Triple

T21959752
Position Surface form Disambiguated ID Type / Status
Subject Praça Infante Dom Henrique E542291 entity
Predicate locatedNear P294 FINISHED
Object Lagos slave market building
The Lagos slave market building is a historic structure in Lagos, Portugal, recognized as one of Europe’s earliest slave markets and a stark reminder of the transatlantic slave trade.
E1510211 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: Lagos slave market building | Statement: [Praça Infante Dom Henrique, locatedNear, Lagos slave market building]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Lagos slave market building
Context triple: [Praça Infante Dom Henrique, locatedNear, Lagos slave market building]
  • A. Badagry Slave Museum
    Badagry Slave Museum is a historical museum in Badagry, Nigeria that documents the transatlantic slave trade and preserves artifacts and narratives related to the enslavement and export of Africans.
  • B. Lagos City Hall
    Lagos City Hall is a historic civic and administrative building serving as a key governmental and ceremonial venue in Lagos, Nigeria.
  • C. Royal Palace of the Oba of Benin
    The Royal Palace of the Oba of Benin is the historic seat of the Benin monarchy and a major cultural and spiritual center renowned for its traditional architecture and rich artistic heritage.
  • D. Oba of Lagos Palace
    The Oba of Lagos Palace is the historic royal residence and ceremonial seat of the traditional ruler of Lagos, located in the heart of the city’s old quarter.
  • E. Presidential Palace of Benin
    The Presidential Palace of Benin is the official residence and main executive office of the President of Benin, located in the coastal city of Cotonou.
  • 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: Lagos slave market building
Triple: [Praça Infante Dom Henrique, locatedNear, Lagos slave market building]
Generated description
The Lagos slave market building is a historic structure in Lagos, Portugal, recognized as one of Europe’s earliest slave markets and a stark reminder of the transatlantic slave trade.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Lagos slave market building
Target entity description: The Lagos slave market building is a historic structure in Lagos, Portugal, recognized as one of Europe’s earliest slave markets and a stark reminder of the transatlantic slave trade.
  • A. Badagry Slave Museum
    Badagry Slave Museum is a historical museum in Badagry, Nigeria that documents the transatlantic slave trade and preserves artifacts and narratives related to the enslavement and export of Africans.
  • B. Lagos City Hall
    Lagos City Hall is a historic civic and administrative building serving as a key governmental and ceremonial venue in Lagos, Nigeria.
  • C. Royal Palace of the Oba of Benin
    The Royal Palace of the Oba of Benin is the historic seat of the Benin monarchy and a major cultural and spiritual center renowned for its traditional architecture and rich artistic heritage.
  • D. Oba of Lagos Palace
    The Oba of Lagos Palace is the historic royal residence and ceremonial seat of the traditional ruler of Lagos, located in the heart of the city’s old quarter.
  • E. Presidential Palace of Benin
    The Presidential Palace of Benin is the official residence and main executive office of the President of Benin, located in the coastal city of Cotonou.
  • 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_69e0c47fab1081908dc74a6545dbb051 completed April 16, 2026, 11:14 a.m.
NER Named-entity recognition batch_69f12454a290819094d4b56547816e3f completed April 28, 2026, 9:19 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0a670c96d48190bb2e654429ef2940 completed May 18, 2026, 1:10 a.m.
NEDg Description generation batch_6a0a67a1c82881909f71e24139576c31 completed May 18, 2026, 1:13 a.m.
NED2 Entity disambiguation (via description) batch_6a0a68583248819085f413692d35c1b9 completed May 18, 2026, 1:16 a.m.
Created at: April 16, 2026, 8 p.m.