Triple

T12599708
Position Surface form Disambiguated ID Type / Status
Subject Donald Lynden-Bell E300823 entity
Predicate doctoralAdvisor P167 FINISHED
Object Leon Mestel
Leon Mestel was a British astrophysicist renowned for his pioneering work on stellar magnetism and the structure and evolution of stars.
 E1000018 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: Leon Mestel | Statement: [Donald Lynden-Bell, doctoralAdvisor, Leon Mestel]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Leon Mestel
Context triple: [Donald Lynden-Bell, doctoralAdvisor, Leon Mestel]
  • A. John Plamenatz
    John Plamenatz was a prominent 20th-century political philosopher, best known for his influential work on political obligation, liberalism, and the interpretation of classic political theorists.
  • B. Robert Julius Trumpler
    Robert Julius Trumpler was a Swiss-American astronomer best known for his pioneering work on open star clusters and for demonstrating the existence of interstellar extinction.
  • C. Bart Bok
    Bart Bok was a Dutch-American astronomer renowned for his work on the structure of the Milky Way and the study of dark Bok globules in interstellar space.
  • D. George Placzek
    George Placzek was a Czech physicist known for his influential work in nuclear physics and quantum theory, including key contributions to early nuclear reactor research.
  • E. Nicholas B. Suntzeff
    Nicholas B. Suntzeff is an American astronomer and cosmologist best known as a co-founder of the High-z Supernova Search Team, whose observations of distant supernovae provided key evidence for the accelerating expansion of the universe.
  • 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: Leon Mestel
Triple: [Donald Lynden-Bell, doctoralAdvisor, Leon Mestel]
Generated description
Leon Mestel was a British astrophysicist renowned for his pioneering work on stellar magnetism and the structure and evolution of stars.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Leon Mestel
Target entity description: Leon Mestel was a British astrophysicist renowned for his pioneering work on stellar magnetism and the structure and evolution of stars.
  • A. John Plamenatz
    John Plamenatz was a prominent 20th-century political philosopher, best known for his influential work on political obligation, liberalism, and the interpretation of classic political theorists.
  • B. Robert Julius Trumpler
    Robert Julius Trumpler was a Swiss-American astronomer best known for his pioneering work on open star clusters and for demonstrating the existence of interstellar extinction.
  • C. Bart Bok
    Bart Bok was a Dutch-American astronomer renowned for his work on the structure of the Milky Way and the study of dark Bok globules in interstellar space.
  • D. George Placzek
    George Placzek was a Czech physicist known for his influential work in nuclear physics and quantum theory, including key contributions to early nuclear reactor research.
  • E. Nicholas B. Suntzeff
    Nicholas B. Suntzeff is an American astronomer and cosmologist best known as a co-founder of the High-z Supernova Search Team, whose observations of distant supernovae provided key evidence for the accelerating expansion of the universe.
  • 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_69d7bdea2ca881908f379526c13b1145 completed April 9, 2026, 2:55 p.m.
NER Named-entity recognition batch_69d954d096d08190afa1f685bad68d35 completed April 10, 2026, 7:51 p.m.
NED1 Entity disambiguation (via context triple) batch_69f67c6ddfdc81908df8baa701ed1fbf completed May 2, 2026, 10:36 p.m.
NEDg Description generation batch_69f67de172088190b055ace0fdcfd1fd completed May 2, 2026, 10:42 p.m.
NED2 Entity disambiguation (via description) batch_69f67ec570a881909c98471b701999f0 completed May 2, 2026, 10:46 p.m.
Created at: April 9, 2026, 5:09 p.m.