Triple

T11372454
Position Surface form Disambiguated ID Type / Status
Subject Komagome Station E269374 entity
Predicate JRSection P43954 FINISHED
Object Yamanote Line between Sugamo Station and Tabata Station
The Yamanote Line between Sugamo Station and Tabata Station is a segment of Tokyo’s busy circular JR rail loop that passes through the residential and commercial area served by Komagome Station.
E921944 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: Yamanote Line between Sugamo Station and Tabata Station | Statement: [Komagome Station, JRSection, Yamanote Line between Sugamo Station and Tabata Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Yamanote Line between Sugamo Station and Tabata Station
Context triple: [Komagome Station, JRSection, Yamanote Line between Sugamo Station and Tabata Station]
  • A. Toei Mita Line
    The Toei Mita Line is a Tokyo subway line operated by the Tokyo Metropolitan Bureau of Transportation, running north–south through the city and connecting central Tokyo with its northern suburbs.
  • B. JR Shonan–Shinjuku Line
    The JR Shonan–Shinjuku Line is a major Japan Railways commuter and intercity rail service that links the Shōnan area and Saitama via central Tokyo, providing through-running connections across multiple existing lines.
  • C. Narita Line (urban section)
    Narita Line (urban section) is a commuter rail line in the Greater Tokyo area operated by JR East, connecting central Chiba with Narita and serving as part of the region’s urban rail network.
  • D. Ikebukuro–Ochanomizu section
    The Ikebukuro–Ochanomizu section is an early central Tokyo subway corridor linking the Ikebukuro area with the Ochanomizu district as part of the Tokyo Metro Marunouchi Line.
  • E. Toei Shinjuku Line
    The Toei Shinjuku Line is a Tokyo subway line operated by the Tokyo Metropolitan Bureau of Transportation, running east–west across the city and connecting central Tokyo with its eastern suburbs.
  • 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: Yamanote Line between Sugamo Station and Tabata Station
Triple: [Komagome Station, JRSection, Yamanote Line between Sugamo Station and Tabata Station]
Generated description
The Yamanote Line between Sugamo Station and Tabata Station is a segment of Tokyo’s busy circular JR rail loop that passes through the residential and commercial area served by Komagome Station.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Yamanote Line between Sugamo Station and Tabata Station
Target entity description: The Yamanote Line between Sugamo Station and Tabata Station is a segment of Tokyo’s busy circular JR rail loop that passes through the residential and commercial area served by Komagome Station.
  • A. Toei Mita Line
    The Toei Mita Line is a Tokyo subway line operated by the Tokyo Metropolitan Bureau of Transportation, running north–south through the city and connecting central Tokyo with its northern suburbs.
  • B. JR Shonan–Shinjuku Line
    The JR Shonan–Shinjuku Line is a major Japan Railways commuter and intercity rail service that links the Shōnan area and Saitama via central Tokyo, providing through-running connections across multiple existing lines.
  • C. Narita Line (urban section)
    Narita Line (urban section) is a commuter rail line in the Greater Tokyo area operated by JR East, connecting central Chiba with Narita and serving as part of the region’s urban rail network.
  • D. Ikebukuro–Ochanomizu section
    The Ikebukuro–Ochanomizu section is an early central Tokyo subway corridor linking the Ikebukuro area with the Ochanomizu district as part of the Tokyo Metro Marunouchi Line.
  • E. Toei Shinjuku Line
    The Toei Shinjuku Line is a Tokyo subway line operated by the Tokyo Metropolitan Bureau of Transportation, running east–west across the city and connecting central Tokyo with its eastern suburbs.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: JRSection
Context triple: [Komagome Station, JRSection, Yamanote Line between Sugamo Station and Tabata Station]
  • A. regionOfJapan
    Indicates that one entity is a geographic region that is part of, or located within, Japan.
  • B. railwayLineSection chosen
    Indicates a specific segment or portion of a railway line that connects two points along the rail network.
  • C. SeikanTunnelConnects
    Indicates that the Seikan Tunnel serves as a physical connection between two geographic locations or regions.
  • D. SeikanTunnelType
    Indicates that one entity is classified as a specific type or category of Seikan Tunnel.
  • E. hasShinkansenStop
    Indicates that a location is served by and includes a stop for a Shinkansen (high-speed rail) line.
  • 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_69d6aacca1048190b39dbbc2174616fa completed April 8, 2026, 7:21 p.m.
NER Named-entity recognition batch_69d800160a1c81909d115bf89fe54a49 completed April 9, 2026, 7:37 p.m.
NED1 Entity disambiguation (via context triple) batch_69e5568516a481909ea66cbe53968e84 completed April 19, 2026, 10:26 p.m.
NEDg Description generation batch_69e562c7de3c8190befb6d7131129a2c completed April 19, 2026, 11:18 p.m.
NED2 Entity disambiguation (via description) batch_69e56a776390819082d47ad00cf1862b completed April 19, 2026, 11:51 p.m.
PD Predicate disambiguation batch_69d7e7022d508190996f9be0847c2b41 completed April 9, 2026, 5:50 p.m.
Created at: April 8, 2026, 9:33 p.m.