Triple

T17833314
Position Surface form Disambiguated ID Type / Status
Subject Tamagawa district E445316 entity
Predicate hasTransportConnection P845 FINISHED
Object Tokyu Oimachi Line (nearby stations)
The Tokyu Oimachi Line is a major private railway line in Tokyo that connects central city areas with southwestern suburbs, serving numerous residential and commercial districts along its route.
 E1291047 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: Tokyu Oimachi Line (nearby stations) | Statement: [Tamagawa district, hasTransportConnection, Tokyu Oimachi Line (nearby stations)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Tokyu Oimachi Line (nearby stations)
Context triple: [Tamagawa district, hasTransportConnection, Tokyu Oimachi Line (nearby stations)]
  • A. Tokyu Den-en-toshi Line (nearby stations)
    The Tokyu Den-en-toshi Line is a major commuter railway line in the Tokyo metropolitan area that connects central Tokyo with suburban residential districts in Kanagawa Prefecture.
  • B. Keihan Main Line (nearby stations)
    The Keihan Main Line (nearby stations) refers to the group of Keihan Electric Railway stations that provide convenient rail access to Kyoto’s Yoshida area, connecting it with central Kyoto and Osaka.
  • C. Keihan Main Line (near Kitahama)
    The Keihan Main Line near Kitahama is a major commuter railway corridor in central Osaka that connects the city with Kyoto and serves key business and commercial districts.
  • D. Osaka Metro Sennichimae Line stations
    Osaka Metro Sennichimae Line stations are the railway stops served by the Sennichimae Line, an Osaka subway line running east–west through the city.
  • E. Toei Mita Line at Jimbocho Station
    The Toei Mita Line at Jimbocho Station is a Tokyo subway line stop in Chiyoda Ward that serves as a key transfer point between the Mita and Shinjuku lines in a major educational and publishing district.
  • 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: Tokyu Oimachi Line (nearby stations)
Triple: [Tamagawa district, hasTransportConnection, Tokyu Oimachi Line (nearby stations)]
Generated description
The Tokyu Oimachi Line is a major private railway line in Tokyo that connects central city areas with southwestern suburbs, serving numerous residential and commercial districts along its route.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Tokyu Oimachi Line (nearby stations)
Target entity description: The Tokyu Oimachi Line is a major private railway line in Tokyo that connects central city areas with southwestern suburbs, serving numerous residential and commercial districts along its route.
  • A. Tokyu Den-en-toshi Line (nearby stations)
    The Tokyu Den-en-toshi Line is a major commuter railway line in the Tokyo metropolitan area that connects central Tokyo with suburban residential districts in Kanagawa Prefecture.
  • B. Keihan Main Line (nearby stations)
    The Keihan Main Line (nearby stations) refers to the group of Keihan Electric Railway stations that provide convenient rail access to Kyoto’s Yoshida area, connecting it with central Kyoto and Osaka.
  • C. Keihan Main Line (near Kitahama)
    The Keihan Main Line near Kitahama is a major commuter railway corridor in central Osaka that connects the city with Kyoto and serves key business and commercial districts.
  • D. Osaka Metro Sennichimae Line stations
    Osaka Metro Sennichimae Line stations are the railway stops served by the Sennichimae Line, an Osaka subway line running east–west through the city.
  • E. Toei Mita Line at Jimbocho Station
    The Toei Mita Line at Jimbocho Station is a Tokyo subway line stop in Chiyoda Ward that serves as a key transfer point between the Mita and Shinjuku lines in a major educational and publishing district.
  • 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_69d8b9f1a6d881909f024bc603111cdb completed April 10, 2026, 8:50 a.m.
NER Named-entity recognition batch_69e48d2635a081909d4d48d22e260f8e completed April 19, 2026, 8:07 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0306f83e748190b9d111b12ee8e0b8 completed May 12, 2026, 10:54 a.m.
NEDg Description generation batch_6a0308403f7c81908570458c944eae34 completed May 12, 2026, 11 a.m.
NED2 Entity disambiguation (via description) batch_6a0308d5d69481908402f366e561b8c0 completed May 12, 2026, 11:02 a.m.
Created at: April 10, 2026, 10:15 a.m.