Triple

T1385935
Position Surface form Disambiguated ID Type / Status
Subject McCormick Place E29844 entity
Predicate operator P179 FINISHED
Object Metropolitan Pier and Exposition Authority E4080 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: Metropolitan Pier and Exposition Authority | Statement: [McCormick Place, operator, Metropolitan Pier and Exposition Authority]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Metropolitan Pier and Exposition Authority
Context triple: [McCormick Place, operator, Metropolitan Pier and Exposition Authority]
  • A. Metropolitan Pier and Exposition Authority chosen
    The Metropolitan Pier and Exposition Authority is a municipal corporation in Chicago that owns and operates major lakefront convention and tourism facilities, including Navy Pier and McCormick Place.
  • B. World’s Columbian Exposition Company
    The World’s Columbian Exposition Company was the corporate entity responsible for planning, financing, and managing the 1893 Chicago world’s fair celebrating the 400th anniversary of Christopher Columbus’s voyage.
  • C. Metropolitan Water Reclamation District of Greater Chicago
    The Metropolitan Water Reclamation District of Greater Chicago is a special-purpose governmental agency responsible for wastewater treatment, stormwater management, and flood control across the Chicago metropolitan area.
  • D. World's Fair Park
    World's Fair Park is a public park and event space in downtown Knoxville, Tennessee, built on the former site of the 1982 World's Fair and known for its iconic Sunsphere observation tower.
  • E. Los Angeles Department of Parks and Recreation
    The Los Angeles Department of Parks and Recreation is the municipal agency responsible for managing and maintaining the city’s public parks, recreational facilities, and open spaces.
  • 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_69a498dc92f8819094a1108f8ac90f43 completed March 1, 2026, 7:51 p.m.
NER Named-entity recognition batch_69a4c339f3d481909c04b14129899945 completed March 1, 2026, 10:52 p.m.
NED1 Entity disambiguation (via context triple) batch_69acd48fc7f88190a971e6b6fa01453e completed March 8, 2026, 1:44 a.m.
Created at: March 1, 2026, 7:59 p.m.