Triple

T2882376
Position Surface form Disambiguated ID Type / Status
Subject Nankai Main Line E59425 entity
Predicate connectsTo P845 FINISHED
Object Nankai Airport Line at Izumisano Station
The Nankai Airport Line at Izumisano Station is a railway line in Osaka Prefecture that provides direct access between central Osaka and Kansai International Airport.
E307039 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 at Izumisano Station | Statement: [Nankai Main Line, connectsTo, Nankai Airport Line at Izumisano Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Nankai Airport Line at Izumisano Station
Context triple: [Nankai Main Line, connectsTo, Nankai Airport Line at Izumisano Station]
  • A. Nankai Electric Railway at Shin-Imamiya Station
    Nankai Electric Railway at Shin-Imamiya Station is a major private railway hub in Osaka that provides regional and airport access, including services toward Kansai International Airport and Wakayama.
  • B. Osaka Metro Chuo Line
    The Osaka Metro Chuo Line is a major rapid transit line in Osaka, Japan, running east–west through the city and serving key commercial, business, and waterfront areas.
  • C. JR West Biwako Line
    The JR West Biwako Line is a major railway corridor in Japan’s Kansai region, forming part of the Tōkaidō Main Line and connecting Kyoto and Shiga Prefectures along the shores of Lake Biwa.
  • D. Hanshin Namba Line
    The Hanshin Namba Line is a Japanese railway line in the Kansai region that connects Osaka’s Namba area with the Hanshin network, providing through services between central Osaka and Kobe/Nara.
  • E. Kintetsu Namba Line
    The Kintetsu Namba Line is a major commuter railway line in Osaka, Japan, operated by Kintetsu Railway and connecting central Osaka with the wider Kintetsu 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 at Izumisano Station
Triple: [Nankai Main Line, connectsTo, Nankai Airport Line at Izumisano Station]
Generated description
The Nankai Airport Line at Izumisano Station is a railway line in Osaka Prefecture that provides direct access between central Osaka and Kansai International Airport.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Nankai Airport Line at Izumisano Station
Target entity description: The Nankai Airport Line at Izumisano Station is a railway line in Osaka Prefecture that provides direct access between central Osaka and Kansai International Airport.
  • A. Nankai Electric Railway at Shin-Imamiya Station
    Nankai Electric Railway at Shin-Imamiya Station is a major private railway hub in Osaka that provides regional and airport access, including services toward Kansai International Airport and Wakayama.
  • B. Osaka Metro Chuo Line
    The Osaka Metro Chuo Line is a major rapid transit line in Osaka, Japan, running east–west through the city and serving key commercial, business, and waterfront areas.
  • C. JR West Biwako Line
    The JR West Biwako Line is a major railway corridor in Japan’s Kansai region, forming part of the Tōkaidō Main Line and connecting Kyoto and Shiga Prefectures along the shores of Lake Biwa.
  • D. Hanshin Namba Line
    The Hanshin Namba Line is a Japanese railway line in the Kansai region that connects Osaka’s Namba area with the Hanshin network, providing through services between central Osaka and Kobe/Nara.
  • E. Kintetsu Namba Line
    The Kintetsu Namba Line is a major commuter railway line in Osaka, Japan, operated by Kintetsu Railway and connecting central Osaka with the wider Kintetsu network.
  • 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_69ab4ac739188190a112f42a5a69c951 completed March 6, 2026, 9:44 p.m.
NER Named-entity recognition batch_69abe02aa5948190a2e0bd9168232bd5 completed March 7, 2026, 8:22 a.m.
NED1 Entity disambiguation (via context triple) batch_69b03167d7dc819093e91e0d42f3de6f completed March 10, 2026, 2:57 p.m.
NEDg Description generation batch_69b03549ed388190b478614397076361 completed March 10, 2026, 3:14 p.m.
NED2 Entity disambiguation (via description) batch_69b035f849888190a5b9ee15aa456522 completed March 10, 2026, 3:17 p.m.
Created at: March 6, 2026, 10:03 p.m.