Triple

T1742820
Position Surface form Disambiguated ID Type / Status
Subject Tama E38268 entity
Predicate servedBy P82 FINISHED
Object Seibu Shinjuku Line
The Seibu Shinjuku Line is a major private railway line in the Tokyo area operated by Seibu Railway, connecting Seibu-Shinjuku Station in central Tokyo with suburban cities in western Tokyo and Saitama Prefecture.
 E384447 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: Seibu Shinjuku Line | Statement: [Tama, servedBy, Seibu Shinjuku Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Seibu Shinjuku Line
Context triple: [Tama, servedBy, Seibu Shinjuku Line]
  • A. Seibu Yurakucho Line
    The Seibu Yurakucho Line is a commuter railway line in Tokyo operated by Seibu Railway, linking the Seibu Ikebukuro Line with central Tokyo subway networks.
  • B. Seibu Ikebukuro Line
    The Seibu Ikebukuro Line is a major private railway line in the Tokyo area operated by Seibu Railway, connecting Ikebukuro in central Tokyo with suburban destinations in Saitama Prefecture.
  • C. Toei Shinjuku Line
    The Toei Shinjuku Line is a Tokyo subway line operated by the Tokyo Metropolitan Bureau of Transportation, running east–west across the city and connecting central Tokyo with its eastern suburbs.
  • D. Tokyu Den-en-toshi Line
    Tokyu Den-en-toshi Line is a major private railway line in the Tokyo metropolitan area that connects central Tokyo with suburban residential districts, including service to Shibuya.
  • E. Toei Oedo Line
    The Toei Oedo Line is a major Tokyo subway loop and radial line operated by the Tokyo Metropolitan Bureau of Transportation, connecting central districts with many key commercial and residential areas.
  • 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: Seibu Shinjuku Line
Triple: [Tama, servedBy, Seibu Shinjuku Line]
Generated description
The Seibu Shinjuku Line is a major private railway line in the Tokyo area operated by Seibu Railway, connecting Seibu-Shinjuku Station in central Tokyo with suburban cities in western Tokyo and Saitama Prefecture.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Seibu Shinjuku Line
Target entity description: The Seibu Shinjuku Line is a major private railway line in the Tokyo area operated by Seibu Railway, connecting Seibu-Shinjuku Station in central Tokyo with suburban cities in western Tokyo and Saitama Prefecture.
  • A. Seibu Yurakucho Line
    The Seibu Yurakucho Line is a commuter railway line in Tokyo operated by Seibu Railway, linking the Seibu Ikebukuro Line with central Tokyo subway networks.
  • B. Seibu Ikebukuro Line
    The Seibu Ikebukuro Line is a major private railway line in the Tokyo area operated by Seibu Railway, connecting Ikebukuro in central Tokyo with suburban destinations in Saitama Prefecture.
  • C. Toei Shinjuku Line
    The Toei Shinjuku Line is a Tokyo subway line operated by the Tokyo Metropolitan Bureau of Transportation, running east–west across the city and connecting central Tokyo with its eastern suburbs.
  • D. Tokyu Den-en-toshi Line
    Tokyu Den-en-toshi Line is a major private railway line in the Tokyo metropolitan area that connects central Tokyo with suburban residential districts, including service to Shibuya.
  • E. Toei Oedo Line
    The Toei Oedo Line is a major Tokyo subway loop and radial line operated by the Tokyo Metropolitan Bureau of Transportation, connecting central districts with many key commercial and residential areas.
  • 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_69a8862b01a48190ab47209063af82d9 completed March 4, 2026, 7:21 p.m.
NER Named-entity recognition batch_69aa63c836d48190bd44ea24977aba2d completed March 6, 2026, 5:19 a.m.
NED1 Entity disambiguation (via context triple) batch_69b4dadd801481909551f6ed73e02fc2 completed March 14, 2026, 3:49 a.m.
NEDg Description generation batch_69b4db4fb0bc8190a5ac2335488500c2 completed March 14, 2026, 3:51 a.m.
NED2 Entity disambiguation (via description) batch_69b4dbc0370881908a75c594a6d688bf completed March 14, 2026, 3:53 a.m.
Created at: March 4, 2026, 7:30 p.m.