Triple

T7252218
Position Surface form Disambiguated ID Type / Status
Subject Lakeside Center E157629 entity
Predicate ownedBy P347 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: [Lakeside Center, ownedBy, 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: [Lakeside Center, ownedBy, 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 Entertainment & Convention Authority
    Metropolitan Entertainment & Convention Authority is a public organization in Omaha, Nebraska that manages and operates major local sports and entertainment venues and convention facilities.
  • D. Metropolitan Park Commission
    The Metropolitan Park Commission was a public agency responsible for planning, developing, and managing a regional system of parks and parkways.
  • E. 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.
  • 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_69c6882d81d4819085f7ff862951ee4f completed March 27, 2026, 1:37 p.m.
NER Named-entity recognition batch_69c6ea7ae0e48190bd80c91bad1976c6 completed March 27, 2026, 8:37 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7d3a7502081909d2a97a60cc445ae completed March 28, 2026, 1:12 p.m.
Created at: March 27, 2026, 2:56 p.m.