Triple

T2173656
Position Surface form Disambiguated ID Type / Status
Subject de Haas–van Alphen effect E48478 entity
Predicate namedAfter P63 FINISHED
Object Pieter M. van Alphen
Pieter M. van Alphen was a physicist known for his pioneering work on quantum oscillation phenomena in metals, which led to the identification of the de Haas–van Alphen effect.
 E248188 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: Pieter M. van Alphen | Statement: [de Haas–van Alphen effect, namedAfter, Pieter M. van Alphen]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Pieter M. van Alphen
Context triple: [de Haas–van Alphen effect, namedAfter, Pieter M. van Alphen]
  • A. Johannes van der Meer
    Johannes van der Meer is another name for Johannes Vermeer, the renowned 17th-century Dutch painter celebrated for his masterful use of light and intimate domestic interior scenes.
  • B. Hendrik Anthony Kramers
    Hendrik Anthony Kramers was a Dutch theoretical physicist known for his pioneering work in quantum mechanics, dispersion theory, and the Kramers–Kronig relations.
  • C. Pieter Rijke
    Pieter Rijke was a Dutch physicist known for his work in acoustics and for inventing the Rijke tube, a device that demonstrates the conversion of heat into sound.
  • D. Wander Johannes de Haas
    Wander Johannes de Haas was a Dutch physicist known for his pioneering work in low-temperature and solid-state physics, including the co-discovery of the de Haas–van Alphen effect.
  • E. Simon van der Meer
    Simon van der Meer was a Dutch physicist and Nobel laureate whose innovations in particle accelerator technology were crucial to major discoveries in high-energy physics.
  • 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: Pieter M. van Alphen
Triple: [de Haas–van Alphen effect, namedAfter, Pieter M. van Alphen]
Generated description
Pieter M. van Alphen was a physicist known for his pioneering work on quantum oscillation phenomena in metals, which led to the identification of the de Haas–van Alphen effect.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Pieter M. van Alphen
Target entity description: Pieter M. van Alphen was a physicist known for his pioneering work on quantum oscillation phenomena in metals, which led to the identification of the de Haas–van Alphen effect.
  • A. Johannes van der Meer
    Johannes van der Meer is another name for Johannes Vermeer, the renowned 17th-century Dutch painter celebrated for his masterful use of light and intimate domestic interior scenes.
  • B. Hendrik Anthony Kramers
    Hendrik Anthony Kramers was a Dutch theoretical physicist known for his pioneering work in quantum mechanics, dispersion theory, and the Kramers–Kronig relations.
  • C. Pieter Rijke
    Pieter Rijke was a Dutch physicist known for his work in acoustics and for inventing the Rijke tube, a device that demonstrates the conversion of heat into sound.
  • D. Wander Johannes de Haas
    Wander Johannes de Haas was a Dutch physicist known for his pioneering work in low-temperature and solid-state physics, including the co-discovery of the de Haas–van Alphen effect.
  • E. Simon van der Meer
    Simon van der Meer was a Dutch physicist and Nobel laureate whose innovations in particle accelerator technology were crucial to major discoveries in high-energy physics.
  • 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_69a88aa3faa48190995b233af6525815 completed March 4, 2026, 7:40 p.m.
NER Named-entity recognition batch_69abbecb97a48190834e3e536184bbd1 completed March 7, 2026, 5:59 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae6af200948190a2d8866946012de4 completed March 9, 2026, 6:38 a.m.
NEDg Description generation batch_69ae6bbba3908190b24b6e29175cc449 completed March 9, 2026, 6:42 a.m.
NED2 Entity disambiguation (via description) batch_69ae6c5f6364819085aed383ab0ff8c5 completed March 9, 2026, 6:44 a.m.
Created at: March 4, 2026, 7:45 p.m.