Triple

T16927710
Position Surface form Disambiguated ID Type / Status
Subject Nakameguro Station E410617 entity
Predicate isLocatedOn P18608 FINISHED
Object Tokyu Toyoko Line corridor between Shibuya and Yokohama
The Tokyu Toyoko Line corridor between Shibuya and Yokohama is a major private railway route in the Tokyo–Yokohama metropolitan area, linking central Tokyo with Yokohama through a series of busy urban and suburban districts.
E1241088 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: Tokyu Toyoko Line corridor between Shibuya and Yokohama | Statement: [Nakameguro Station, isLocatedOn, Tokyu Toyoko Line corridor between Shibuya and Yokohama]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Tokyu Toyoko Line corridor between Shibuya and Yokohama
Context triple: [Nakameguro Station, isLocatedOn, Tokyu Toyoko Line corridor between Shibuya and Yokohama]
  • A. Tokyu Shin-Yokohama Line
    The Tokyu Shin-Yokohama Line is a commuter railway line in the Greater Tokyo area that connects Tokyu Corporation’s network with the Shinkansen hub at Shin-Yokohama, improving through-services and regional accessibility.
  • B. 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.
  • 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. Tokyu Den-en-toshi Line
    Tokyu Den-en-toshi Line is a major private railway line in the Tokyo metropolitan area that connects central Tokyo with suburban residential districts, including service to Shibuya.
  • E. Tōkyū Tamagawa Line
    The Tōkyū Tamagawa Line is a commuter railway line in Tokyo operated by Tokyu Corporation, connecting residential areas in Ōta Ward with major hubs on the city’s rail network.
  • 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: Tokyu Toyoko Line corridor between Shibuya and Yokohama
Triple: [Nakameguro Station, isLocatedOn, Tokyu Toyoko Line corridor between Shibuya and Yokohama]
Generated description
The Tokyu Toyoko Line corridor between Shibuya and Yokohama is a major private railway route in the Tokyo–Yokohama metropolitan area, linking central Tokyo with Yokohama through a series of busy urban and suburban districts.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Tokyu Toyoko Line corridor between Shibuya and Yokohama
Target entity description: The Tokyu Toyoko Line corridor between Shibuya and Yokohama is a major private railway route in the Tokyo–Yokohama metropolitan area, linking central Tokyo with Yokohama through a series of busy urban and suburban districts.
  • A. Tokyu Shin-Yokohama Line
    The Tokyu Shin-Yokohama Line is a commuter railway line in the Greater Tokyo area that connects Tokyu Corporation’s network with the Shinkansen hub at Shin-Yokohama, improving through-services and regional accessibility.
  • B. 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.
  • 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. Tokyu Den-en-toshi Line
    Tokyu Den-en-toshi Line is a major private railway line in the Tokyo metropolitan area that connects central Tokyo with suburban residential districts, including service to Shibuya.
  • E. Tōkyū Tamagawa Line
    The Tōkyū Tamagawa Line is a commuter railway line in Tokyo operated by Tokyu Corporation, connecting residential areas in Ōta Ward with major hubs on the city’s rail network.
  • 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_69d886c7b1e481908c3766dfa8c13458 completed April 10, 2026, 5:12 a.m.
NER Named-entity recognition batch_69e3cdf3fc3c8190a884f7ecd5c47adb completed April 18, 2026, 6:31 p.m.
NED1 Entity disambiguation (via context triple) batch_6a00cfdb6b608190af910e225d942d37 completed May 10, 2026, 6:35 p.m.
NEDg Description generation batch_6a00d0ce499c81909bd4ec1c77ae0202 completed May 10, 2026, 6:39 p.m.
NED2 Entity disambiguation (via description) batch_6a00d14d13548190bb09408d28ff1ef8 completed May 10, 2026, 6:41 p.m.
Created at: April 10, 2026, 5:30 a.m.