Triple

T10056996
Position Surface form Disambiguated ID Type / Status
Subject Sendagi E208887 entity
Predicate transportServedBy P1298 FINISHED
Object Sendagi Station
Sendagi Station is a Tokyo Metro subway station in Bunkyō, Tokyo, serving the Chiyoda Line near the traditional Yanaka–Nezu–Sendagi district.
 E981041 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: Sendagi Station | Statement: [Sendagi, transportServedBy, Sendagi Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Sendagi Station
Context triple: [Sendagi, transportServedBy, Sendagi Station]
  • A. Sendagaya Station
    Sendagaya Station is a railway station in Shibuya, Tokyo, serving as a local transit hub near major sports and cultural facilities such as the National Stadium.
  • B. Toda Station
    Toda Station is a railway station in Toda, Saitama Prefecture, Japan, operated by JR East and located on a major commuter route into central Tokyo.
  • 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. Hadano Station
    Hadano Station is a railway station in Hadano, Kanagawa Prefecture, Japan, serving as a local transit hub on the Odakyu Odawara Line.
  • E. Kitasando Station
    Kitasando Station is an underground subway station in Shibuya, Tokyo, serving the Tokyo Metro network near the Meiji Shrine and Harajuku 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: Sendagi Station
Triple: [Sendagi, transportServedBy, Sendagi Station]
Generated description
Sendagi Station is a Tokyo Metro subway station in Bunkyō, Tokyo, serving the Chiyoda Line near the traditional Yanaka–Nezu–Sendagi district.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Sendagi Station
Target entity description: Sendagi Station is a Tokyo Metro subway station in Bunkyō, Tokyo, serving the Chiyoda Line near the traditional Yanaka–Nezu–Sendagi district.
  • A. Sendagaya Station
    Sendagaya Station is a railway station in Shibuya, Tokyo, serving as a local transit hub near major sports and cultural facilities such as the National Stadium.
  • B. Toda Station
    Toda Station is a railway station in Toda, Saitama Prefecture, Japan, operated by JR East and located on a major commuter route into central Tokyo.
  • 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. Hadano Station
    Hadano Station is a railway station in Hadano, Kanagawa Prefecture, Japan, serving as a local transit hub on the Odakyu Odawara Line.
  • E. Kitasando Station
    Kitasando Station is an underground subway station in Shibuya, Tokyo, serving the Tokyo Metro network near the Meiji Shrine and Harajuku 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_69ca836094408190a36a1ea7e9a86fcd completed March 30, 2026, 2:06 p.m.
NER Named-entity recognition batch_69cdcfae503881909b9f016da4e2207d completed April 2, 2026, 2:08 a.m.
NED1 Entity disambiguation (via context triple) batch_69f63449892881909d361815cbfcdee5 completed May 2, 2026, 5:28 p.m.
NEDg Description generation batch_69f635997b088190b6207fcac5594eb2 completed May 2, 2026, 5:34 p.m.
NED2 Entity disambiguation (via description) batch_69f636d9e13881908d3d08c6cf954304 completed May 2, 2026, 5:39 p.m.
Created at: March 30, 2026, 8:57 p.m.