Triple

T12840631
Position Surface form Disambiguated ID Type / Status
Subject Nankai Airport Line at Izumisano Station E307039 entity
Predicate partOf P40 FINISHED
Object Nankai Airport Line
The Nankai Airport Line is a Japanese railway line operated by Nankai Electric Railway that connects central Osaka with Kansai International Airport.
 E434739 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 Airport Line | Statement: [Nankai Airport Line at Izumisano Station, partOf, Nankai Airport Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Nankai Airport Line
Context triple: [Nankai Airport Line at Izumisano Station, partOf, Nankai Airport Line]
  • A. Kansai Airport Line
    The Kansai Airport Line is a railway route in Japan that connects Kansai International Airport with the mainland rail network, providing access to major cities in the Kansai region.
  • B. Keikyū Airport Line
    The Keikyū Airport Line is a railway line in the Tokyo area that provides direct train access between central Tokyo and Haneda Airport.
  • C. Nankai Hashimoto Line
    The Nankai Hashimoto Line is a regional railway line in Japan operated by Nankai Electric Railway, connecting suburban areas of Osaka Prefecture with Hashimoto in Wakayama Prefecture.
  • D. Nankai Takashinohama Line
    The Nankai Takashinohama Line is a short commuter railway line in Osaka Prefecture, Japan, operated by Nankai Electric Railway and serving local passengers in the Sakai area.
  • E. Nankai Shiomibashi Line
    The Nankai Shiomibashi Line is a short commuter railway line in Osaka, Japan, operated by Nankai Electric Railway as part of its urban rail network.
  • 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 Airport Line
Triple: [Nankai Airport Line at Izumisano Station, partOf, Nankai Airport Line]
Generated description
The Nankai Airport Line is a Japanese railway line operated by Nankai Electric Railway that connects central Osaka with Kansai International Airport.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Nankai Airport Line
Target entity description: The Nankai Airport Line is a Japanese railway line operated by Nankai Electric Railway that connects central Osaka with Kansai International Airport.
  • A. Kansai Airport Line chosen
    The Kansai Airport Line is a railway route in Japan that connects Kansai International Airport with the mainland rail network, providing access to major cities in the Kansai region.
  • B. Keikyū Airport Line
    The Keikyū Airport Line is a railway line in the Tokyo area that provides direct train access between central Tokyo and Haneda Airport.
  • C. Nankai Hashimoto Line
    The Nankai Hashimoto Line is a regional railway line in Japan operated by Nankai Electric Railway, connecting suburban areas of Osaka Prefecture with Hashimoto in Wakayama Prefecture.
  • D. Nankai Takashinohama Line
    The Nankai Takashinohama Line is a short commuter railway line in Osaka Prefecture, Japan, operated by Nankai Electric Railway and serving local passengers in the Sakai area.
  • E. Nankai Shiomibashi Line
    The Nankai Shiomibashi Line is a short commuter railway line in Osaka, Japan, operated by Nankai Electric Railway as part of its urban rail network.
  • F. None of above.

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_69d7bdf52b94819096d6f0ba4ab50a98 completed April 9, 2026, 2:55 p.m.
NER Named-entity recognition batch_69d96ff2ab60819085561a3120189985 completed April 10, 2026, 9:47 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0875fb6c1c819080afe7378dfd090e completed May 16, 2026, 1:49 p.m.
NEDg Description generation batch_6a0877c797bc8190b065869262798e59 completed May 16, 2026, 1:57 p.m.
NED2 Entity disambiguation (via description) batch_6a087841f0dc81909e6cf27c87faa02e completed May 16, 2026, 1:59 p.m.
Created at: April 9, 2026, 5:35 p.m.