Triple

T10798943
Position Surface form Disambiguated ID Type / Status
Subject Tachikawa Aircraft Company E254786 entity
Predicate operatedAirfields P95531 FINISHED
Object Tachikawa airfield
Tachikawa airfield is a historic Japanese air base in Tachikawa, Tokyo, that served as a major military and later U.S. Air Force facility before its eventual conversion to civilian and park use.
E885710 NE FINISHED

How this triple was built (5 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: Tachikawa airfield | Statement: [Tachikawa Aircraft Company, operatedAirfields, Tachikawa airfield]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Tachikawa airfield
Context triple: [Tachikawa Aircraft Company, operatedAirfields, Tachikawa airfield]
  • A. Nagoya Airfield
    Nagoya Airfield is a regional airport in Nagoya, Japan, primarily serving domestic flights and business aviation after the opening of Chubu Centrair International Airport.
  • B. Matsushima Air Base
    Matsushima Air Base is a Japan Air Self-Defense Force installation in Miyagi Prefecture best known as the home base of the Blue Impulse aerobatic demonstration team.
  • C. Amakusa Airfield
    Amakusa Airfield is a regional airport in Kumamoto Prefecture, Japan, serving the Amakusa Islands with domestic flights.
  • D. Tsuiki Air Base
    Tsuiki Air Base is a major Japan Air Self-Defense Force installation in Fukuoka Prefecture known for hosting fighter squadrons and air defense operations.
  • E. Hyakuri Air Base
    Hyakuri Air Base is a major Japan Air Self-Defense Force installation in Ibaraki Prefecture that serves as a key hub for fighter and training operations.
  • 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: Tachikawa airfield
Triple: [Tachikawa Aircraft Company, operatedAirfields, Tachikawa airfield]
Generated description
Tachikawa airfield is a historic Japanese air base in Tachikawa, Tokyo, that served as a major military and later U.S. Air Force facility before its eventual conversion to civilian and park use.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Tachikawa airfield
Target entity description: Tachikawa airfield is a historic Japanese air base in Tachikawa, Tokyo, that served as a major military and later U.S. Air Force facility before its eventual conversion to civilian and park use.
  • A. Nagoya Airfield
    Nagoya Airfield is a regional airport in Nagoya, Japan, primarily serving domestic flights and business aviation after the opening of Chubu Centrair International Airport.
  • B. Matsushima Air Base
    Matsushima Air Base is a Japan Air Self-Defense Force installation in Miyagi Prefecture best known as the home base of the Blue Impulse aerobatic demonstration team.
  • C. Amakusa Airfield
    Amakusa Airfield is a regional airport in Kumamoto Prefecture, Japan, serving the Amakusa Islands with domestic flights.
  • D. Tsuiki Air Base
    Tsuiki Air Base is a major Japan Air Self-Defense Force installation in Fukuoka Prefecture known for hosting fighter squadrons and air defense operations.
  • E. Hyakuri Air Base
    Hyakuri Air Base is a major Japan Air Self-Defense Force installation in Ibaraki Prefecture that serves as a key hub for fighter and training operations.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: operatedAirfields
Context triple: [Tachikawa Aircraft Company, operatedAirfields, Tachikawa airfield]
  • A. operatesAirbasesIn
    Indicates that an entity manages, controls, or conducts operations at airbases located within a specified area or jurisdiction.
  • B. airfieldRole
    Indicates the functional role or operational purpose that an airfield serves within a broader system or context.
  • C. airfieldBuilt
    Indicates that an airfield has been constructed or established, typically specifying who built it, where, and/or when.
  • D. containsAirfield
    Indicates that a location or area includes at least one airfield within its boundaries.
  • E. hasFormerMilitaryAirfield
    Indicates that an entity possesses or is associated with an airfield that was previously used for military purposes but is no longer active as such.
  • F. None of above. chosen

Provenance (7 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_69d6aa61c15c8190a1839550c56e75e1 completed April 8, 2026, 7:20 p.m.
NER Named-entity recognition batch_69d73334feb08190aae967eaa37659f7 completed April 9, 2026, 5:03 a.m.
NED1 Entity disambiguation (via context triple) batch_69de566352608190ab15e3a4b690c9a5 completed April 14, 2026, 2:59 p.m.
NEDg Description generation batch_69de5eae7ab88190a0c512cfe61e3458 completed April 14, 2026, 3:35 p.m.
NED2 Entity disambiguation (via description) batch_69de60907e1081908405b6d71adbd388 completed April 14, 2026, 3:43 p.m.
PD Predicate disambiguation batch_69d6f3188f00819094ee8d65b187a333 completed April 9, 2026, 12:30 a.m.
PDg Predicate description generation batch_69d6fa334b8c819082eaf8537084c323 completed April 9, 2026, 1 a.m.
Created at: April 8, 2026, 9:17 p.m.