Triple

T9033126
Position Surface form Disambiguated ID Type / Status
Subject Chicago expressway system E216421 entity
Predicate maintainedBy P86 FINISHED
Object City of Chicago Department of Transportation E91997 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: City of Chicago Department of Transportation | Statement: [Chicago expressway system, maintainedBy, City of Chicago Department of Transportation]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: City of Chicago Department of Transportation
Context triple: [Chicago expressway system, maintainedBy, City of Chicago Department of Transportation]
  • A. Chicago Department of Transportation chosen
    The Chicago Department of Transportation is the city agency responsible for planning, building, and maintaining Chicago’s transportation infrastructure, including streets, bridges, and pedestrian facilities.
  • B. Chicago Department of Streets and Sanitation
    The Chicago Department of Streets and Sanitation is the city agency responsible for services such as garbage collection, street cleaning, snow removal, and rodent control in Chicago.
  • C. Chicago Department of Planning and Development
    The Chicago Department of Planning and Development is the city agency responsible for guiding land use, zoning, urban design, and economic development initiatives across Chicago.
  • D. Detroit Department of Transportation
    The Detroit Department of Transportation is the city agency responsible for operating and managing Detroit’s public transit services, including its bus network and related transportation infrastructure.
  • E. Illinois Department of Transportation
    The Illinois Department of Transportation is the state agency responsible for planning, building, and maintaining Illinois’s transportation infrastructure, including highways, public transit, rail, and aviation systems.
  • 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_69ca83d10b608190b2b2f8e0a7faaf14 completed March 30, 2026, 2:08 p.m.
NER Named-entity recognition batch_69cc6aa0c89c81909792190f08fef8df completed April 1, 2026, 12:45 a.m.
NED1 Entity disambiguation (via context triple) batch_69cfdbc9c6e08190aa71d84316afc6d5 completed April 3, 2026, 3:24 p.m.
Created at: March 30, 2026, 7:08 p.m.