Triple

T12336201
Position Surface form Disambiguated ID Type / Status
Subject Lockheed L-188 Electra E294090 entity
Predicate notableAccident P22 FINISHED
Object Braniff Flight 542
Braniff Flight 542 was a 1959 Braniff Airways domestic passenger flight that broke up in midair near Buffalo, Texas, killing all aboard and becoming one of the early fatal accidents involving the Lockheed L-188 Electra.
E977201 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: Braniff Flight 542 | Statement: [Lockheed L-188 Electra, notableAccident, Braniff Flight 542]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Braniff Flight 542
Context triple: [Lockheed L-188 Electra, notableAccident, Braniff Flight 542]
  • A. BEA Flight 609
    BEA Flight 609 was the British European Airways charter flight that crashed in 1958 at Munich-Riem Airport, a tragedy remembered as the Munich air disaster that killed many Manchester United players and staff.
  • B. Aires Flight 8250
    Aires Flight 8250 was a domestic Colombian passenger flight that crash-landed short of the runway at San Andrés Island in 2010, breaking apart and causing multiple fatalities and injuries.
  • C. Alaska Airlines Flight 261
    Alaska Airlines Flight 261 was a scheduled passenger flight that tragically crashed into the Pacific Ocean in 2000 after a catastrophic mechanical failure, killing all 88 people on board and prompting major safety investigations and reforms.
  • D. EgyptAir Flight 990
    EgyptAir Flight 990 was a scheduled passenger flight from New York to Cairo that crashed into the Atlantic Ocean in 1999 under controversial circumstances, killing all on board.
  • E. Colgan Air
    Colgan Air was a U.S. regional airline that operated feeder flights for major carriers under brands such as United Express and Continental Connection before ceasing operations in 2012.
  • 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: Braniff Flight 542
Triple: [Lockheed L-188 Electra, notableAccident, Braniff Flight 542]
Generated description
Braniff Flight 542 was a 1959 Braniff Airways domestic passenger flight that broke up in midair near Buffalo, Texas, killing all aboard and becoming one of the early fatal accidents involving the Lockheed L-188 Electra.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Braniff Flight 542
Target entity description: Braniff Flight 542 was a 1959 Braniff Airways domestic passenger flight that broke up in midair near Buffalo, Texas, killing all aboard and becoming one of the early fatal accidents involving the Lockheed L-188 Electra.
  • A. BEA Flight 609
    BEA Flight 609 was the British European Airways charter flight that crashed in 1958 at Munich-Riem Airport, a tragedy remembered as the Munich air disaster that killed many Manchester United players and staff.
  • B. Aires Flight 8250
    Aires Flight 8250 was a domestic Colombian passenger flight that crash-landed short of the runway at San Andrés Island in 2010, breaking apart and causing multiple fatalities and injuries.
  • C. Alaska Airlines Flight 261
    Alaska Airlines Flight 261 was a scheduled passenger flight that tragically crashed into the Pacific Ocean in 2000 after a catastrophic mechanical failure, killing all 88 people on board and prompting major safety investigations and reforms.
  • D. EgyptAir Flight 990
    EgyptAir Flight 990 was a scheduled passenger flight from New York to Cairo that crashed into the Atlantic Ocean in 1999 under controversial circumstances, killing all on board.
  • E. Colgan Air
    Colgan Air was a U.S. regional airline that operated feeder flights for major carriers under brands such as United Express and Continental Connection before ceasing operations in 2012.
  • 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_69d6ab6ae0dc8190b1522a9c1c55c114 completed April 8, 2026, 7:24 p.m.
NER Named-entity recognition batch_69d93f6683e881908920e1fee02a14e3 completed April 10, 2026, 6:20 p.m.
NED1 Entity disambiguation (via context triple) batch_69f62aa5f21c8190bcb32a078a2f7ebb completed May 2, 2026, 4:47 p.m.
NEDg Description generation batch_69f62c54e6b08190bdae0ec35cc1c48d completed May 2, 2026, 4:54 p.m.
NED2 Entity disambiguation (via description) batch_69f62d07d3148190a45542c8d43a7077 completed May 2, 2026, 4:57 p.m.
Created at: April 8, 2026, 9:53 p.m.