Triple

T2532381
Position Surface form Disambiguated ID Type / Status
Subject Kyobashi Station E56190 entity
Predicate railwayLine P848 FINISHED
Object Gakkentoshi Line
The Gakkentoshi Line is a commuter rail line in the Osaka–Kyoto region of Japan operated by JR West, connecting urban centers with suburban and residential areas.
 E446059 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: Gakkentoshi Line | Statement: [Kyobashi Station, railwayLine, Gakkentoshi Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Gakkentoshi Line
Context triple: [Kyobashi Station, railwayLine, Gakkentoshi Line]
  • A. Imazatosuji Line
    The Imazatosuji Line is a rapid transit line in Osaka, Japan, operated by Osaka Metro and serving as one of the city’s main north–south subway corridors.
  • B. Saikyō Line
    The Saikyō Line is a major JR East railway line in the Tokyo metropolitan area that connects central Tokyo with Saitama Prefecture, serving as a key commuter route.
  • C. Tanagawa Line
    The Tanagawa Line is a short commuter railway line in Osaka Prefecture, Japan, operated by Nankai Electric Railway and serving local passengers near the coastal area.
  • D. Marunouchi Line
    The Marunouchi Line is one of Tokyo’s main subway lines, forming a central loop and radial route that connects key business, shopping, and transit hubs across the city.
  • E. Fukutoshin Line
    The Fukutoshin Line is a Tokyo Metro subway line in Tokyo, Japan, connecting major commercial and residential districts such as Shibuya, Shinjuku, and Ikebukuro.
  • 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: Gakkentoshi Line
Triple: [Kyobashi Station, railwayLine, Gakkentoshi Line]
Generated description
The Gakkentoshi Line is a commuter rail line in the Osaka–Kyoto region of Japan operated by JR West, connecting urban centers with suburban and residential areas.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Gakkentoshi Line
Target entity description: The Gakkentoshi Line is a commuter rail line in the Osaka–Kyoto region of Japan operated by JR West, connecting urban centers with suburban and residential areas.
  • A. Imazatosuji Line
    The Imazatosuji Line is a rapid transit line in Osaka, Japan, operated by Osaka Metro and serving as one of the city’s main north–south subway corridors.
  • B. Saikyō Line
    The Saikyō Line is a major JR East railway line in the Tokyo metropolitan area that connects central Tokyo with Saitama Prefecture, serving as a key commuter route.
  • C. Tanagawa Line
    The Tanagawa Line is a short commuter railway line in Osaka Prefecture, Japan, operated by Nankai Electric Railway and serving local passengers near the coastal area.
  • D. Marunouchi Line
    The Marunouchi Line is one of Tokyo’s main subway lines, forming a central loop and radial route that connects key business, shopping, and transit hubs across the city.
  • E. Fukutoshin Line
    The Fukutoshin Line is a Tokyo Metro subway line in Tokyo, Japan, connecting major commercial and residential districts such as Shibuya, Shinjuku, and Ikebukuro.
  • 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_69ab4a49b6508190bc467fbef4bac334 completed March 6, 2026, 9:42 p.m.
NER Named-entity recognition batch_69abd279cf108190b03fb6e0265f39d9 completed March 7, 2026, 7:23 a.m.
NED1 Entity disambiguation (via context triple) batch_69bd566575a88190a03a306fbe40f8c9 completed March 20, 2026, 2:15 p.m.
NEDg Description generation batch_69bd5a5b078c81908398641bcc4e2c60 completed March 20, 2026, 2:31 p.m.
NED2 Entity disambiguation (via description) batch_69bd5ab9d984819082dcd0c39f5bcafd completed March 20, 2026, 2:33 p.m.
Created at: March 6, 2026, 9:47 p.m.