Triple

T760260
Position Surface form Disambiguated ID Type / Status
Subject Namba Station E16052 entity
Predicate railwayLine P848 FINISHED
Object Nankai Koya Line
The Nankai Koya Line is a major private railway line in the Osaka region of Japan operated by Nankai Electric Railway, connecting central Osaka with the Mount Koya area.
 E102999 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: Nankai Koya Line | Statement: [Namba Station, railwayLine, Nankai Koya Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Nankai Koya Line
Context triple: [Namba Station, railwayLine, Nankai Koya Line]
  • A. Sennichimae Line
    The Sennichimae Line is a rapid transit line in Osaka, Japan, forming part of the city’s urban subway network.
  • B. 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.
  • C. Nagahori Tsurumi-ryokuchi Line
    The Nagahori Tsurumi-ryokuchi Line is a major Osaka Metro subway line in Osaka, Japan, known for being the country’s first full-scale linear motor-powered urban railway line.
  • D. Yamatoji Line
    The Yamatoji Line is a railway line in Japan operated by JR West that connects Osaka with Nara, serving as a key commuter and intercity route in the Kansai region.
  • E. Nankai Main Line
    The Nankai Main Line is a major private railway line in the Osaka region of Japan, operated by Nankai Electric Railway and serving as a key commuter and airport access route.
  • 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: Nankai Koya Line
Triple: [Namba Station, railwayLine, Nankai Koya Line]
Generated description
The Nankai Koya Line is a major private railway line in the Osaka region of Japan operated by Nankai Electric Railway, connecting central Osaka with the Mount Koya area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Nankai Koya Line
Target entity description: The Nankai Koya Line is a major private railway line in the Osaka region of Japan operated by Nankai Electric Railway, connecting central Osaka with the Mount Koya area.
  • A. Sennichimae Line
    The Sennichimae Line is a rapid transit line in Osaka, Japan, forming part of the city’s urban subway network.
  • B. 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.
  • C. Nagahori Tsurumi-ryokuchi Line
    The Nagahori Tsurumi-ryokuchi Line is a major Osaka Metro subway line in Osaka, Japan, known for being the country’s first full-scale linear motor-powered urban railway line.
  • D. Yamatoji Line
    The Yamatoji Line is a railway line in Japan operated by JR West that connects Osaka with Nara, serving as a key commuter and intercity route in the Kansai region.
  • E. Nankai Main Line
    The Nankai Main Line is a major private railway line in the Osaka region of Japan, operated by Nankai Electric Railway and serving as a key commuter and airport access route.
  • 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_69a493684ee48190bd43b7c78da4aec8 completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a4a68158508190998da10e69252662 completed March 1, 2026, 8:50 p.m.
NED1 Entity disambiguation (via context triple) batch_69a7b83948b48190af0349dd73ec3951 completed March 4, 2026, 4:42 a.m.
NEDg Description generation batch_69a7b99c19fc819090e0f9a042a8c12c completed March 4, 2026, 4:48 a.m.
NED2 Entity disambiguation (via description) batch_69a7ba44b79c8190b0ce8a430fe928e5 completed March 4, 2026, 4:51 a.m.
Created at: March 1, 2026, 7:37 p.m.