Triple

T11505361
Position Surface form Disambiguated ID Type / Status
Subject Princeton University Observatory E272768 entity
Predicate hasNotableMember P304 FINISHED
Object David Spergel
David Spergel is an American astrophysicist and cosmologist renowned for his pioneering work on the cosmic microwave background and the shape and composition of the universe.
 E929785 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: David Spergel | Statement: [Princeton University Observatory, hasNotableMember, David Spergel]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: David Spergel
Context triple: [Princeton University Observatory, hasNotableMember, David Spergel]
  • A. Daniel Eisenstein
    Daniel Eisenstein is an American astrophysicist known for his pioneering work on baryon acoustic oscillations and the large-scale structure of the universe.
  • B. Avi Loeb
    Avi Loeb is an Israeli-American astrophysicist and Harvard professor known for his influential and sometimes controversial work on black holes, the early universe, and the search for extraterrestrial intelligence.
  • C. Dorion Sagan
    Dorion Sagan is an American science writer and essayist known for his works on evolution, ecology, and complexity, and for coauthoring influential books with his mother, biologist Lynn Margulis.
  • D. Paul Steinhardt
    Paul Steinhardt is an American theoretical physicist and cosmologist known for his work on inflationary cosmology, the cyclic model of the universe, and the theoretical prediction of quasicrystals.
  • E. Rodrigo A. Ibata
    Rodrigo A. Ibata is an astronomer known for his work on galactic structure and dynamics, including the identification of the Canis Major Dwarf Galaxy as a nearby satellite of the Milky Way.
  • 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: David Spergel
Triple: [Princeton University Observatory, hasNotableMember, David Spergel]
Generated description
David Spergel is an American astrophysicist and cosmologist renowned for his pioneering work on the cosmic microwave background and the shape and composition of the universe.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: David Spergel
Target entity description: David Spergel is an American astrophysicist and cosmologist renowned for his pioneering work on the cosmic microwave background and the shape and composition of the universe.
  • A. Daniel Eisenstein
    Daniel Eisenstein is an American astrophysicist known for his pioneering work on baryon acoustic oscillations and the large-scale structure of the universe.
  • B. Avi Loeb
    Avi Loeb is an Israeli-American astrophysicist and Harvard professor known for his influential and sometimes controversial work on black holes, the early universe, and the search for extraterrestrial intelligence.
  • C. Dorion Sagan
    Dorion Sagan is an American science writer and essayist known for his works on evolution, ecology, and complexity, and for coauthoring influential books with his mother, biologist Lynn Margulis.
  • D. Paul Steinhardt
    Paul Steinhardt is an American theoretical physicist and cosmologist known for his work on inflationary cosmology, the cyclic model of the universe, and the theoretical prediction of quasicrystals.
  • E. Rodrigo A. Ibata
    Rodrigo A. Ibata is an astronomer known for his work on galactic structure and dynamics, including the identification of the Canis Major Dwarf Galaxy as a nearby satellite of the Milky Way.
  • 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_69d6aae2c3748190bed2ea50dfb160dc completed April 8, 2026, 7:22 p.m.
NER Named-entity recognition batch_69d86db2f4b08190801de1b773932f59 completed April 10, 2026, 3:25 a.m.
NED1 Entity disambiguation (via context triple) batch_69e624e6e5b88190a2c64dcea1d7791b completed April 20, 2026, 1:06 p.m.
NEDg Description generation batch_69e62cf224f881908badcdab6aea1aef completed April 20, 2026, 1:41 p.m.
NED2 Entity disambiguation (via description) batch_69e663ffedfc8190a2b51995c62d1e6b completed April 20, 2026, 5:36 p.m.
Created at: April 8, 2026, 9:36 p.m.