Triple

T2480151
Position Surface form Disambiguated ID Type / Status
Subject Amagasaki Station E55794 entity
Predicate servedByLine P1293 FINISHED
Object JR Tōzai Line
The JR Tōzai Line is a commuter rail line in the Kansai region of Japan operated by West Japan Railway Company (JR West), connecting Kyōbashi in Osaka with Amagasaki in Hyōgo via central Osaka.
E353685 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: JR Tōzai Line | Statement: [Amagasaki Station, servedByLine, JR Tōzai Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: JR Tōzai Line
Context triple: [Amagasaki Station, servedByLine, JR Tōzai Line]
  • A. JR Chuo-Sobu Line
    The JR Chuo-Sobu Line is a major local railway line in Tokyo and surrounding areas operated by JR East, connecting central city districts and numerous commuter neighborhoods.
  • B. JR Saikyo Line
    The JR Saikyo Line is a major commuter rail line in the Tokyo metropolitan area operated by JR East, connecting central Tokyo with Saitama Prefecture and serving key hubs such as Shibuya and Shinjuku.
  • C. JR Yamanote Line
    The JR Yamanote Line is a busy circular railway loop in central Tokyo that connects many of the city’s major urban hubs and transit interchanges.
  • D. Keio Line
    The Keio Line is a major private railway line in Tokyo, Japan, operated by Keio Corporation, connecting central Tokyo with its western suburbs.
  • E. 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.
  • 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: JR Tōzai Line
Triple: [Amagasaki Station, servedByLine, JR Tōzai Line]
Generated description
The JR Tōzai Line is a commuter rail line in the Kansai region of Japan operated by West Japan Railway Company (JR West), connecting Kyōbashi in Osaka with Amagasaki in Hyōgo via central Osaka.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: JR Tōzai Line
Target entity description: The JR Tōzai Line is a commuter rail line in the Kansai region of Japan operated by West Japan Railway Company (JR West), connecting Kyōbashi in Osaka with Amagasaki in Hyōgo via central Osaka.
  • A. JR Chuo-Sobu Line
    The JR Chuo-Sobu Line is a major local railway line in Tokyo and surrounding areas operated by JR East, connecting central city districts and numerous commuter neighborhoods.
  • B. JR Saikyo Line
    The JR Saikyo Line is a major commuter rail line in the Tokyo metropolitan area operated by JR East, connecting central Tokyo with Saitama Prefecture and serving key hubs such as Shibuya and Shinjuku.
  • C. JR Yamanote Line
    The JR Yamanote Line is a busy circular railway loop in central Tokyo that connects many of the city’s major urban hubs and transit interchanges.
  • D. Keio Line
    The Keio Line is a major private railway line in Tokyo, Japan, operated by Keio Corporation, connecting central Tokyo with its western suburbs.
  • E. 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.
  • 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_69ab49e670a88190b928e08302381710 completed March 6, 2026, 9:40 p.m.
NER Named-entity recognition batch_69abd160a9708190b28d2f5538ea129a completed March 7, 2026, 7:18 a.m.
NED1 Entity disambiguation (via context triple) batch_69b333f7b3848190bcef4a06a2b94dd1 completed March 12, 2026, 9:45 p.m.
NEDg Description generation batch_69b334d1e3348190b231a33058ee08a5 completed March 12, 2026, 9:49 p.m.
NED2 Entity disambiguation (via description) batch_69b33901299481908615762989e45e7c completed March 12, 2026, 10:06 p.m.
Created at: March 6, 2026, 9:45 p.m.