Triple

T172638
Position Surface form Disambiguated ID Type / Status
Subject American Eagle E3508 entity
Predicate operatesAsBrandFor P1500 FINISHED
Object Mesa Airlines (historically and/or selected periods)
Mesa Airlines is a U.S.-based regional airline that has operated flights on behalf of major carriers under capacity purchase agreements, including periods flying under the American Eagle brand.
E21987 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: Mesa Airlines (historically and/or selected periods) | Statement: [American Eagle, operatesAsBrandFor, Mesa Airlines (historically and/or selected periods)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Mesa Airlines (historically and/or selected periods)
Context triple: [American Eagle, operatesAsBrandFor, Mesa Airlines (historically and/or selected periods)]
  • A. Republic Airways (historically and/or selected periods)
    Republic Airways is a U.S.-based regional airline that operates flights on behalf of major carriers under their brand names through capacity purchase agreements.
  • B. Endeavor Air
    Endeavor Air is a U.S.-based regional airline that operates Delta Connection flights, providing feeder services to Delta Air Lines’ domestic and short-haul international network.
  • C. Southern Airways Express
    Southern Airways Express is a U.S. regional airline operating commuter and short-haul flights across various domestic markets.
  • D. Southwest Airlines
    Southwest Airlines is a major U.S. low-cost carrier known for its extensive domestic route network, no-frills service model, and distinctive open-seating boarding process.
  • E. Alaska Airlines
    Alaska Airlines is a major American airline based in Seattle, known for its extensive route network along the West Coast and to Alaska, Hawaii, and beyond.
  • 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: Mesa Airlines (historically and/or selected periods)
Triple: [American Eagle, operatesAsBrandFor, Mesa Airlines (historically and/or selected periods)]
Generated description
Mesa Airlines is a U.S.-based regional airline that has operated flights on behalf of major carriers under capacity purchase agreements, including periods flying under the American Eagle brand.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Mesa Airlines (historically and/or selected periods)
Target entity description: Mesa Airlines is a U.S.-based regional airline that has operated flights on behalf of major carriers under capacity purchase agreements, including periods flying under the American Eagle brand.
  • A. Republic Airways (historically and/or selected periods)
    Republic Airways is a U.S.-based regional airline that operates flights on behalf of major carriers under their brand names through capacity purchase agreements.
  • B. Endeavor Air
    Endeavor Air is a U.S.-based regional airline that operates Delta Connection flights, providing feeder services to Delta Air Lines’ domestic and short-haul international network.
  • C. Southern Airways Express
    Southern Airways Express is a U.S. regional airline operating commuter and short-haul flights across various domestic markets.
  • D. Southwest Airlines
    Southwest Airlines is a major U.S. low-cost carrier known for its extensive domestic route network, no-frills service model, and distinctive open-seating boarding process.
  • E. Alaska Airlines
    Alaska Airlines is a major American airline based in Seattle, known for its extensive route network along the West Coast and to Alaska, Hawaii, and beyond.
  • 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_69a25374990081909766d30c79a18e0e completed Feb. 28, 2026, 2:31 a.m.
NER Named-entity recognition batch_69a25bafd5808190a0a0cb2b21ce007f completed Feb. 28, 2026, 3:06 a.m.
NED1 Entity disambiguation (via context triple) batch_69a2eb7a519c81909922f45628f43c69 completed Feb. 28, 2026, 1:19 p.m.
NEDg Description generation batch_69a2ebe5644481908e221cc8724c99ae completed Feb. 28, 2026, 1:21 p.m.
NED2 Entity disambiguation (via description) batch_69a2ec56b5208190a60feb32c732cebc completed Feb. 28, 2026, 1:23 p.m.
Created at: Feb. 28, 2026, 2:39 a.m.