Triple

T11407325
Position Surface form Disambiguated ID Type / Status
Subject Tokyo International Forum E270271 entity
Predicate publicTransitAccess P1288 FINISHED
Object Yurakucho Station on JR Yamanote Line
Yurakucho Station on the JR Yamanote Line is a major central Tokyo railway hub located near the Marunouchi and Ginza districts, providing convenient access to business, shopping, and cultural venues.
E923959 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: Yurakucho Station on JR Yamanote Line | Statement: [Tokyo International Forum, publicTransitAccess, Yurakucho Station on JR Yamanote Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Yurakucho Station on JR Yamanote Line
Context triple: [Tokyo International Forum, publicTransitAccess, Yurakucho Station on JR Yamanote Line]
  • A. Mejiro Station on Yamanote Line
    Mejiro Station on the Yamanote Line is a small, relatively quiet JR East railway station in Tokyo’s Toshima ward, situated between the major hubs of Ikebukuro and Takadanobaba.
  • B. Roppongi Station on Tokyo Metro Hibiya Line
    Roppongi Station on the Tokyo Metro Hibiya Line is a major underground railway station in Tokyo’s Roppongi district, providing access to its nightlife, business centers, and attractions such as Roppongi Hills.
  • C. Kanda Station on Yamanote Line
    Kanda Station on the Yamanote Line is a major railway station in central Tokyo that serves as a key commuter hub near the city's business districts.
  • D. Osaki Station on Yamanote Line
    Osaki Station on the Yamanote Line is a major railway hub in Tokyo’s Shinagawa ward, serving as a key stop and operational base on the city’s central loop line.
  • E. Tokyo Metro Yurakucho Line (at Ikebukuro Station)
    The Tokyo Metro Yurakucho Line at Ikebukuro Station is a major Tokyo subway line stop that serves as a key transfer point between central Tokyo’s subway network and suburban rail services such as the Tobu Tojo Line.
  • 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: Yurakucho Station on JR Yamanote Line
Triple: [Tokyo International Forum, publicTransitAccess, Yurakucho Station on JR Yamanote Line]
Generated description
Yurakucho Station on the JR Yamanote Line is a major central Tokyo railway hub located near the Marunouchi and Ginza districts, providing convenient access to business, shopping, and cultural venues.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Yurakucho Station on JR Yamanote Line
Target entity description: Yurakucho Station on the JR Yamanote Line is a major central Tokyo railway hub located near the Marunouchi and Ginza districts, providing convenient access to business, shopping, and cultural venues.
  • A. Mejiro Station on Yamanote Line
    Mejiro Station on the Yamanote Line is a small, relatively quiet JR East railway station in Tokyo’s Toshima ward, situated between the major hubs of Ikebukuro and Takadanobaba.
  • B. Roppongi Station on Tokyo Metro Hibiya Line
    Roppongi Station on the Tokyo Metro Hibiya Line is a major underground railway station in Tokyo’s Roppongi district, providing access to its nightlife, business centers, and attractions such as Roppongi Hills.
  • C. Kanda Station on Yamanote Line
    Kanda Station on the Yamanote Line is a major railway station in central Tokyo that serves as a key commuter hub near the city's business districts.
  • D. Osaki Station on Yamanote Line
    Osaki Station on the Yamanote Line is a major railway hub in Tokyo’s Shinagawa ward, serving as a key stop and operational base on the city’s central loop line.
  • E. Tokyo Metro Yurakucho Line (at Ikebukuro Station)
    The Tokyo Metro Yurakucho Line at Ikebukuro Station is a major Tokyo subway line stop that serves as a key transfer point between central Tokyo’s subway network and suburban rail services such as the Tobu Tojo Line.
  • 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_69d6aaddeaa8819088b30ef7b50598c9 completed April 8, 2026, 7:22 p.m.
NER Named-entity recognition batch_69d8014c820c81908538ba4a08e13230 completed April 9, 2026, 7:43 p.m.
NED1 Entity disambiguation (via context triple) batch_69e58d6eea4c81908319a590d2d9e177 completed April 20, 2026, 2:20 a.m.
NEDg Description generation batch_69e59777b1208190a33a50da286535ee completed April 20, 2026, 3:03 a.m.
NED2 Entity disambiguation (via description) batch_69e5a3cf9d388190944340af484b3a54 completed April 20, 2026, 3:55 a.m.
Created at: April 8, 2026, 9:34 p.m.