Triple

T11855452
Position Surface form Disambiguated ID Type / Status
Subject Ōta, Tokyo E282024 entity
Predicate contains P35 FINISHED
Object Ikegami Station
Ikegami Station is a railway station in Tokyo, Japan, serving the Ikegami district and providing local commuter access within the city’s Ōta ward.
E1487898 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: Ikegami Station | Statement: [Ōta, Tokyo, contains, Ikegami Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Ikegami Station
Context triple: [Ōta, Tokyo, contains, Ikegami Station]
  • A. Imamiya Station
    Imamiya Station is a railway station in Osaka, Japan, served by JR West and functioning as a local transit hub connecting several urban lines.
  • B. Itami Station
    Itami Station is a railway station in Itami, Hyōgo Prefecture, Japan, operated by JR West and serving as a stop on the Fukuchiyama (JR Takarazuka) Line.
  • C. Ikenoue Station
    Ikenoue Station is a railway station in Tokyo, Japan, served by the Keio Inokashira Line and primarily used by local commuters.
  • D. Itakano Station
    Itakano Station is a subway station in Higashiyodogawa-ku, Osaka, Japan, serving as the northern terminus of the Osaka Metro Imazatosuji Line.
  • E. Imazato Station
    Imazato Station is a railway station in Osaka, Japan, serving as a local transit hub on the Osaka Metro network.
  • 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: Ikegami Station
Triple: [Ōta, Tokyo, contains, Ikegami Station]
Generated description
Ikegami Station is a railway station in Tokyo, Japan, serving the Ikegami district and providing local commuter access within the city’s Ōta ward.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Ikegami Station
Target entity description: Ikegami Station is a railway station in Tokyo, Japan, serving the Ikegami district and providing local commuter access within the city’s Ōta ward.
  • A. Imamiya Station
    Imamiya Station is a railway station in Osaka, Japan, served by JR West and functioning as a local transit hub connecting several urban lines.
  • B. Itami Station
    Itami Station is a railway station in Itami, Hyōgo Prefecture, Japan, operated by JR West and serving as a stop on the Fukuchiyama (JR Takarazuka) Line.
  • C. Ikenoue Station
    Ikenoue Station is a railway station in Tokyo, Japan, served by the Keio Inokashira Line and primarily used by local commuters.
  • D. Itakano Station
    Itakano Station is a subway station in Higashiyodogawa-ku, Osaka, Japan, serving as the northern terminus of the Osaka Metro Imazatosuji Line.
  • E. Imazato Station
    Imazato Station is a railway station in Osaka, Japan, serving as a local transit hub on the Osaka Metro network.
  • 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_69d6ab287ba48190a5178779fd19b9b7 completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d8a697f4108190af984932d2118472 completed April 10, 2026, 7:28 a.m.
NED1 Entity disambiguation (via context triple) batch_6a09e11c15f08190a8db613e7b34f0a7 completed May 17, 2026, 3:39 p.m.
NEDg Description generation batch_6a09e20fc78c8190938ec8f40ff98772 completed May 17, 2026, 3:43 p.m.
NED2 Entity disambiguation (via description) batch_6a09e2b77d90819083138b6cbe80eb85 completed May 17, 2026, 3:45 p.m.
Created at: April 8, 2026, 9:43 p.m.