Triple

T1209284
Position Surface form Disambiguated ID Type / Status
Subject Tokyu Den-en-toshi Line E25960 entity
Predicate notableStation P3858 FINISHED
Object Futako-Tamagawa Station
Futako-Tamagawa Station is a major railway hub in Tokyo’s Setagaya ward, serving as a key transit point and gateway to the Futako-Tamagawa shopping and business district along the Tama River.
 E386687 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: Futako-Tamagawa Station | Statement: [Tokyu Den-en-toshi Line, notableStation, Futako-Tamagawa Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Futako-Tamagawa Station
Context triple: [Tokyu Den-en-toshi Line, notableStation, Futako-Tamagawa Station]
  • A. Eifukuchō Station
    Eifukuchō Station is a railway station in Suginami, Tokyo, Japan, served by the Keio Inokashira Line.
  • B. Takadanobaba Station
    Takadanobaba Station is a major railway hub in Tokyo’s Shinjuku ward, serving multiple lines and providing convenient access to nearby universities and commercial areas.
  • C. Kawaguchi Station
    Kawaguchi Station is a railway station in Kawaguchi, Saitama Prefecture, Japan, operated by East Japan Railway Company (JR East).
  • D. Hamamatsuchō Station
    Hamamatsuchō Station is a major railway hub in Tokyo’s Minato ward that provides convenient access to central Tokyo, Haneda Airport, and the surrounding bayfront area.
  • E. Fujimigaoka Station
    Fujimigaoka Station is a railway station in Tokyo, Japan, serving passengers on a suburban commuter line operated by the Keio Corporation.
  • 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: Futako-Tamagawa Station
Triple: [Tokyu Den-en-toshi Line, notableStation, Futako-Tamagawa Station]
Generated description
Futako-Tamagawa Station is a major railway hub in Tokyo’s Setagaya ward, serving as a key transit point and gateway to the Futako-Tamagawa shopping and business district along the Tama River.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Futako-Tamagawa Station
Target entity description: Futako-Tamagawa Station is a major railway hub in Tokyo’s Setagaya ward, serving as a key transit point and gateway to the Futako-Tamagawa shopping and business district along the Tama River.
  • A. Eifukuchō Station
    Eifukuchō Station is a railway station in Suginami, Tokyo, Japan, served by the Keio Inokashira Line.
  • B. Takadanobaba Station
    Takadanobaba Station is a major railway hub in Tokyo’s Shinjuku ward, serving multiple lines and providing convenient access to nearby universities and commercial areas.
  • C. Kawaguchi Station
    Kawaguchi Station is a railway station in Kawaguchi, Saitama Prefecture, Japan, operated by East Japan Railway Company (JR East).
  • D. Hamamatsuchō Station
    Hamamatsuchō Station is a major railway hub in Tokyo’s Minato ward that provides convenient access to central Tokyo, Haneda Airport, and the surrounding bayfront area.
  • E. Fujimigaoka Station
    Fujimigaoka Station is a railway station in Tokyo, Japan, serving passengers on a suburban commuter line operated by the Keio Corporation.
  • 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_69a4942b30f08190a91c60573e16b5ef completed March 1, 2026, 7:31 p.m.
NER Named-entity recognition batch_69a4bde30ce08190ab60a181ad2d321d completed March 1, 2026, 10:29 p.m.
NED1 Entity disambiguation (via context triple) batch_69b4e4b980888190a7df10662789f61e completed March 14, 2026, 4:31 a.m.
NEDg Description generation batch_69b4e5f07c7081908e1aae715984aac4 completed March 14, 2026, 4:37 a.m.
NED2 Entity disambiguation (via description) batch_69b4e6531b48819083c0d14c2ca4f7c1 completed March 14, 2026, 4:38 a.m.
Created at: March 1, 2026, 7:46 p.m.