Triple

T10521045
Position Surface form Disambiguated ID Type / Status
Subject Musashino E248168 entity
Predicate hasRailwayStation P918 FINISHED
Object Mitaka Station
Mitaka Station is a major railway station in western Tokyo, Japan, serving as a key stop on JR East lines including the Chūō Main Line.
 E1077871 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: Mitaka Station | Statement: [Musashino, hasRailwayStation, Mitaka Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Mitaka Station
Context triple: [Musashino, hasRailwayStation, Mitaka Station]
  • A. Oimachi Station
    Oimachi Station is a major railway hub in Tokyo’s Shinagawa ward, serving multiple train and subway lines and connecting local neighborhoods with central and suburban areas of the city.
  • B. Tawaramachi Station
    Tawaramachi Station is a subway station on the Tokyo Metro Ginza Line located in the Taitō ward of Tokyo, Japan.
  • C. Mitakadai Station
    Mitakadai Station is a railway station in Tokyo, Japan, operated by Keio Corporation on its Inokashira Line.
  • D. Shiyakusho Station
    Shiyakusho Station is a subway station in Nagoya, Japan, serving the city hall area and providing convenient access to Nagoya Castle.
  • E. Tamachi Station
    Tamachi Station is a major railway station in Tokyo, Japan, serving the JR Yamanote and Keihin-Tōhoku Lines and providing access to the Minato ward’s business and commercial districts.
  • 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: Mitaka Station
Triple: [Musashino, hasRailwayStation, Mitaka Station]
Generated description
Mitaka Station is a major railway station in western Tokyo, Japan, serving as a key stop on JR East lines including the Chūō Main Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Mitaka Station
Target entity description: Mitaka Station is a major railway station in western Tokyo, Japan, serving as a key stop on JR East lines including the Chūō Main Line.
  • A. Oimachi Station
    Oimachi Station is a major railway hub in Tokyo’s Shinagawa ward, serving multiple train and subway lines and connecting local neighborhoods with central and suburban areas of the city.
  • B. Tawaramachi Station
    Tawaramachi Station is a subway station on the Tokyo Metro Ginza Line located in the Taitō ward of Tokyo, Japan.
  • C. Mitakadai Station
    Mitakadai Station is a railway station in Tokyo, Japan, operated by Keio Corporation on its Inokashira Line.
  • D. Shiyakusho Station
    Shiyakusho Station is a subway station in Nagoya, Japan, serving the city hall area and providing convenient access to Nagoya Castle.
  • E. Tamachi Station
    Tamachi Station is a major railway station in Tokyo, Japan, serving the JR Yamanote and Keihin-Tōhoku Lines and providing access to the Minato ward’s business and commercial districts.
  • 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_69d381c5c7448190bec34bee7ec72bac completed April 6, 2026, 9:49 a.m.
NER Named-entity recognition batch_69d509dec25881909bc748640f26a416 completed April 7, 2026, 1:42 p.m.
NED1 Entity disambiguation (via context triple) batch_69fcb63c80048190be87b41cdd4ac775 completed May 7, 2026, 3:56 p.m.
NEDg Description generation batch_69fcc4fa09448190b662af829712e657 completed May 7, 2026, 4:59 p.m.
NED2 Entity disambiguation (via description) batch_69fcc5d162c081908750fed589ed2d69 completed May 7, 2026, 5:03 p.m.
Created at: April 6, 2026, 12:28 p.m.