Triple

T4508872
Position Surface form Disambiguated ID Type / Status
Subject National Museum of the United States Air Force E101999 entity
Predicate notableExhibit P22 FINISHED
Object Boeing VC-137C SAM 26000
Boeing VC-137C SAM 26000 is a modified Boeing 707 that served as a U.S. presidential aircraft, most famously used as Air Force One for Presidents Kennedy through Clinton.
E448345 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: Boeing VC-137C SAM 26000 | Statement: [National Museum of the United States Air Force, notableExhibit, Boeing VC-137C SAM 26000]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Boeing VC-137C SAM 26000
Context triple: [National Museum of the United States Air Force, notableExhibit, Boeing VC-137C SAM 26000]
  • A. Boeing VC-137C SAM 27000
    Boeing VC-137C SAM 27000 is a modified Boeing 707 that served as a primary Air Force One presidential aircraft for several U.S. presidents and is now preserved as a museum exhibit.
  • B. Air Force One (VC-25 variant)
    Air Force One (VC-25 variant) is the highly customized U.S. presidential aircraft equipped with advanced communications, security, and in-flight support systems to serve as a mobile White House.
  • C. Boeing C-32
    The Boeing C-32 is a military VIP transport aircraft used by the United States Air Force, most notably to carry the U.S. vice president and other senior officials.
  • D. Lockheed L-1649 Starliner
    The Lockheed L-1649 Starliner is a late-1950s long-range, piston-engined airliner and the final, most advanced variant of Lockheed’s Constellation series, designed for transatlantic and intercontinental routes.
  • E. C-141 Starlifter
    The C-141 Starlifter is a retired U.S. Air Force strategic airlifter designed to rapidly transport troops, cargo, and equipment over long distances.
  • 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: Boeing VC-137C SAM 26000
Triple: [National Museum of the United States Air Force, notableExhibit, Boeing VC-137C SAM 26000]
Generated description
Boeing VC-137C SAM 26000 is a modified Boeing 707 that served as a U.S. presidential aircraft, most famously used as Air Force One for Presidents Kennedy through Clinton.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Boeing VC-137C SAM 26000
Target entity description: Boeing VC-137C SAM 26000 is a modified Boeing 707 that served as a U.S. presidential aircraft, most famously used as Air Force One for Presidents Kennedy through Clinton.
  • A. Boeing VC-137C SAM 27000
    Boeing VC-137C SAM 27000 is a modified Boeing 707 that served as a primary Air Force One presidential aircraft for several U.S. presidents and is now preserved as a museum exhibit.
  • B. Air Force One (VC-25 variant)
    Air Force One (VC-25 variant) is the highly customized U.S. presidential aircraft equipped with advanced communications, security, and in-flight support systems to serve as a mobile White House.
  • C. Boeing C-32
    The Boeing C-32 is a military VIP transport aircraft used by the United States Air Force, most notably to carry the U.S. vice president and other senior officials.
  • D. Lockheed L-1649 Starliner
    The Lockheed L-1649 Starliner is a late-1950s long-range, piston-engined airliner and the final, most advanced variant of Lockheed’s Constellation series, designed for transatlantic and intercontinental routes.
  • E. C-141 Starlifter
    The C-141 Starlifter is a retired U.S. Air Force strategic airlifter designed to rapidly transport troops, cargo, and equipment over long distances.
  • 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_69bd43d6251c81909deecce3e6e9d69c completed March 20, 2026, 12:55 p.m.
NER Named-entity recognition batch_69bd570f9b1c8190b52ace855dbf6641 completed March 20, 2026, 2:17 p.m.
NED1 Entity disambiguation (via context triple) batch_69bd7f7c1bd08190bc7b7028a512a466 completed March 20, 2026, 5:10 p.m.
NEDg Description generation batch_69bd84bae7148190ae201ea5257dd43e completed March 20, 2026, 5:32 p.m.
NED2 Entity disambiguation (via description) batch_69bd857181e4819086b7d0b493fbb9a3 completed March 20, 2026, 5:35 p.m.
Created at: March 20, 2026, 1:01 p.m.