Triple

T407192
Position Surface form Disambiguated ID Type / Status
Subject Barcelona E9407 entity
Predicate hostedEvent P613 FINISHED
Object 1888 Barcelona Universal Exposition
The 1888 Barcelona Universal Exposition was a world's fair that showcased industrial, scientific, and artistic achievements while spurring major urban development and modernization in Barcelona.
E51265 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: 1888 Barcelona Universal Exposition | Statement: [Barcelona, hostedEvent, 1888 Barcelona Universal Exposition]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: 1888 Barcelona Universal Exposition
Context triple: [Barcelona, hostedEvent, 1888 Barcelona Universal Exposition]
  • A. 1878 Exposition Universelle
    The 1878 Exposition Universelle was a world's fair held in Paris to showcase French recovery after the Franco-Prussian War and to celebrate advances in industry, technology, and the arts.
  • B. 1889 Exposition Universelle
    The 1889 Exposition Universelle was a world's fair held to celebrate the 100th anniversary of the French Revolution, best known for unveiling the Eiffel Tower as its centerpiece.
  • C. 1900 Exposition Universelle
    The 1900 Exposition Universelle was a world's fair held to showcase the achievements of the 19th century and emerging innovations of the 20th, featuring landmark attractions like the Grand Palais and the first Paris Métro line.
  • D. Paris Salon of 1884
    The Paris Salon of 1884 was the official annual art exhibition of the French Académie des Beaux-Arts in Paris, serving as a major showcase for contemporary painting and sculpture in the late 19th century.
  • E. Panama–Pacific International Exposition
    The Panama–Pacific International Exposition was a major world's fair held in San Francisco in 1915 to celebrate the opening of the Panama Canal and showcase the city's recovery from the 1906 earthquake.
  • 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: 1888 Barcelona Universal Exposition
Triple: [Barcelona, hostedEvent, 1888 Barcelona Universal Exposition]
Generated description
The 1888 Barcelona Universal Exposition was a world's fair that showcased industrial, scientific, and artistic achievements while spurring major urban development and modernization in Barcelona.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: 1888 Barcelona Universal Exposition
Target entity description: The 1888 Barcelona Universal Exposition was a world's fair that showcased industrial, scientific, and artistic achievements while spurring major urban development and modernization in Barcelona.
  • A. 1878 Exposition Universelle
    The 1878 Exposition Universelle was a world's fair held in Paris to showcase French recovery after the Franco-Prussian War and to celebrate advances in industry, technology, and the arts.
  • B. 1889 Exposition Universelle
    The 1889 Exposition Universelle was a world's fair held to celebrate the 100th anniversary of the French Revolution, best known for unveiling the Eiffel Tower as its centerpiece.
  • C. 1900 Exposition Universelle
    The 1900 Exposition Universelle was a world's fair held to showcase the achievements of the 19th century and emerging innovations of the 20th, featuring landmark attractions like the Grand Palais and the first Paris Métro line.
  • D. Paris Salon of 1884
    The Paris Salon of 1884 was the official annual art exhibition of the French Académie des Beaux-Arts in Paris, serving as a major showcase for contemporary painting and sculpture in the late 19th century.
  • E. Panama–Pacific International Exposition
    The Panama–Pacific International Exposition was a major world's fair held in San Francisco in 1915 to celebrate the opening of the Panama Canal and showcase the city's recovery from the 1906 earthquake.
  • 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_69a2e80111fc8190961d5b7c6154123f completed Feb. 28, 2026, 1:05 p.m.
NER Named-entity recognition batch_69a2ecbd766c8190bb8a91605929156a completed Feb. 28, 2026, 1:25 p.m.
NED1 Entity disambiguation (via context triple) batch_69a413f75e5481908b7a0f070dec5c56 completed March 1, 2026, 10:24 a.m.
NEDg Description generation batch_69a41464d2a8819085ee2fc8a86a7628 completed March 1, 2026, 10:26 a.m.
NED2 Entity disambiguation (via description) batch_69a414a7aff08190ab54f4118cec790d completed March 1, 2026, 10:27 a.m.
Created at: Feb. 28, 2026, 1:08 p.m.