Triple

T199944
Position Surface form Disambiguated ID Type / Status
Subject Metropolitan Pier and Exposition Authority E4080 entity
Predicate hasNameAbbreviation P8075 FINISHED
Object MPEA
MPEA is the commonly used abbreviation for the Metropolitan Pier and Exposition Authority, the public agency that owns and operates Chicago’s McCormick Place convention center and Navy Pier.
E25302 NE FINISHED

How this triple was built (5 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: MPEA | Statement: [Metropolitan Pier and Exposition Authority, hasNameAbbreviation, MPEA]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: MPEA
Context triple: [Metropolitan Pier and Exposition Authority, hasNameAbbreviation, MPEA]
  • A. MAA
    MAA is the acronym for the Maryland Aviation Administration, the state agency that oversees and manages Maryland’s public-use airports, including Baltimore/Washington International Thurgood Marshall Airport.
  • B. MOE
    MOE is the common abbreviation for Japan’s Ministry of Education, the government body responsible for national education policy and administration.
  • C. ECA
    The Economic Cooperation Administration (ECA) was the U.S. government agency responsible for administering the Marshall Plan to aid European economic recovery after World War II.
  • D. ECA
    ECA is a regional United Nations commission focused on promoting economic and social development across the African continent.
  • E. EAPS
    EAPS is an academic department focused on the study and research of Earth, its atmosphere, and other planetary bodies.
  • 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: MPEA
Triple: [Metropolitan Pier and Exposition Authority, hasNameAbbreviation, MPEA]
Generated description
MPEA is the commonly used abbreviation for the Metropolitan Pier and Exposition Authority, the public agency that owns and operates Chicago’s McCormick Place convention center and Navy Pier.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: MPEA
Target entity description: MPEA is the commonly used abbreviation for the Metropolitan Pier and Exposition Authority, the public agency that owns and operates Chicago’s McCormick Place convention center and Navy Pier.
  • A. MAA
    MAA is the acronym for the Maryland Aviation Administration, the state agency that oversees and manages Maryland’s public-use airports, including Baltimore/Washington International Thurgood Marshall Airport.
  • B. MOE
    MOE is the common abbreviation for Japan’s Ministry of Education, the government body responsible for national education policy and administration.
  • C. ECA
    The Economic Cooperation Administration (ECA) was the U.S. government agency responsible for administering the Marshall Plan to aid European economic recovery after World War II.
  • D. ECA
    ECA is a regional United Nations commission focused on promoting economic and social development across the African continent.
  • E. EAPS
    EAPS is an academic department focused on the study and research of Earth, its atmosphere, and other planetary bodies.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hasNameAbbreviation
Context triple: [Metropolitan Pier and Exposition Authority, hasNameAbbreviation, MPEA]
  • A. hasPostalAbbreviationState
    Indicates that a state is associated with a specific standardized postal abbreviation.
  • B. notAbbreviationOf
    Indicates that one term is explicitly asserted not to be an abbreviation or shortened form of another term.
  • C. hasEnglishName
    Indicates that an entity is associated with a name expressed in the English language.
  • D. hasLatinName
    Indicates that an entity is associated with a specific Latin (scientific) name.
  • E. hasFourLetterCode
    Indicates that an entity is associated with a code consisting of exactly four characters.
  • F. None of above. chosen

Provenance (7 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_69a254bca59881909a15e1496f1508c7 completed Feb. 28, 2026, 2:36 a.m.
NER Named-entity recognition batch_69a25bcc6dc88190b8c24b485588dfe4 completed Feb. 28, 2026, 3:06 a.m.
NED1 Entity disambiguation (via context triple) batch_69a31c9530a88190b04a08b521fcd207 completed Feb. 28, 2026, 4:49 p.m.
NEDg Description generation batch_69a31e77d1548190a1cd9e38e57d1da7 completed Feb. 28, 2026, 4:57 p.m.
NED2 Entity disambiguation (via description) batch_69a31ecd935c8190bce5ebe024568e7e completed Feb. 28, 2026, 4:58 p.m.
PD Predicate disambiguation batch_69a25b4886b48190b46fd2244648a098 completed Feb. 28, 2026, 3:04 a.m.
PDg Predicate description generation batch_69a25bc6ba208190aa8bec59d32f95fd completed Feb. 28, 2026, 3:06 a.m.
Created at: Feb. 28, 2026, 2:44 a.m.