Triple

T9447600
Position Surface form Disambiguated ID Type / Status
Subject Midwest Airlines E227803 entity
Predicate IATACode P418 FINISHED
Object YX
YX is the former IATA airline designator code assigned to Midwest Airlines, a now-defunct U.S. carrier once known for its high-service, passenger-friendly approach.
 E118837 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: YX | Statement: [Midwest Airlines, IATACode, YX]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: YX
Context triple: [Midwest Airlines, IATACode, YX]
  • A. YX
    YX is the IATA airline designator used by Republic Airways, a major U.S. regional airline operating flights on behalf of larger carriers.
  • B. YXU
    YXU is the IATA airport code for London International Airport serving London, Ontario, Canada.
  • C. YXX
    YXX is the IATA airport code for Abbotsford International Airport in Abbotsford, British Columbia, Canada.
  • D. YXD
    YXD is the former IATA airport code for Edmonton City Centre Airport, a now-closed downtown airport that once served as a key regional and commuter hub in Edmonton, Alberta, Canada.
  • E. YXY
    YXY is the IATA airport code for Erik Nielsen Whitehorse International Airport, the main air gateway to Whitehorse in Canada's Yukon Territory.
  • 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: YX
Triple: [Midwest Airlines, IATACode, YX]
Generated description
YX is the former IATA airline designator code assigned to Midwest Airlines, a now-defunct U.S. carrier once known for its high-service, passenger-friendly approach.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: YX
Target entity description: YX is the former IATA airline designator code assigned to Midwest Airlines, a now-defunct U.S. carrier once known for its high-service, passenger-friendly approach.
  • A. YX chosen
    YX is the IATA airline designator used by Republic Airways, a major U.S. regional airline operating flights on behalf of larger carriers.
  • B. YXU
    YXU is the IATA airport code for London International Airport serving London, Ontario, Canada.
  • C. YXX
    YXX is the IATA airport code for Abbotsford International Airport in Abbotsford, British Columbia, Canada.
  • D. YXD
    YXD is the former IATA airport code for Edmonton City Centre Airport, a now-closed downtown airport that once served as a key regional and commuter hub in Edmonton, Alberta, Canada.
  • E. YXY
    YXY is the IATA airport code for Erik Nielsen Whitehorse International Airport, the main air gateway to Whitehorse in Canada's Yukon Territory.
  • F. None of above.

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_69ca8439f8bc8190997f2ef40c9f0bc2 completed March 30, 2026, 2:10 p.m.
NER Named-entity recognition batch_69cd7f62dfa48190bf318777d97f0f2a completed April 1, 2026, 8:26 p.m.
NED1 Entity disambiguation (via context triple) batch_69d1106aeb708190bbbe1d05b7472194 completed April 4, 2026, 1:21 p.m.
NEDg Description generation batch_69d111213e9081909865b086681d1bbd completed April 4, 2026, 1:24 p.m.
NED2 Entity disambiguation (via description) batch_69d111ab40a48190bb77c1cf80ef87a8 completed April 4, 2026, 1:27 p.m.
Created at: March 30, 2026, 7:51 p.m.