Triple

T12731622
Position Surface form Disambiguated ID Type / Status
Subject Hegewisch station E304251 entity
Predicate owner P347 FINISHED
Object Northern Indiana Commuter Transportation District 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 Transportation District | Statement: [Hegewisch station, owner, Northern Indiana Commuter Transportation District]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Northern Indiana Commuter Transportation District
Context triple: [Hegewisch station, owner, Northern Indiana Commuter Transportation District]
  • 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. Sangamon Mass Transit District
    Sangamon Mass Transit District is the primary public bus transportation agency serving Springfield and surrounding areas in Sangamon County, Illinois.
  • C. Madison Metro
    Madison Metro is the primary public bus transit system serving the city of Madison, Wisconsin and its surrounding communities.
  • D. Champaign–Urbana Mass Transit District
    The Champaign–Urbana Mass Transit District is the primary public bus system serving the Champaign–Urbana metropolitan area and the University of Illinois campus in Illinois.
  • E. 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.
  • 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_69d7bdf1426c8190a4402e1c4cdec33a completed April 9, 2026, 2:55 p.m.
NER Named-entity recognition batch_69d96467a2248190aff1ebb5db84b3c6 completed April 10, 2026, 8:58 p.m.
NED1 Entity disambiguation (via context triple) batch_69f684e7dec08190b522a8f3bfde6fe2 completed May 2, 2026, 11:12 p.m.
Created at: April 9, 2026, 5:25 p.m.