Triple

T4539870
Position Surface form Disambiguated ID Type / Status
Subject Stephen P. Boyd E107500 entity
Predicate coAuthor P398 FINISHED
Object Laurent El Ghaoui
Laurent El Ghaoui is a researcher and professor known for his contributions to optimization, control theory, and robust optimization in engineering and applied mathematics.
 E451071 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: Laurent El Ghaoui | Statement: [Stephen P. Boyd, coAuthor, Laurent El Ghaoui]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Laurent El Ghaoui
Context triple: [Stephen P. Boyd, coAuthor, Laurent El Ghaoui]
  • A. Frédéric Boissonnas
    Frédéric Boissonnas was a pioneering Swiss photographer renowned for his early 20th-century landscape and travel photography, particularly his influential work documenting Greece and its mountains.
  • B. Laurent Boutonnat
    Laurent Boutonnat is a French composer, songwriter, and music video director best known for his long-term creative collaboration with singer Mylène Farmer and for producing and writing songs for artists such as Alizée.
  • C. Jean-Philippe Vassal
    Jean-Philippe Vassal is a prominent French architect, best known as co-founder of the firm Lacaton & Vassal and for his innovative, socially conscious housing and renovation projects.
  • D. Jérôme Coumet
    Jérôme Coumet is a French politician who serves as the mayor of Paris's 13th arrondissement.
  • E. Grégoire Lyonnet
    Grégoire Lyonnet is a French professional dancer best known for his appearances on the TV show "Danse avec les stars" and his marriage to singer Alizée.
  • 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: Laurent El Ghaoui
Triple: [Stephen P. Boyd, coAuthor, Laurent El Ghaoui]
Generated description
Laurent El Ghaoui is a researcher and professor known for his contributions to optimization, control theory, and robust optimization in engineering and applied mathematics.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Laurent El Ghaoui
Target entity description: Laurent El Ghaoui is a researcher and professor known for his contributions to optimization, control theory, and robust optimization in engineering and applied mathematics.
  • A. Frédéric Boissonnas
    Frédéric Boissonnas was a pioneering Swiss photographer renowned for his early 20th-century landscape and travel photography, particularly his influential work documenting Greece and its mountains.
  • B. Laurent Boutonnat
    Laurent Boutonnat is a French composer, songwriter, and music video director best known for his long-term creative collaboration with singer Mylène Farmer and for producing and writing songs for artists such as Alizée.
  • C. Jean-Philippe Vassal
    Jean-Philippe Vassal is a prominent French architect, best known as co-founder of the firm Lacaton & Vassal and for his innovative, socially conscious housing and renovation projects.
  • D. Jérôme Coumet
    Jérôme Coumet is a French politician who serves as the mayor of Paris's 13th arrondissement.
  • E. Grégoire Lyonnet
    Grégoire Lyonnet is a French professional dancer best known for his appearances on the TV show "Danse avec les stars" and his marriage to singer Alizée.
  • 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_69bd43f922788190b7edfa294e39b178 completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd57bb5c0c819092ebb2dd3310f5f8 completed March 20, 2026, 2:20 p.m.
NED1 Entity disambiguation (via context triple) batch_69bdacfff41481908a5c97ab4fcb9259 completed March 20, 2026, 8:24 p.m.
NEDg Description generation batch_69bdb32911cc8190a8624d54dad6355e completed March 20, 2026, 8:50 p.m.
NED2 Entity disambiguation (via description) batch_69bdb3a0bf908190b9a029f47e6be941 completed March 20, 2026, 8:52 p.m.
Created at: March 20, 2026, 1:04 p.m.