Triple

T11286474
Position Surface form Disambiguated ID Type / Status
Subject Toei Oedo Line E267201 entity
Predicate hasStation P35 FINISHED
Object Nakai Station
Nakai Station is a railway station in Tokyo, Japan, served by both the Toei Ōedo Line and the Seibu Shinjuku Line.
E1335468 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: Nakai Station | Statement: [Toei Oedo Line, hasStation, Nakai Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Nakai Station
Context triple: [Toei Oedo Line, hasStation, Nakai Station]
  • A. Sakae Station
    Sakae Station is a major underground railway and subway hub in Nagoya, Japan, serving the busy Sakae commercial and entertainment district.
  • B. Minowa Station
    Minowa Station is a subway station on the Tokyo Metro Hibiya Line serving the Taitō area of Tokyo, Japan.
  • C. Shinsen Station
    Shinsen Station is a railway station in Tokyo, Japan, served by the Keio Inokashira Line and located near the Shibuya area.
  • D. Yata Station
    Yata Station is a railway station in Osaka, Japan, operated by Kintetsu Railway on its Minami Osaka Line.
  • E. Shinsugita Station
    Shinsugita Station is a railway station in Yokohama, Japan, serving as a local transit hub within the city's Isogo Ward.
  • 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: Nakai Station
Triple: [Toei Oedo Line, hasStation, Nakai Station]
Generated description
Nakai Station is a railway station in Tokyo, Japan, served by both the Toei Ōedo Line and the Seibu Shinjuku Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Nakai Station
Target entity description: Nakai Station is a railway station in Tokyo, Japan, served by both the Toei Ōedo Line and the Seibu Shinjuku Line.
  • A. Sakae Station
    Sakae Station is a major underground railway and subway hub in Nagoya, Japan, serving the busy Sakae commercial and entertainment district.
  • B. Minowa Station
    Minowa Station is a subway station on the Tokyo Metro Hibiya Line serving the Taitō area of Tokyo, Japan.
  • C. Shinsen Station
    Shinsen Station is a railway station in Tokyo, Japan, served by the Keio Inokashira Line and located near the Shibuya area.
  • D. Yata Station
    Yata Station is a railway station in Osaka, Japan, operated by Kintetsu Railway on its Minami Osaka Line.
  • E. Shinsugita Station
    Shinsugita Station is a railway station in Yokohama, Japan, serving as a local transit hub within the city's Isogo Ward.
  • 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_69d6aac993a08190a6f36445ebaf9a43 completed April 8, 2026, 7:21 p.m.
NER Named-entity recognition batch_69d7e986b0f08190a414749eaa7f1a5d completed April 9, 2026, 6:01 p.m.
NED1 Entity disambiguation (via context triple) batch_6a051701512c819080be8649f1f1b401 completed May 14, 2026, 12:27 a.m.
NEDg Description generation batch_6a05184e0cc881909aad820f5afc34be completed May 14, 2026, 12:33 a.m.
NED2 Entity disambiguation (via description) batch_6a05189feab08190ad33ec2f5711fecb completed May 14, 2026, 12:34 a.m.
Created at: April 8, 2026, 9:32 p.m.