Triple

T1274758
Position Surface form Disambiguated ID Type / Status
Subject New Horizons E15788 entity
Predicate principalInvestigator P2805 FINISHED
Object Alan Stern
Alan Stern is an American planetary scientist best known for leading NASA’s New Horizons mission that conducted the first flyby of Pluto.
 E148501 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: Alan Stern | Statement: [New Horizons, principalInvestigator, Alan Stern]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Alan Stern
Context triple: [New Horizons, principalInvestigator, Alan Stern]
  • A. Archie Marshek
    Archie Marshek was an American film editor known for his work during Hollywood’s early sound era, including editing the 1932 thriller "The Most Dangerous Game."
  • B. Steven Soter
    Steven Soter is an American astrophysicist and science writer best known for co-writing the landmark television series "Cosmos: A Personal Voyage" with Carl Sagan and Ann Druyan.
  • C. Piers Sellers
    Piers Sellers was a British-American NASA astronaut and climate scientist known for his space shuttle missions and contributions to Earth science research.
  • D. Curtis Priem
    Curtis Priem is an American engineer and entrepreneur best known as a co-founder and early chief technology officer of the graphics processing company NVIDIA.
  • E. John David Stier
    John David Stier is the son of Nobel Prize–winning mathematician John Nash and Eleanor Stier.
  • 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: Alan Stern
Triple: [New Horizons, principalInvestigator, Alan Stern]
Generated description
Alan Stern is an American planetary scientist best known for leading NASA’s New Horizons mission that conducted the first flyby of Pluto.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Alan Stern
Target entity description: Alan Stern is an American planetary scientist best known for leading NASA’s New Horizons mission that conducted the first flyby of Pluto.
  • A. Archie Marshek
    Archie Marshek was an American film editor known for his work during Hollywood’s early sound era, including editing the 1932 thriller "The Most Dangerous Game."
  • B. Steven Soter
    Steven Soter is an American astrophysicist and science writer best known for co-writing the landmark television series "Cosmos: A Personal Voyage" with Carl Sagan and Ann Druyan.
  • C. Piers Sellers
    Piers Sellers was a British-American NASA astronaut and climate scientist known for his space shuttle missions and contributions to Earth science research.
  • D. Curtis Priem
    Curtis Priem is an American engineer and entrepreneur best known as a co-founder and early chief technology officer of the graphics processing company NVIDIA.
  • E. John David Stier
    John David Stier is the son of Nobel Prize–winning mathematician John Nash and Eleanor Stier.
  • 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_69a4935a94308190bb92555b79032824 completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a4c06ee22081908141868b57596e35 completed March 1, 2026, 10:40 p.m.
NED1 Entity disambiguation (via context triple) batch_69acb2fd091081908f4a60d7ce300c90 completed March 7, 2026, 11:21 p.m.
NEDg Description generation batch_69acb364f2d88190b20ad87001349562 completed March 7, 2026, 11:23 p.m.
NED2 Entity disambiguation (via description) batch_69acb3ce7720819095558536e0a978b8 completed March 7, 2026, 11:25 p.m.
Created at: March 1, 2026, 7:50 p.m.