiana commuter rail network]
  • A. Northern Indiana Commuter Transportation District chosen
    The Northern Indiana Commuter Transportation District is a public transit agency that oversees and funds commuter rail service in northern Indiana, including operations of the South Shore Line connecting the region to Chicago.
  • B. Chicago metropolitan area commuter rail network
    The Chicago metropolitan area commuter rail network is a regional passenger rail system serving Chicago and its surrounding suburbs, primarily operated by Metra.
  • C. Chicago and North Western Railway commuter network
    The Chicago and North Western Railway commuter network was a suburban passenger rail system serving the Chicago metropolitan area, operating multiple lines that connected downtown Chicago with its outlying communities.
  • D. Quad Cities MetroLINK
    Quad Cities MetroLINK is the public transit agency serving the Quad Cities region of Illinois and Iowa with fixed-route buses and related transportation services.
  • E. Rock Island District suburban commuter service
    Rock Island District suburban commuter service is a Metra-operated commuter rail line in the Chicago area that connects downtown Chicago with 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_69d6aafe02d881909900d54ad7d4af84 completed April 8, 2026, 7:22 p.m.
NER Named-entity recognition batch_69d8a47df68c81908a91919a69b4880d completed April 10, 2026, 7:19 a.m.
NED1 Entity disambiguation (via context triple) batch_69ef147e2e10819085eaed83fd955b6b completed April 27, 2026, 7:47 a.m.
Created at: April 8, 2026, 9:40 p.m.