Triple

T1102224
Position Surface form Disambiguated ID Type / Status
Subject Tokyo Metro Fukutoshin Line E25404 entity
Predicate hasStation P35 FINISHED
Object Heiwadai Station
Heiwadai Station is a subway station in Tokyo, Japan, served by the Tokyo Metro Fukutoshin Line (and typically also the Yurakucho Line), providing local commuter access in the Nerima ward.
E166471 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: Heiwadai Station | Statement: [Tokyo Metro Fukutoshin Line, hasStation, Heiwadai Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Heiwadai Station
Context triple: [Tokyo Metro Fukutoshin Line, hasStation, Heiwadai Station]
  • A. Osakako Station
    Osakako Station is a railway station in Osaka, Japan, serving the Osaka Metro Chūō Line and providing access to the Osaka Bay area’s attractions.
  • B. Tsukamoto Station
    Tsukamoto Station is a railway station in Osaka, Japan, served by JR West and located just west of the major Osaka Station on the Tōkaidō Main Line (JR Kobe Line).
  • C. Naha Station
    Naha Station is a major railway terminal in Naha, Okinawa, serving as a key transportation hub for the city and surrounding region.
  • D. Wakoshi Station
    Wakoshi Station is a major railway hub in Wako, Saitama Prefecture, Japan, serving multiple Tokyo Metro and Tobu lines and functioning as an important gateway between Saitama and central Tokyo.
  • E. Kencho-mae Station
    Kencho-mae Station is a monorail station on the Okinawa Urban Monorail (Yui Rail) in central Naha, Japan, serving as a key access point to the Okinawa Prefectural Government Office area.
  • 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: Heiwadai Station
Triple: [Tokyo Metro Fukutoshin Line, hasStation, Heiwadai Station]
Generated description
Heiwadai Station is a subway station in Tokyo, Japan, served by the Tokyo Metro Fukutoshin Line (and typically also the Yurakucho Line), providing local commuter access in the Nerima ward.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Heiwadai Station
Target entity description: Heiwadai Station is a subway station in Tokyo, Japan, served by the Tokyo Metro Fukutoshin Line (and typically also the Yurakucho Line), providing local commuter access in the Nerima ward.
  • A. Osakako Station
    Osakako Station is a railway station in Osaka, Japan, serving the Osaka Metro Chūō Line and providing access to the Osaka Bay area’s attractions.
  • B. Tsukamoto Station
    Tsukamoto Station is a railway station in Osaka, Japan, served by JR West and located just west of the major Osaka Station on the Tōkaidō Main Line (JR Kobe Line).
  • C. Naha Station
    Naha Station is a major railway terminal in Naha, Okinawa, serving as a key transportation hub for the city and surrounding region.
  • D. Wakoshi Station
    Wakoshi Station is a major railway hub in Wako, Saitama Prefecture, Japan, serving multiple Tokyo Metro and Tobu lines and functioning as an important gateway between Saitama and central Tokyo.
  • E. Kencho-mae Station
    Kencho-mae Station is a monorail station on the Okinawa Urban Monorail (Yui Rail) in central Naha, Japan, serving as a key access point to the Okinawa Prefectural Government Office area.
  • 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_69a49428d4448190b3b36991ceae87ce completed March 1, 2026, 7:31 p.m.
NER Named-entity recognition batch_69a4b9c21c2c8190a34d91a7afed23a9 completed March 1, 2026, 10:12 p.m.
NED1 Entity disambiguation (via context triple) batch_69ad0e5bc6348190a0d23fe269707e1b completed March 8, 2026, 5:51 a.m.
NEDg Description generation batch_69ad0eff5f7c81908e9bfdeb1819aa2a completed March 8, 2026, 5:54 a.m.
NED2 Entity disambiguation (via description) batch_69ad0f5c864c8190874a413ac67ba43a completed March 8, 2026, 5:55 a.m.
Created at: March 1, 2026, 7:43 p.m.