Triple

T11934316
Position Surface form Disambiguated ID Type / Status
Subject 文京区 E283998 entity
Predicate hasRailwayStation P918 FINISHED
Object 東大前駅
東大前駅 is a Tokyo Metro Namboku Line subway station in Tokyo’s Bunkyō ward that serves as a primary access point to the University of Tokyo’s Hongo campus.
E954814 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: 東大前駅 | Statement: [文京区, hasRailwayStation, 東大前駅]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: 東大前駅
Context triple: [文京区, hasRailwayStation, 東大前駅]
  • A. Nishi-Waseda Station
    Nishi-Waseda Station is an underground subway station in Shinjuku, Tokyo, served by the Tokyo Metro Fukutoshin Line.
  • B. Higashi-Ueno Station
    Higashi-Ueno Station is a subway station in Tokyo, Japan, serving the Higashi-Ueno district of Taitō Ward on the Tokyo Metro Hibiya Line.
  • C. 大宮駅
    大宮駅は、埼玉県さいたま市大宮区に位置する東日本旅客鉄道(JR東日本)や東武鉄道、埼玉新都市交通などが乗り入れる北関東有数のターミナル駅です。
  • D. Ueno-okachimachi Station
    Ueno-okachimachi Station is a subway station in Tokyo, Japan, serving the Toei Ōedo Line and providing convenient transfers to several nearby JR and Tokyo Metro stations in the Ueno and Okachimachi area.
  • E. Omotesando Station
    Omotesando Station is a major Tokyo subway hub in the fashionable Omotesandō district, serving multiple lines and providing access to upscale shopping and cultural attractions.
  • 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: 東大前駅
Triple: [文京区, hasRailwayStation, 東大前駅]
Generated description
東大前駅 is a Tokyo Metro Namboku Line subway station in Tokyo’s Bunkyō ward that serves as a primary access point to the University of Tokyo’s Hongo campus.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: 東大前駅
Target entity description: 東大前駅 is a Tokyo Metro Namboku Line subway station in Tokyo’s Bunkyō ward that serves as a primary access point to the University of Tokyo’s Hongo campus.
  • A. Nishi-Waseda Station
    Nishi-Waseda Station is an underground subway station in Shinjuku, Tokyo, served by the Tokyo Metro Fukutoshin Line.
  • B. Higashi-Ueno Station
    Higashi-Ueno Station is a subway station in Tokyo, Japan, serving the Higashi-Ueno district of Taitō Ward on the Tokyo Metro Hibiya Line.
  • C. 大宮駅
    大宮駅は、埼玉県さいたま市大宮区に位置する東日本旅客鉄道(JR東日本)や東武鉄道、埼玉新都市交通などが乗り入れる北関東有数のターミナル駅です。
  • D. Ueno-okachimachi Station
    Ueno-okachimachi Station is a subway station in Tokyo, Japan, serving the Toei Ōedo Line and providing convenient transfers to several nearby JR and Tokyo Metro stations in the Ueno and Okachimachi area.
  • E. Omotesando Station
    Omotesando Station is a major Tokyo subway hub in the fashionable Omotesandō district, serving multiple lines and providing access to upscale shopping and cultural attractions.
  • 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_69d6ab2ce9c48190b5d39511b524f666 completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d90306fcf48190a963d2d1932288d1 completed April 10, 2026, 2:02 p.m.
NED1 Entity disambiguation (via context triple) batch_69f4407cc2388190b0f849fbeed89ab7 completed May 1, 2026, 5:56 a.m.
NEDg Description generation batch_69f448fc874081908fe05f9d8aff11a3 completed May 1, 2026, 6:32 a.m.
NED2 Entity disambiguation (via description) batch_69f44afdc7b08190bdf47cfcb94c34c8 completed May 1, 2026, 6:41 a.m.
Created at: April 8, 2026, 9:45 p.m.