Triple

T13179212
Position Surface form Disambiguated ID Type / Status
Subject Neil Gehrels E313680 entity
Predicate doctoralAdvisor P167 FINISHED
Object Tom Gehrels
Tom Gehrels was a Dutch–American astronomer known for his pioneering work in planetary science, photometry, and asteroid and comet surveys.
E1029533 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: Tom Gehrels | Statement: [Neil Gehrels, doctoralAdvisor, Tom Gehrels]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Tom Gehrels
Context triple: [Neil Gehrels, doctoralAdvisor, Tom Gehrels]
  • A. Neil Gehrels
    Neil Gehrels was an influential American astrophysicist known for his pioneering work in gamma-ray astronomy and leadership of major space observatory missions.
  • B. John O'Dell
    John O'Dell is a musician known for performing with the Celtic-influenced band O'Malley's March.
  • C. Eric W. Kaler
    Eric W. Kaler is an American chemical engineer and academic leader who has served as president of multiple major research universities.
  • D. Bruce C. Murray
    Bruce C. Murray was an American planetary scientist and former director of NASA’s Jet Propulsion Laboratory, known for his leadership in Mars and planetary exploration.
  • E. John N. Mather
    John N. Mather was an American mathematician renowned for his foundational work in dynamical systems, singularity theory, and the development of Mather theory in Hamiltonian dynamics.
  • 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: Tom Gehrels
Triple: [Neil Gehrels, doctoralAdvisor, Tom Gehrels]
Generated description
Tom Gehrels was a Dutch–American astronomer known for his pioneering work in planetary science, photometry, and asteroid and comet surveys.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Tom Gehrels
Target entity description: Tom Gehrels was a Dutch–American astronomer known for his pioneering work in planetary science, photometry, and asteroid and comet surveys.
  • A. Neil Gehrels
    Neil Gehrels was an influential American astrophysicist known for his pioneering work in gamma-ray astronomy and leadership of major space observatory missions.
  • B. John O'Dell
    John O'Dell is a musician known for performing with the Celtic-influenced band O'Malley's March.
  • C. Eric W. Kaler
    Eric W. Kaler is an American chemical engineer and academic leader who has served as president of multiple major research universities.
  • D. Bruce C. Murray
    Bruce C. Murray was an American planetary scientist and former director of NASA’s Jet Propulsion Laboratory, known for his leadership in Mars and planetary exploration.
  • E. John N. Mather
    John N. Mather was an American mathematician renowned for his foundational work in dynamical systems, singularity theory, and the development of Mather theory in Hamiltonian dynamics.
  • 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_69d806ae1e08819090d95bfe1538cc17 completed April 9, 2026, 8:06 p.m.
NER Named-entity recognition batch_69d98c47e79c81908031d3e6f1cfd64f completed April 10, 2026, 11:48 p.m.
NED1 Entity disambiguation (via context triple) batch_69f6ff116f1c819097e4c53cd1411d78 completed May 3, 2026, 7:53 a.m.
NEDg Description generation batch_69f7013a368c8190a768f837f6551f5b completed May 3, 2026, 8:03 a.m.
NED2 Entity disambiguation (via description) batch_69f70386bf008190b984c81103326a67 completed May 3, 2026, 8:12 a.m.
Created at: April 9, 2026, 9:14 p.m.