Triple

T14064100
Position Surface form Disambiguated ID Type / Status
Subject Chūō Main Line E338417 entity
Predicate limitedExpressService P107165 FINISHED
Object Azusa
Azusa is a Japanese limited express train service operated by JR East that primarily connects Tokyo with the Kōfu and Matsumoto areas via the Chūō Main Line.
E1077695 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: Azusa | Statement: [Chūō Main Line, limitedExpressService, Azusa]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Azusa
Context triple: [Chūō Main Line, limitedExpressService, Azusa]
  • A. Azusa
    Azusa is a suburban city in the San Gabriel Valley region of Los Angeles County, California, located at the foothills of the San Gabriel Mountains.
  • B. Redlands
    Redlands is a historic city in Southern California known for its citrus-growing heritage, Victorian architecture, and role as an educational and cultural hub in the Inland Empire.
  • C. Torrance
    Torrance is a coastal city in southwestern Los Angeles County, California, known for its suburban neighborhoods, automotive and aerospace industries, and one of the region’s largest concentrations of Japanese-American residents.
  • D. Torrance
    Torrance is a small village in East Dunbartonshire, Scotland, known for its rural character and proximity to the outskirts of Glasgow.
  • E. Nevin
    Nevin is a surname most notably associated with Phil Nevin, a former Major League Baseball player and manager.
  • 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: Azusa
Triple: [Chūō Main Line, limitedExpressService, Azusa]
Generated description
Azusa is a Japanese limited express train service operated by JR East that primarily connects Tokyo with the Kōfu and Matsumoto areas via the Chūō Main Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Azusa
Target entity description: Azusa is a Japanese limited express train service operated by JR East that primarily connects Tokyo with the Kōfu and Matsumoto areas via the Chūō Main Line.
  • A. Azusa
    Azusa is a suburban city in the San Gabriel Valley region of Los Angeles County, California, located at the foothills of the San Gabriel Mountains.
  • B. Redlands
    Redlands is a historic city in Southern California known for its citrus-growing heritage, Victorian architecture, and role as an educational and cultural hub in the Inland Empire.
  • C. Torrance
    Torrance is a coastal city in southwestern Los Angeles County, California, known for its suburban neighborhoods, automotive and aerospace industries, and one of the region’s largest concentrations of Japanese-American residents.
  • D. Torrance
    Torrance is a small village in East Dunbartonshire, Scotland, known for its rural character and proximity to the outskirts of Glasgow.
  • E. Nevin
    Nevin is a surname most notably associated with Phil Nevin, a former Major League Baseball player and manager.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: limitedExpressService
Context triple: [Chūō Main Line, limitedExpressService, Azusa]
  • A. primaryExpressService
    Indicates that an entity provides or is associated with the main, prioritized express-level service in a given context.
  • B. hasLimitedExpressBrand chosen
    Indicates that an entity possesses or is associated with a Limited Express brand designation or service.
  • C. longDistanceService
    Indicates that a service operates over large geographic distances, typically connecting locations that are far apart rather than nearby.
  • D. shippingAccess
    Indicates that one entity has the ability or permission to ship items to or on behalf of another entity.
  • E. hasCenterExpressTracks
    Indicates that the subject location or facility contains express railway tracks running through its central area or core.
  • F. None of above.

Provenance (6 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_69d81c67ba6c819091935650dfb3b895 completed April 9, 2026, 9:38 p.m.
NER Named-entity recognition batch_69de5689c7f48190a47ca94eaa8a9ef9 completed April 14, 2026, 3 p.m.
NED1 Entity disambiguation (via context triple) batch_69fcb6673de881909653c7691422b800 completed May 7, 2026, 3:57 p.m.
NEDg Description generation batch_69fcc3b8aea881909b11a4671314810e completed May 7, 2026, 4:54 p.m.
NED2 Entity disambiguation (via description) batch_69fcc450fea881909e3b5bbd96469a8b completed May 7, 2026, 4:56 p.m.
PD Predicate disambiguation batch_69de05adef888190b023ab42ef5076b6 completed April 14, 2026, 9:15 a.m.
Created at: April 9, 2026, 10:21 p.m.