Triple

T5007463
Position Surface form Disambiguated ID Type / Status
Subject Magellanic Stream E112531 entity
Predicate discoveredBy P412 FINISHED
Object David S. Mathewson
David S. Mathewson was an Australian radio astronomer known for his pioneering work on the structure and dynamics of nearby galaxies and intergalactic gas.
 E767491 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 S. Mathewson | Statement: [Magellanic Stream, discoveredBy, David S. Mathewson]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: David S. Mathewson
Context triple: [Magellanic Stream, discoveredBy, David S. Mathewson]
  • A. Robert N. Davoren
    Robert N. Davoren was a notable figure in New York City's correctional system, commemorated by having a Rikers Island jail facility named in his honor.
  • B. Paul D. Harkins
    Paul D. Harkins was a U.S. Army general best known for his World War II service under General Patton and later command of U.S. forces in Vietnam in the early 1960s.
  • C. Robert N. Fitch
    Robert N. Fitch was a composer best known for writing the University of California fight song "Fight for California."
  • D. Paul A. Suttell
    Paul A. Suttell is an American jurist who serves as the Chief Justice of the Rhode Island Supreme Court.
  • E. Fred M. Wilcox
    Fred M. Wilcox was an American film director best known for the science fiction classic "Forbidden Planet" and the family film "Lassie Come Home."
  • 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 S. Mathewson
Triple: [Magellanic Stream, discoveredBy, David S. Mathewson]
Generated description
David S. Mathewson was an Australian radio astronomer known for his pioneering work on the structure and dynamics of nearby galaxies and intergalactic gas.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: David S. Mathewson
Target entity description: David S. Mathewson was an Australian radio astronomer known for his pioneering work on the structure and dynamics of nearby galaxies and intergalactic gas.
  • A. Robert N. Davoren
    Robert N. Davoren was a notable figure in New York City's correctional system, commemorated by having a Rikers Island jail facility named in his honor.
  • B. Paul D. Harkins
    Paul D. Harkins was a U.S. Army general best known for his World War II service under General Patton and later command of U.S. forces in Vietnam in the early 1960s.
  • C. Robert N. Fitch
    Robert N. Fitch was a composer best known for writing the University of California fight song "Fight for California."
  • D. Paul A. Suttell
    Paul A. Suttell is an American jurist who serves as the Chief Justice of the Rhode Island Supreme Court.
  • E. Fred M. Wilcox
    Fred M. Wilcox was an American film director best known for the science fiction classic "Forbidden Planet" and the family film "Lassie Come Home."
  • 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_69bd4433d0b08190877e83959ef40d81 completed March 20, 2026, 12:57 p.m.
NER Named-entity recognition batch_69bd72e8a0308190a47d81943ad85bba completed March 20, 2026, 4:16 p.m.
NED1 Entity disambiguation (via context triple) batch_69cfc1a54dd08190bdaaf6772758c22f completed April 3, 2026, 1:33 p.m.
NEDg Description generation batch_69cfc2c1f1108190bfc68e4e174572d6 completed April 3, 2026, 1:38 p.m.
NED2 Entity disambiguation (via description) batch_69cfc39ebd7881909389905b47e98e71 completed April 3, 2026, 1:41 p.m.
Created at: March 20, 2026, 1:35 p.m.