Triple

T6795012
Position Surface form Disambiguated ID Type / Status
Subject Tobu Tojo Line E156031 entity
Predicate connectsWith P37 FINISHED
Object JR Saikyo Line (at Ikebukuro Station)
The JR Saikyo Line at Ikebukuro Station is a major JR East commuter rail line in Tokyo that provides rapid north–south access through the city and connects with multiple private and subway lines.
 E623123 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 Saikyo Line (at Ikebukuro Station) | Statement: [Tobu Tojo Line, connectsWith, JR Saikyo Line (at Ikebukuro Station)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: JR Saikyo Line (at Ikebukuro Station)
Context triple: [Tobu Tojo Line, connectsWith, JR Saikyo Line (at Ikebukuro Station)]
  • A. Seibu Ikebukuro Line
    The Seibu Ikebukuro Line is a major private railway line in the Tokyo area operated by Seibu Railway, connecting Ikebukuro in central Tokyo with suburban destinations in Saitama Prefecture.
  • B. Seibu Ikebukuro
    Seibu Ikebukuro is a major Japanese department store located in Tokyo’s Ikebukuro district, known for its extensive fashion, food, and lifestyle offerings.
  • C. JR Lines at Kanda
    JR Lines at Kanda refers to the Japan Railways train services that stop at Kanda Station in Tokyo, a key commuter hub connecting multiple JR lines with the Tokyo Metro network.
  • D. Seibu Yurakucho Line
    The Seibu Yurakucho Line is a commuter railway line in Tokyo operated by Seibu Railway, linking the Seibu Ikebukuro Line with central Tokyo subway networks.
  • E. Seibu Shinjuku Line
    The Seibu Shinjuku Line is a major private railway line in the Tokyo area operated by Seibu Railway, connecting Seibu-Shinjuku Station in central Tokyo with suburban cities in western Tokyo and Saitama Prefecture.
  • 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 Saikyo Line (at Ikebukuro Station)
Triple: [Tobu Tojo Line, connectsWith, JR Saikyo Line (at Ikebukuro Station)]
Generated description
The JR Saikyo Line at Ikebukuro Station is a major JR East commuter rail line in Tokyo that provides rapid north–south access through the city and connects with multiple private and subway lines.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: JR Saikyo Line (at Ikebukuro Station)
Target entity description: The JR Saikyo Line at Ikebukuro Station is a major JR East commuter rail line in Tokyo that provides rapid north–south access through the city and connects with multiple private and subway lines.
  • A. Seibu Ikebukuro Line
    The Seibu Ikebukuro Line is a major private railway line in the Tokyo area operated by Seibu Railway, connecting Ikebukuro in central Tokyo with suburban destinations in Saitama Prefecture.
  • B. Seibu Ikebukuro
    Seibu Ikebukuro is a major Japanese department store located in Tokyo’s Ikebukuro district, known for its extensive fashion, food, and lifestyle offerings.
  • C. JR Lines at Kanda
    JR Lines at Kanda refers to the Japan Railways train services that stop at Kanda Station in Tokyo, a key commuter hub connecting multiple JR lines with the Tokyo Metro network.
  • D. Seibu Yurakucho Line
    The Seibu Yurakucho Line is a commuter railway line in Tokyo operated by Seibu Railway, linking the Seibu Ikebukuro Line with central Tokyo subway networks.
  • E. Seibu Shinjuku Line
    The Seibu Shinjuku Line is a major private railway line in the Tokyo area operated by Seibu Railway, connecting Seibu-Shinjuku Station in central Tokyo with suburban cities in western Tokyo and Saitama Prefecture.
  • 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_69c6881844448190a65822d9b39d7f88 completed March 27, 2026, 1:37 p.m.
NER Named-entity recognition batch_69c6d2c6e7dc8190b1f33372d047baba completed March 27, 2026, 6:56 p.m.
NED1 Entity disambiguation (via context triple) batch_69c72f94b7388190806939f8e8982d2e completed March 28, 2026, 1:32 a.m.
NEDg Description generation batch_69c730f488808190acb1bf82502aed89 completed March 28, 2026, 1:37 a.m.
NED2 Entity disambiguation (via description) batch_69c7314a92948190adfddd0122d7b1f2 completed March 28, 2026, 1:39 a.m.
Created at: March 27, 2026, 2:15 p.m.