Triple

T15434238
Position Surface form Disambiguated ID Type / Status
Subject Van de Graaff generator E369717 entity
Predicate namedAfter P63 FINISHED
Object Robert J. Van de Graaff
Robert J. Van de Graaff was an American physicist best known for inventing the high-voltage electrostatic generator that bears his name, widely used in nuclear physics research and education.
E1157406 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: Robert J. Van de Graaff | Statement: [Van de Graaff generator, namedAfter, Robert J. Van de Graaff]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Robert J. Van de Graaff
Context triple: [Van de Graaff generator, namedAfter, Robert J. Van de Graaff]
  • A. Cornelis Jacob van de Graaff
    Cornelis Jacob van de Graaff was an 18th-century Dutch colonial governor of the Cape Colony, after whom the South African town of Graaff-Reinet is named.
  • B. Francis Bitter
    Francis Bitter was an American physicist known for his pioneering work in magnet technology and for developing the Bitter electromagnet used to generate extremely strong magnetic fields.
  • C. John J. Pierce
    John J. Pierce is an American science fiction editor and critic known for his influential work in genre magazines and scholarship.
  • D. Robert B. Leighton
    Robert B. Leighton was an American experimental physicist and educator known for his contributions to cosmic-ray and infrared astronomy and for coauthoring the influential Feynman Lectures on Physics.
  • E. Raymond W. Stark
    Raymond W. Stark was an American film producer known for backing numerous successful Hollywood movies from the 1960s through the 1990s.
  • 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: Robert J. Van de Graaff
Triple: [Van de Graaff generator, namedAfter, Robert J. Van de Graaff]
Generated description
Robert J. Van de Graaff was an American physicist best known for inventing the high-voltage electrostatic generator that bears his name, widely used in nuclear physics research and education.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Robert J. Van de Graaff
Target entity description: Robert J. Van de Graaff was an American physicist best known for inventing the high-voltage electrostatic generator that bears his name, widely used in nuclear physics research and education.
  • A. Cornelis Jacob van de Graaff
    Cornelis Jacob van de Graaff was an 18th-century Dutch colonial governor of the Cape Colony, after whom the South African town of Graaff-Reinet is named.
  • B. Francis Bitter
    Francis Bitter was an American physicist known for his pioneering work in magnet technology and for developing the Bitter electromagnet used to generate extremely strong magnetic fields.
  • C. John J. Pierce
    John J. Pierce is an American science fiction editor and critic known for his influential work in genre magazines and scholarship.
  • D. Robert B. Leighton
    Robert B. Leighton was an American experimental physicist and educator known for his contributions to cosmic-ray and infrared astronomy and for coauthoring the influential Feynman Lectures on Physics.
  • E. Raymond W. Stark
    Raymond W. Stark was an American film producer known for backing numerous successful Hollywood movies from the 1960s through the 1990s.
  • 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_69d85a19180081909925012fbf4e62a3 completed April 10, 2026, 2:02 a.m.
NER Named-entity recognition batch_69e03edb3ec481908b26164d4470c9bc completed April 16, 2026, 1:43 a.m.
NED1 Entity disambiguation (via context triple) batch_69ff21a3d1f481908f6795656514b2b4 completed May 9, 2026, 11:59 a.m.
NEDg Description generation batch_69ff2299ac9481909ad213ff5bb01db3 completed May 9, 2026, 12:03 p.m.
NED2 Entity disambiguation (via description) batch_69ff2325e6a48190bee256ef8720ba8e completed May 9, 2026, 12:05 p.m.
Created at: April 10, 2026, 3:21 a.m.