Triple

T6084606
Position Surface form Disambiguated ID Type / Status
Subject Tokyu 5050 series E135605 entity
Predicate usedOnLine P15252 FINISHED
Object 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.
E770445 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 Shin-Yokohama Line | Statement: [Tokyu 5050 series, usedOnLine, Tokyu Shin-Yokohama Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Tokyu Shin-Yokohama Line
Context triple: [Tokyu 5050 series, usedOnLine, Tokyu Shin-Yokohama Line]
  • A. 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.
  • B. Tōkyū Ikegami Line
    The Tōkyū Ikegami Line is a commuter railway line in Tokyo operated by Tokyu Corporation, connecting residential areas in Ōta Ward with central districts such as Shinagawa.
  • C. 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.
  • D. Tōkyū Ōimachi Line
    The Tōkyū Ōimachi Line is a major commuter railway line in Tokyo operated by Tokyu Corporation, connecting central Tokyo areas such as Ōimachi and Futako-Tamagawa with surrounding residential districts.
  • E. Yokohama Line
    The Yokohama Line is a commuter rail line in the Greater Tokyo area of Japan operated by JR East, connecting Hachiōji and Higashi-Kanagawa and serving key suburban and urban districts around Yokohama.
  • 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 Shin-Yokohama Line
Triple: [Tokyu 5050 series, usedOnLine, Tokyu Shin-Yokohama Line]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Tokyu Shin-Yokohama Line
Target entity description: 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.
  • A. 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.
  • B. Tōkyū Ikegami Line
    The Tōkyū Ikegami Line is a commuter railway line in Tokyo operated by Tokyu Corporation, connecting residential areas in Ōta Ward with central districts such as Shinagawa.
  • C. 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.
  • D. Tōkyū Ōimachi Line
    The Tōkyū Ōimachi Line is a major commuter railway line in Tokyo operated by Tokyu Corporation, connecting central Tokyo areas such as Ōimachi and Futako-Tamagawa with surrounding residential districts.
  • E. Yokohama Line
    The Yokohama Line is a commuter rail line in the Greater Tokyo area of Japan operated by JR East, connecting Hachiōji and Higashi-Kanagawa and serving key suburban and urban districts around Yokohama.
  • 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_69c0087bcc788190b20f093d3a6c60ec completed March 22, 2026, 3:19 p.m.
NER Named-entity recognition batch_69c057891dc88190997c4e32b2261fb3 completed March 22, 2026, 8:56 p.m.
NED1 Entity disambiguation (via context triple) batch_69cfd04f80fc8190aae7c4823ddecb4a completed April 3, 2026, 2:35 p.m.
NEDg Description generation batch_69cfd118aad08190bcba087d8925cd92 completed April 3, 2026, 2:39 p.m.
NED2 Entity disambiguation (via description) batch_69cfd17f502881908db49ad0c2065902 completed April 3, 2026, 2:41 p.m.
Created at: March 22, 2026, 4:12 p.m.