Triple

T16482753
Position Surface form Disambiguated ID Type / Status
Subject Vidy, Lausanne E400361 entity
Predicate eventHosted P613 FINISHED
Object Expo 64
Expo 64 was the 1964 Swiss National Exhibition, a major cultural and technological showcase held in Lausanne.
 E1216998 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: Expo 64 | Statement: [Vidy, Lausanne, eventHosted, Expo 64]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Expo 64
Context triple: [Vidy, Lausanne, eventHosted, Expo 64]
  • A. Expo 86
    Expo 86 was a world's fair held in Vancouver, Canada, in 1986, best known for showcasing transportation and communication technologies and spurring major urban development in the city.
  • B. Expo 93
    Expo 93 was an international exposition held in 1993 in Daejeon, South Korea, showcasing advances in science, technology, and culture.
  • C. Expo '74 World's Fair
    Expo '74 World's Fair was an environmentally themed international exposition held in 1974 that helped revitalize Spokane’s downtown riverfront and showcased emerging ideas about sustainability and urban renewal.
  • D. Expo '75
    Expo '75 was a world's fair held in Okinawa, Japan, that showcased marine science and technology while promoting the island's post-reversion development and international exchange.
  • E. Expo '81
    Expo '81 was a world's fair held in 1981, serving as the subsequent international exposition after Expo '75.
  • 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: Expo 64
Triple: [Vidy, Lausanne, eventHosted, Expo 64]
Generated description
Expo 64 was the 1964 Swiss National Exhibition, a major cultural and technological showcase held in Lausanne.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Expo 64
Target entity description: Expo 64 was the 1964 Swiss National Exhibition, a major cultural and technological showcase held in Lausanne.
  • A. Expo 86
    Expo 86 was a world's fair held in Vancouver, Canada, in 1986, best known for showcasing transportation and communication technologies and spurring major urban development in the city.
  • B. Expo 93
    Expo 93 was an international exposition held in 1993 in Daejeon, South Korea, showcasing advances in science, technology, and culture.
  • C. Expo '74 World's Fair
    Expo '74 World's Fair was an environmentally themed international exposition held in 1974 that helped revitalize Spokane’s downtown riverfront and showcased emerging ideas about sustainability and urban renewal.
  • D. Expo '75
    Expo '75 was a world's fair held in Okinawa, Japan, that showcased marine science and technology while promoting the island's post-reversion development and international exchange.
  • E. Expo '81
    Expo '81 was a world's fair held in 1981, serving as the subsequent international exposition after Expo '75.
  • 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_69d883813098819084f5409539723b59 completed April 10, 2026, 4:58 a.m.
NER Named-entity recognition batch_69e32e03643881908b16ddb9004af5d0 completed April 18, 2026, 7:08 a.m.
NED1 Entity disambiguation (via context triple) batch_6a005820790c819088d953eeea09328d completed May 10, 2026, 10:04 a.m.
NEDg Description generation batch_6a0059126e588190b531c145f3c155b4 completed May 10, 2026, 10:08 a.m.
NED2 Entity disambiguation (via description) batch_6a0059b5a1f8819089caefc121246739 completed May 10, 2026, 10:11 a.m.
Created at: April 10, 2026, 5:13 a.m.