Triple

T7637704
Position Surface form Disambiguated ID Type / Status
Subject Southern limited express E172921 entity
Predicate railwayLineUsed P848 FINISHED
Object Nankai Airport Line
The Nankai Airport Line is a Japanese railway line in the Osaka area that connects central Osaka to Kansai International Airport, primarily serving airport access trains.
 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: [Southern limited express, railwayLineUsed, Nankai Airport Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Nankai Airport Line
Context triple: [Southern limited express, railwayLineUsed, 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. Osaka Loop Line
    The Osaka Loop Line is a circular railway line in Osaka, Japan, operated by JR West, that connects major urban and suburban districts around the city center.
  • D. Osaka Metro Tanimachi Line
    The Osaka Metro Tanimachi Line is a major north–south subway line in Osaka, Japan, connecting key commercial and residential districts across the city.
  • E. Namboku Line
    The Namboku Line is a Tokyo Metro subway line running north–south through central Tokyo, connecting residential districts with major business and transit hubs.
  • 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: [Southern limited express, railwayLineUsed, Nankai Airport Line]
Generated description
The Nankai Airport Line is a Japanese railway line in the Osaka area that connects central Osaka to Kansai International Airport, primarily serving airport access trains.
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 in the Osaka area that connects central Osaka to Kansai International Airport, primarily serving airport access trains.
  • 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. Osaka Loop Line
    The Osaka Loop Line is a circular railway line in Osaka, Japan, operated by JR West, that connects major urban and suburban districts around the city center.
  • D. Osaka Metro Tanimachi Line
    The Osaka Metro Tanimachi Line is a major north–south subway line in Osaka, Japan, connecting key commercial and residential districts across the city.
  • E. Namboku Line
    The Namboku Line is a Tokyo Metro subway line running north–south through central Tokyo, connecting residential districts with major business and transit hubs.
  • 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_69c69952849881908fdcea7a93bfc307 completed March 27, 2026, 2:50 p.m.
NER Named-entity recognition batch_69c6fac953e08190a2f50bf783c49faf completed March 27, 2026, 9:46 p.m.
NED1 Entity disambiguation (via context triple) batch_69cbde8e8264819082a3954072dffd09 completed March 31, 2026, 2:47 p.m.
NEDg Description generation batch_69cc46bca04481908852425c214a4e34 completed March 31, 2026, 10:12 p.m.
NED2 Entity disambiguation (via description) batch_69cc49129e188190aaebd6a1188788d9 completed March 31, 2026, 10:22 p.m.
Created at: March 27, 2026, 3:57 p.m.