Triple

T11286483
Position Surface form Disambiguated ID Type / Status
Subject Toei Oedo Line E267201 entity
Predicate radialSection P72721 FINISHED
Object Tocho-mae–Shinjuku–Hikarigaoka branch
The Tocho-mae–Shinjuku–Hikarigaoka branch is a major segment of Tokyo’s Toei Oedo Line that links central Shinjuku with the residential district of Hikarigaoka in Nerima.
E267201 NE FINISHED

How this triple was built (5 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: Tocho-mae–Shinjuku–Hikarigaoka branch | Statement: [Toei Oedo Line, radialSection, Tocho-mae–Shinjuku–Hikarigaoka branch]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Tocho-mae–Shinjuku–Hikarigaoka branch
Context triple: [Toei Oedo Line, radialSection, Tocho-mae–Shinjuku–Hikarigaoka branch]
  • A. Ikebukuro–Ochanomizu section
    The Ikebukuro–Ochanomizu section is an early central Tokyo subway corridor linking the Ikebukuro area with the Ochanomizu district as part of the Tokyo Metro Marunouchi Line.
  • B. 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.
  • C. Hanzomon Line
    The Hanzomon Line is a major Tokyo Metro subway line in Tokyo, Japan, running east–west through central districts and providing key commuter connections across the city.
  • D. 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.
  • E. Tōkyū Ikegami Line
    The Tōkyū Ikegami Line is a commuter railway line in Tokyo operated by Tokyu Corporation, connecting residential areas in Ōta Ward with central districts such as Shinagawa.
  • 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: Tocho-mae–Shinjuku–Hikarigaoka branch
Triple: [Toei Oedo Line, radialSection, Tocho-mae–Shinjuku–Hikarigaoka branch]
Generated description
The Tocho-mae–Shinjuku–Hikarigaoka branch is a major segment of Tokyo’s Toei Oedo Line that links central Shinjuku with the residential district of Hikarigaoka in Nerima.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Tocho-mae–Shinjuku–Hikarigaoka branch
Target entity description: The Tocho-mae–Shinjuku–Hikarigaoka branch is a major segment of Tokyo’s Toei Oedo Line that links central Shinjuku with the residential district of Hikarigaoka in Nerima.
  • A. Ikebukuro–Ochanomizu section
    The Ikebukuro–Ochanomizu section is an early central Tokyo subway corridor linking the Ikebukuro area with the Ochanomizu district as part of the Tokyo Metro Marunouchi Line.
  • B. 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.
  • C. Hanzomon Line
    The Hanzomon Line is a major Tokyo Metro subway line in Tokyo, Japan, running east–west through central districts and providing key commuter connections across the city.
  • D. Toei Oedo Line chosen
    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.
  • E. Tōkyū Ikegami Line
    The Tōkyū Ikegami Line is a commuter railway line in Tokyo operated by Tokyu Corporation, connecting residential areas in Ōta Ward with central districts such as Shinagawa.
  • F. None of above.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: radialSection
Context triple: [Toei Oedo Line, radialSection, Tocho-mae–Shinjuku–Hikarigaoka branch]
  • A. radialExtent
    Indicates the radial distance or range over which something extends outward from a central point or axis.
  • B. isRadialRouteOf chosen
    Indicates that one route functions as a radial connection extending outward from a central point, hub, or main route.
  • C. typicalSection
    Indicates that one section is a standard, representative, or commonly occurring instance within a broader set or structure of sections.
  • D. ringRadius
    Indicates the size of a ring by specifying the distance from its center to its outer edge.
  • E. curveRadius
    Indicates the radius of curvature associated with an object or path, describing how sharply it bends at a given point.
  • F. None of above.

Provenance (6 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_69e4f48070ac8190b0e4d49f42ac3896 completed April 19, 2026, 3:28 p.m.
NEDg Description generation batch_69e4f95cbc7c819082e3d7c3c3266708 completed April 19, 2026, 3:48 p.m.
NED2 Entity disambiguation (via description) batch_69e4ff6b7d248190b4dd885280e09a8e completed April 19, 2026, 4:14 p.m.
PD Predicate disambiguation batch_69d787a240588190aa097298f951c915 completed April 9, 2026, 11:04 a.m.
Created at: April 8, 2026, 9:32 p.m.