Triple
T1188519
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MPEA |
E25302
|
entity |
| Predicate | fullName |
P16
|
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: [MPEA, fullName, 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: [MPEA, fullName, 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.
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.
-
C.
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.
-
D.
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.
-
E.
Exposition Park
Exposition Park is a major cultural and recreational complex in Los Angeles known for its museums, sports venues, and expansive public green 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_69a49427d98881908646d6c63b8cea1e |
completed | March 1, 2026, 7:31 p.m. |
| NER | Named-entity recognition | batch_69a4bd568cf481908d10cf19a3ce28f3 |
completed | March 1, 2026, 10:27 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ac764ccb1c8190a302137a0e67cb88 |
completed | March 7, 2026, 7:02 p.m. |
Created at: March 1, 2026, 7:45 p.m.