Triple

T14302104
Position Surface form Disambiguated ID Type / Status
Subject Toei Shinjuku Line E354590 entity
Predicate interchangeWith P3495 FINISHED
Object Toei Mita Line at Jimbocho Station
The Toei Mita Line at Jimbocho Station is a Tokyo subway line stop in Chiyoda Ward that serves as a key transfer point between the Mita and Shinjuku lines in a major educational and publishing district.
E1091532 NE FINISHED

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: Toei Mita Line at Jimbocho Station | Statement: [Toei Shinjuku Line, interchangeWith, Toei Mita Line at Jimbocho Station]

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: Toei Mita Line at Jimbocho Station
Context triple: [Toei Shinjuku Line, interchangeWith, Toei Mita Line at Jimbocho Station]
  • A. Toei Shinjuku Line at Kudanshita
    The Toei Shinjuku Line at Kudanshita is a station on Tokyo’s Toei Shinjuku subway line that serves as a key transfer point in central Tokyo.
  • B. Toei Mita Line at Otemachi
    The Toei Mita Line at Otemachi is a major Tokyo subway line stop that serves as a key transfer point within the city’s extensive urban rail network.
  • C. Odakyu Line at Shinjuku Station
    The Odakyu Line at Shinjuku Station is a major private railway terminal in Tokyo that serves as a key commuter and intercity hub connecting central Shinjuku with western suburbs and destinations such as Odawara and Hakone.
  • D. Tokyo Metro Hibiya Line at Kayabacho
    Tokyo Metro Hibiya Line at Kayabacho is a busy Tokyo subway line stop in the Nihonbashi business district, providing key access to central commercial and financial areas.
  • E. Jimbocho Station on Toei Shinjuku Line
    Jimbocho Station on the Toei Shinjuku Line is an underground subway station in Tokyo’s Chiyoda ward, serving the Jimbocho district and providing transfers to multiple Tokyo Metro and Toei lines.
  • 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: Toei Mita Line at Jimbocho Station
Target entity description: The Toei Mita Line at Jimbocho Station is a Tokyo subway line stop in Chiyoda Ward that serves as a key transfer point between the Mita and Shinjuku lines in a major educational and publishing district.
  • A. Toei Shinjuku Line at Kudanshita
    The Toei Shinjuku Line at Kudanshita is a station on Tokyo’s Toei Shinjuku subway line that serves as a key transfer point in central Tokyo.
  • B. Toei Mita Line at Otemachi
    The Toei Mita Line at Otemachi is a major Tokyo subway line stop that serves as a key transfer point within the city’s extensive urban rail network.
  • C. Odakyu Line at Shinjuku Station
    The Odakyu Line at Shinjuku Station is a major private railway terminal in Tokyo that serves as a key commuter and intercity hub connecting central Shinjuku with western suburbs and destinations such as Odawara and Hakone.
  • D. Tokyo Metro Hibiya Line at Kayabacho
    Tokyo Metro Hibiya Line at Kayabacho is a busy Tokyo subway line stop in the Nihonbashi business district, providing key access to central commercial and financial areas.
  • E. Jimbocho Station on Toei Shinjuku Line
    Jimbocho Station on the Toei Shinjuku Line is an underground subway station in Tokyo’s Chiyoda ward, serving the Jimbocho district and providing transfers to multiple Tokyo Metro and Toei lines.
  • F. None of above. chosen

How the object was described

The object's one-sentence description was generated by prompting gpt-5.1 with the object name and this triple as context.

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: Toei Mita Line at Jimbocho Station
Triple: [Toei Shinjuku Line, interchangeWith, Toei Mita Line at Jimbocho Station]
Generated description
The Toei Mita Line at Jimbocho Station is a Tokyo subway line stop in Chiyoda Ward that serves as a key transfer point between the Mita and Shinjuku lines in a major educational and publishing district.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69d8278e17088190b328c5a9d4be74ff elicitation completed
NER batch_69de717fc2348190bb6ba3109bd2871f ner completed
NED1 batch_69fd3d2883e081909c53170ef30b4125 ned_source_triple completed
NED2 batch_69fd3eb045488190b44812eb638807ff ned_description completed
NEDg batch_69fd3dc46b408190b7c515156f81f1fc nedg completed
Created at: April 10, 2026, 1:12 a.m.