Triple
T57967
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Navy Pier |
E1147
|
entity |
| Predicate | ownedBy |
P347
|
FINISHED |
| Object |
Metropolitan Pier and Exposition Authority
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.
|
E4080
|
NE FINISHED |
How this triple was built (4 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: [Navy Pier, 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: [Navy Pier, ownedBy, Metropolitan Pier and Exposition Authority]
-
A.
Union Station Redevelopment Corporation
Union Station Redevelopment Corporation is a nonprofit organization responsible for managing, preserving, and overseeing the redevelopment of Washington, D.C.’s historic Union Station.
-
B.
Chicago Department of Cultural Affairs and Special Events
The Chicago Department of Cultural Affairs and Special Events is a city agency responsible for promoting arts, culture, and public events in Chicago through programming, festivals, and management of key cultural venues.
-
C.
Navy Pier
Navy Pier is a historic lakefront entertainment and cultural destination in Chicago featuring attractions like rides, restaurants, theaters, and exhibition spaces along Lake Michigan.
-
D.
Millennium Park
Millennium Park is a major public park and cultural attraction in downtown Chicago known for its modern art installations, architecture, and outdoor events.
-
E.
Chicago Transit Authority
The Chicago Transit Authority is the primary public transportation agency serving Chicago and several surrounding suburbs, operating the city’s extensive network of buses and rapid transit trains.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Metropolitan Pier and Exposition Authority Triple: [Navy Pier, ownedBy, Metropolitan Pier and Exposition Authority]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Metropolitan Pier and Exposition Authority Target entity description: 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.
-
A.
Union Station Redevelopment Corporation
Union Station Redevelopment Corporation is a nonprofit organization responsible for managing, preserving, and overseeing the redevelopment of Washington, D.C.’s historic Union Station.
-
B.
Chicago Department of Cultural Affairs and Special Events
The Chicago Department of Cultural Affairs and Special Events is a city agency responsible for promoting arts, culture, and public events in Chicago through programming, festivals, and management of key cultural venues.
-
C.
Navy Pier
Navy Pier is a historic lakefront entertainment and cultural destination in Chicago featuring attractions like rides, restaurants, theaters, and exhibition spaces along Lake Michigan.
-
D.
Millennium Park
Millennium Park is a major public park and cultural attraction in downtown Chicago known for its modern art installations, architecture, and outdoor events.
-
E.
Los Angeles County Metropolitan Transportation Authority
The Los Angeles County Metropolitan Transportation Authority is the primary public transit agency for Los Angeles County, operating and overseeing the region’s bus and rail systems.
- F. None of above. chosen
Provenance (5 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_69a248adc5b48190aa8db9fb092fb28a |
completed | Feb. 28, 2026, 1:45 a.m. |
| NER | Named-entity recognition | batch_69a24b1bf2c081908f20e13939b713ff |
completed | Feb. 28, 2026, 1:55 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a24e67ff508190af0f1a3dd232c836 |
completed | Feb. 28, 2026, 2:09 a.m. |
| NEDg | Description generation | batch_69a24f1747f0819085ed4ff644b26ea5 |
completed | Feb. 28, 2026, 2:12 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a24fccea748190bf167f0d3a6b3f81 |
completed | Feb. 28, 2026, 2:15 a.m. |
Created at: Feb. 28, 2026, 1:50 a.m.