Triple

T6084607
Position Surface form Disambiguated ID Type / Status
Subject Tokyu 5050 series E135605 entity
Predicate usedOnLine P15252 FINISHED
Object Sotetsu Shin-Yokohama Line
The Sotetsu Shin-Yokohama Line is a railway line in the Greater Tokyo area that connects Sotetsu Railway’s network to Shin-Yokohama, enhancing through-services with other major private railway operators.
 E773827 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: Sotetsu Shin-Yokohama Line | Statement: [Tokyu 5050 series, usedOnLine, Sotetsu Shin-Yokohama Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Sotetsu Shin-Yokohama Line
Context triple: [Tokyu 5050 series, usedOnLine, Sotetsu Shin-Yokohama Line]
  • 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. 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.
  • C. 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.
  • 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. Yokosuka Line
    The Yokosuka Line is a major JR East railway line in the Greater Tokyo area that connects central Tokyo with Yokosuka in Kanagawa Prefecture, serving both commuter and intercity traffic.
  • 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: Sotetsu Shin-Yokohama Line
Triple: [Tokyu 5050 series, usedOnLine, Sotetsu Shin-Yokohama Line]
Generated description
The Sotetsu Shin-Yokohama Line is a railway line in the Greater Tokyo area that connects Sotetsu Railway’s network to Shin-Yokohama, enhancing through-services with other major private railway operators.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Sotetsu Shin-Yokohama Line
Target entity description: The Sotetsu Shin-Yokohama Line is a railway line in the Greater Tokyo area that connects Sotetsu Railway’s network to Shin-Yokohama, enhancing through-services with other major private railway operators.
  • 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. 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.
  • C. 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.
  • 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. Yokosuka Line
    The Yokosuka Line is a major JR East railway line in the Greater Tokyo area that connects central Tokyo with Yokosuka in Kanagawa Prefecture, serving both commuter and intercity traffic.
  • 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_69cfdb6942ec8190a8326a98b1cd4e50 completed April 3, 2026, 3:23 p.m.
NEDg Description generation batch_69cfdd3117c881908645b6526537571a completed April 3, 2026, 3:30 p.m.
NED2 Entity disambiguation (via description) batch_69cfe10917188190b0223b14e7a8ed39 completed April 3, 2026, 3:47 p.m.
Created at: March 22, 2026, 4:12 p.m.