Triple

T20121919
Position Surface form Disambiguated ID Type / Status
Subject Wakayama-shi Station E490629 entity
Predicate category P87 FINISHED
Object Stations of Nankai Electric Railway — NE NERFINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Stations of Nankai Electric Railway | Statement: [Wakayama-shi Station, category, Stations of Nankai Electric Railway]

Disambiguation candidates (2 decisions)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Stations of Nankai Electric Railway
Context triple: [Wakayama-shi Station, category, Stations of Nankai Electric Railway]
  • A. Stations of West Japan Railway Company
    Stations of West Japan Railway Company are railway stations operated by JR West, serving various urban and regional lines primarily in western Honshu, Japan.
  • B. Hankyu Nose Line
    The Hankyu Nose Line is a commuter railway line in Japan operated by Hankyu Railway, connecting suburban areas in Hyōgo Prefecture with the broader Hankyu network.
  • C. Hankyu Sanbangai
    Hankyu Sanbangai is a major underground and above-ground shopping complex in Osaka’s Umeda district, featuring a wide range of fashion, dining, and lifestyle stores connected to key Hankyu railway and subway stations.
  • D. Stations of East Japan Railway Company
    Stations of East Japan Railway Company are railway stations operated by JR East, one of Japan’s major rail operators serving the eastern regions of the country including the Tokyo metropolitan area.
  • E. Sendai Subway
    Sendai Subway is an urban rapid transit system serving the city of Sendai in Japan, providing key north–south and east–west rail connections across the metropolitan area.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Stations of Nankai Electric Railway
Target entity description: Stations of Nankai Electric Railway are railway stops operated by the Nankai Electric Railway company, primarily serving the Kansai region of Japan including Osaka and Wakayama.
  • A. Stations of West Japan Railway Company
    Stations of West Japan Railway Company are railway stations operated by JR West, serving various urban and regional lines primarily in western Honshu, Japan.
  • B. Hankyu Nose Line
    The Hankyu Nose Line is a commuter railway line in Japan operated by Hankyu Railway, connecting suburban areas in Hyōgo Prefecture with the broader Hankyu network.
  • C. Hankyu Sanbangai
    Hankyu Sanbangai is a major underground and above-ground shopping complex in Osaka’s Umeda district, featuring a wide range of fashion, dining, and lifestyle stores connected to key Hankyu railway and subway stations.
  • D. Stations of East Japan Railway Company
    Stations of East Japan Railway Company are railway stations operated by JR East, one of Japan’s major rail operators serving the eastern regions of the country including the Tokyo metropolitan area.
  • E. Sendai Subway
    Sendai Subway is an urban rapid transit system serving the city of Sendai in Japan, providing key north–south and east–west rail connections across the metropolitan area.
  • F. None of above. chosen

Provenance (2 batches)

Stage Batch ID Job type Status
creating batch_69da62651a0c8190a3e05e95e056a66b elicitation completed
NER batch_69e6673f5b4c8190bf9fb5f4e6b6a452 ner completed
Created at: April 11, 2026, 11:30 p.m.