Triple

T2455614
Position Surface form Disambiguated ID Type / Status
Subject Arthur C. Walker Jr. E54411 entity
Predicate involvedIn P149 FINISHED
Object Space Shuttle Challenger disaster investigation E6388 NE FINISHED

How this triple was built (2 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: Space Shuttle Challenger disaster investigation | Statement: [Arthur C. Walker Jr., involvedIn, Space Shuttle Challenger disaster investigation]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Space Shuttle Challenger disaster investigation
Context triple: [Arthur C. Walker Jr., involvedIn, Space Shuttle Challenger disaster investigation]
  • A. Rogers Commission investigation of the Space Shuttle Challenger disaster
    The Rogers Commission investigation of the Space Shuttle Challenger disaster was a presidentially appointed inquiry that probed the technical and organizational causes of the 1986 shuttle explosion, famously exposing flaws in NASA’s decision-making and safety culture.
  • B. Space Shuttle Challenger disaster chosen
    The Space Shuttle Challenger disaster was the 1986 launch failure in which NASA’s Space Shuttle Challenger broke apart shortly after liftoff, killing all seven crew members and prompting major reforms in the U.S. space program.
  • C. Columbia Accident Investigation Board
    The Columbia Accident Investigation Board was an independent panel established to investigate the 2003 Space Shuttle Columbia disaster and recommend safety and organizational reforms for NASA.
  • D. Columbia disaster
    The Columbia disaster was the 2003 Space Shuttle tragedy in which the orbiter Columbia broke apart during reentry, killing all seven astronauts aboard and leading to major changes in NASA’s human spaceflight program.
  • E. Return to Flight after the Space Shuttle Columbia disaster
    Return to Flight after the Space Shuttle Columbia disaster was NASA’s effort to safely resume Space Shuttle missions by implementing extensive safety upgrades, inspection procedures, and organizational reforms following the 2003 Columbia accident.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69ab49dee84c819096b50a0049c347ac completed March 6, 2026, 9:40 p.m.
NER Named-entity recognition batch_69abd105054c819081286729749a347c completed March 7, 2026, 7:17 a.m.
NED1 Entity disambiguation (via context triple) batch_69aef0ca655c81908612983ced5f5786 completed March 9, 2026, 4:09 p.m.
Created at: March 6, 2026, 9:44 p.m.