Triple

T1860629
Position Surface form Disambiguated ID Type / Status
Subject Taitō E34802 entity
Predicate hasRailwayStation P918 FINISHED
Object 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.
E451364 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: Higashi-Ueno Station | Statement: [Taitō, hasRailwayStation, Higashi-Ueno Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Higashi-Ueno Station
Context triple: [Taitō, hasRailwayStation, Higashi-Ueno Station]
  • A. Ueno Station
    Ueno Station is a major railway and subway hub in Tokyo, Japan, serving as a key gateway to the city’s northeastern regions and nearby cultural attractions like Ueno Park and its museums.
  • B. Kyobashi Station
    Kyobashi Station is a major railway hub in Osaka, Japan, serving multiple JR West, Keihan, and Osaka Metro lines and connecting central Osaka with surrounding areas.
  • C. Jiyugaoka Station
    Jiyugaoka Station is a major railway station in Tokyo’s Meguro Ward known for serving as a key hub on multiple Tokyu lines and providing access to the fashionable Jiyugaoka shopping and café district.
  • D. Asakusa Station
    Asakusa Station is a major railway and subway hub in Tokyo’s historic Asakusa district, serving multiple lines and providing access to popular attractions such as Sensō-ji Temple and the Sumida River area.
  • E. Yurakucho Station
    Yurakucho Station is a major railway hub in central Tokyo’s Chiyoda ward, serving multiple JR and subway lines and providing convenient access to the Ginza and Marunouchi districts.
  • 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: Higashi-Ueno Station
Triple: [Taitō, hasRailwayStation, Higashi-Ueno Station]
Generated description
Higashi-Ueno Station is a subway station in Tokyo, Japan, serving the Higashi-Ueno district of Taitō Ward on the Tokyo Metro Hibiya Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Higashi-Ueno Station
Target entity description: Higashi-Ueno Station is a subway station in Tokyo, Japan, serving the Higashi-Ueno district of Taitō Ward on the Tokyo Metro Hibiya Line.
  • A. Ueno Station
    Ueno Station is a major railway and subway hub in Tokyo, Japan, serving as a key gateway to the city’s northeastern regions and nearby cultural attractions like Ueno Park and its museums.
  • B. Kyobashi Station
    Kyobashi Station is a major railway hub in Osaka, Japan, serving multiple JR West, Keihan, and Osaka Metro lines and connecting central Osaka with surrounding areas.
  • C. Jiyugaoka Station
    Jiyugaoka Station is a major railway station in Tokyo’s Meguro Ward known for serving as a key hub on multiple Tokyu lines and providing access to the fashionable Jiyugaoka shopping and café district.
  • D. Asakusa Station
    Asakusa Station is a major railway and subway hub in Tokyo’s historic Asakusa district, serving multiple lines and providing access to popular attractions such as Sensō-ji Temple and the Sumida River area.
  • E. Yurakucho Station
    Yurakucho Station is a major railway hub in central Tokyo’s Chiyoda ward, serving multiple JR and subway lines and providing convenient access to the Ginza and Marunouchi districts.
  • 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_69a88600b2f88190bc09303e68ab517e completed March 4, 2026, 7:20 p.m.
NER Named-entity recognition batch_69abb09caee881908efe8aa38471298c completed March 7, 2026, 4:59 a.m.
NED1 Entity disambiguation (via context triple) batch_69bdb8d89e248190a9cd92e9f61697f8 completed March 20, 2026, 9:15 p.m.
NEDg Description generation batch_69bdbe7657c08190a1dfb6afadd27cc7 completed March 20, 2026, 9:39 p.m.
NED2 Entity disambiguation (via description) batch_69bdbed900b48190b8f41dc306dfed48 completed March 20, 2026, 9:40 p.m.
Created at: March 4, 2026, 7:34 p.m.