Triple

T8245213
Position Surface form Disambiguated ID Type / Status
Subject Teflon E192834 entity
Predicate discoveredBy P412 FINISHED
Object Roy J. Plunkett
Roy J. Plunkett was an American chemist best known for accidentally discovering the nonstick polymer polytetrafluoroethylene (PTFE), later trademarked as Teflon, while working for DuPont in 1938.
E724049 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: Roy J. Plunkett | Statement: [Teflon, discoveredBy, Roy J. Plunkett]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Roy J. Plunkett
Context triple: [Teflon, discoveredBy, Roy J. Plunkett]
  • A. Wallace H. Carothers
    Wallace H. Carothers was an American chemist at DuPont best known for pioneering polymer chemistry and leading the invention of nylon.
  • B. Wallace Wooley
    Wallace Wooley is the mild-mannered, politically ambitious New England politician who becomes entangled with a mischievous witch in the classic 1942 romantic fantasy film "I Married a Witch."
  • C. Frederick Seitz
    Frederick Seitz was an influential American physicist and solid-state physics pioneer who served as president of the National Academy of Sciences and Rockefeller University.
  • D. Paul J. Flory
    Paul J. Flory was an American chemist renowned for his pioneering work in polymer chemistry, for which he received the Nobel Prize in Chemistry in 1974.
  • E. Walter H. Stockmayer
    Walter H. Stockmayer was an influential American physical chemist and polymer scientist known for his pioneering theoretical work on the structure and behavior of macromolecules.
  • 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: Roy J. Plunkett
Triple: [Teflon, discoveredBy, Roy J. Plunkett]
Generated description
Roy J. Plunkett was an American chemist best known for accidentally discovering the nonstick polymer polytetrafluoroethylene (PTFE), later trademarked as Teflon, while working for DuPont in 1938.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Roy J. Plunkett
Target entity description: Roy J. Plunkett was an American chemist best known for accidentally discovering the nonstick polymer polytetrafluoroethylene (PTFE), later trademarked as Teflon, while working for DuPont in 1938.
  • A. Wallace H. Carothers
    Wallace H. Carothers was an American chemist at DuPont best known for pioneering polymer chemistry and leading the invention of nylon.
  • B. Wallace Wooley
    Wallace Wooley is the mild-mannered, politically ambitious New England politician who becomes entangled with a mischievous witch in the classic 1942 romantic fantasy film "I Married a Witch."
  • C. Frederick Seitz
    Frederick Seitz was an influential American physicist and solid-state physics pioneer who served as president of the National Academy of Sciences and Rockefeller University.
  • D. Paul J. Flory
    Paul J. Flory was an American chemist renowned for his pioneering work in polymer chemistry, for which he received the Nobel Prize in Chemistry in 1974.
  • E. Walter H. Stockmayer
    Walter H. Stockmayer was an influential American physical chemist and polymer scientist known for his pioneering theoretical work on the structure and behavior of macromolecules.
  • 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_69ca82de7b8c81908d8106f8a53cff9b completed March 30, 2026, 2:04 p.m.
NER Named-entity recognition batch_69cb7872f6d481909ea1d3c2aad1a2b1 completed March 31, 2026, 7:32 a.m.
NED1 Entity disambiguation (via context triple) batch_69cd680b0f608190b69336228346b47d completed April 1, 2026, 6:46 p.m.
NEDg Description generation batch_69cd6c21172481908dc04b85ee4370a8 completed April 1, 2026, 7:04 p.m.
NED2 Entity disambiguation (via description) batch_69cd7dd65fac8190b8f44b1cf2be7bdd completed April 1, 2026, 8:19 p.m.
Created at: March 30, 2026, 5:48 p.m.