Triple

T17201373
Position Surface form Disambiguated ID Type / Status
Subject Lagos, Portugal E417480 entity
Predicate hasHistoricalStructure P19823 FINISHED
Object slave market building (Mercado de Escravos)
The slave market building (Mercado de Escravos) is a historic 15th-century structure in Lagos, Portugal, recognized as one of Europe’s earliest slave markets and now serving as a museum documenting the transatlantic slave trade.
E1255318 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: slave market building (Mercado de Escravos) | Statement: [Lagos, Portugal, hasHistoricalStructure, slave market building (Mercado de Escravos)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: slave market building (Mercado de Escravos)
Context triple: [Lagos, Portugal, hasHistoricalStructure, slave market building (Mercado de Escravos)]
  • A. Palácio da Abolição
    Palácio da Abolição is a historic government building in Fortaleza, Brazil, which has served as the seat of the state government of Ceará and is notable for its modernist architecture and political significance.
  • B. Terreiro do Paço
    Terreiro do Paço is the historic riverfront square in Lisbon, Portugal, now commonly known as Praça do Comércio and famed as one of the city's largest and most important public plazas.
  • C. Ver-o-Peso Market
    Ver-o-Peso Market is a historic open-air market and cultural icon in Belém, Brazil, famed for its Amazonian foods, medicinal herbs, and vibrant riverside commerce.
  • D. Salaga Slave Market historical site
    The Salaga Slave Market historical site is a preserved location in northern Ghana where enslaved Africans were once traded, now serving as a memorial and educational site on the trans-Saharan and trans-Atlantic slave trades.
  • E. Mercado de São José
    Mercado de São José is a historic 19th-century iron market in Recife, Brazil, known for its traditional food stalls, crafts, and vibrant local commerce.
  • 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: slave market building (Mercado de Escravos)
Triple: [Lagos, Portugal, hasHistoricalStructure, slave market building (Mercado de Escravos)]
Generated description
The slave market building (Mercado de Escravos) is a historic 15th-century structure in Lagos, Portugal, recognized as one of Europe’s earliest slave markets and now serving as a museum documenting the transatlantic slave trade.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: slave market building (Mercado de Escravos)
Target entity description: The slave market building (Mercado de Escravos) is a historic 15th-century structure in Lagos, Portugal, recognized as one of Europe’s earliest slave markets and now serving as a museum documenting the transatlantic slave trade.
  • A. Palácio da Abolição
    Palácio da Abolição is a historic government building in Fortaleza, Brazil, which has served as the seat of the state government of Ceará and is notable for its modernist architecture and political significance.
  • B. Terreiro do Paço
    Terreiro do Paço is the historic riverfront square in Lisbon, Portugal, now commonly known as Praça do Comércio and famed as one of the city's largest and most important public plazas.
  • C. Ver-o-Peso Market
    Ver-o-Peso Market is a historic open-air market and cultural icon in Belém, Brazil, famed for its Amazonian foods, medicinal herbs, and vibrant riverside commerce.
  • D. Salaga Slave Market historical site
    The Salaga Slave Market historical site is a preserved location in northern Ghana where enslaved Africans were once traded, now serving as a memorial and educational site on the trans-Saharan and trans-Atlantic slave trades.
  • E. Mercado de São José
    Mercado de São José is a historic 19th-century iron market in Recife, Brazil, known for its traditional food stalls, crafts, and vibrant local commerce.
  • 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_69d886d6ba8c819093215917b3d01689 completed April 10, 2026, 5:12 a.m.
NER Named-entity recognition batch_69e42daf2e5c81909c97d2e7a3ed7b88 completed April 19, 2026, 1:19 a.m.
NED1 Entity disambiguation (via context triple) batch_6a015fda06788190882aef1a57356e41 completed May 11, 2026, 4:49 a.m.
NEDg Description generation batch_6a0160a0f8248190bc187ea121ea6753 completed May 11, 2026, 4:52 a.m.
NED2 Entity disambiguation (via description) batch_6a016127c0388190a2a869a46f13b3d1 completed May 11, 2026, 4:55 a.m.
Created at: April 10, 2026, 5:38 a.m.