Triple

T11286482
Position Surface form Disambiguated ID Type / Status
Subject Toei Oedo Line E267201 entity
Predicate loopSection P79283 FINISHED
Object Hikarigaoka–Nerima–Shinjuku–Tocho-mae–Roppongi–Daimon–Ryogoku–Ueno-Okachimachi–Iidabashi–Nerima loop
The Hikarigaoka–Nerima–Shinjuku–Tocho-mae–Roppongi–Daimon–Ryogoku–Ueno-Okachimachi–Iidabashi–Nerima loop is the central circular section of Tokyo’s Toei Oedo Line that links major commercial, governmental, and entertainment districts in a continuous loop.
E915510 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: Hikarigaoka–Nerima–Shinjuku–Tocho-mae–Roppongi–Daimon–Ryogoku–Ueno-Okachimachi–Iidabashi–Nerima loop | Statement: [Toei Oedo Line, loopSection, Hikarigaoka–Nerima–Shinjuku–Tocho-mae–Roppongi–Daimon–Ryogoku–Ueno-Okachimachi–Iidabashi–Nerima loop]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Hikarigaoka–Nerima–Shinjuku–Tocho-mae–Roppongi–Daimon–Ryogoku–Ueno-Okachimachi–Iidabashi–Nerima loop
Context triple: [Toei Oedo Line, loopSection, Hikarigaoka–Nerima–Shinjuku–Tocho-mae–Roppongi–Daimon–Ryogoku–Ueno-Okachimachi–Iidabashi–Nerima loop]
  • A. Shibuya–Chuo-Rinkan corridor
    The Shibuya–Chuo-Rinkan corridor is a major commuter rail corridor in the Tokyo metropolitan area linking central Shibuya with the suburban Chuo-Rinkan district.
  • B. Meguro–Hiyoshi corridor
    The Meguro–Hiyoshi corridor is a key suburban rail corridor in the Tokyo–Yokohama area linking central Tokyo with the Hiyoshi district via multiple interconnected Tokyu railway lines.
  • C. 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.
  • D. Toei Asakusa Line
    The Toei Asakusa Line is a major Tokyo subway line operated by the Tokyo Metropolitan Bureau of Transportation, connecting central Tokyo with surrounding areas and offering through-services to several private railway lines.
  • E. 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.
  • 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: Hikarigaoka–Nerima–Shinjuku–Tocho-mae–Roppongi–Daimon–Ryogoku–Ueno-Okachimachi–Iidabashi–Nerima loop
Triple: [Toei Oedo Line, loopSection, Hikarigaoka–Nerima–Shinjuku–Tocho-mae–Roppongi–Daimon–Ryogoku–Ueno-Okachimachi–Iidabashi–Nerima loop]
Generated description
The Hikarigaoka–Nerima–Shinjuku–Tocho-mae–Roppongi–Daimon–Ryogoku–Ueno-Okachimachi–Iidabashi–Nerima loop is the central circular section of Tokyo’s Toei Oedo Line that links major commercial, governmental, and entertainment districts in a continuous loop.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Hikarigaoka–Nerima–Shinjuku–Tocho-mae–Roppongi–Daimon–Ryogoku–Ueno-Okachimachi–Iidabashi–Nerima loop
Target entity description: The Hikarigaoka–Nerima–Shinjuku–Tocho-mae–Roppongi–Daimon–Ryogoku–Ueno-Okachimachi–Iidabashi–Nerima loop is the central circular section of Tokyo’s Toei Oedo Line that links major commercial, governmental, and entertainment districts in a continuous loop.
  • A. Shibuya–Chuo-Rinkan corridor
    The Shibuya–Chuo-Rinkan corridor is a major commuter rail corridor in the Tokyo metropolitan area linking central Shibuya with the suburban Chuo-Rinkan district.
  • B. Meguro–Hiyoshi corridor
    The Meguro–Hiyoshi corridor is a key suburban rail corridor in the Tokyo–Yokohama area linking central Tokyo with the Hiyoshi district via multiple interconnected Tokyu railway lines.
  • C. 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.
  • D. Toei Asakusa Line
    The Toei Asakusa Line is a major Tokyo subway line operated by the Tokyo Metropolitan Bureau of Transportation, connecting central Tokyo with surrounding areas and offering through-services to several private railway lines.
  • E. 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.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: loopSection
Context triple: [Toei Oedo Line, loopSection, Hikarigaoka–Nerima–Shinjuku–Tocho-mae–Roppongi–Daimon–Ryogoku–Ueno-Okachimachi–Iidabashi–Nerima loop]
  • A. loopLocation
    Indicates the specific place or context in which a loop occurs or is situated.
  • B. loopsFrom
    Indicates that a path, process, or connection starts at a given point and returns back to that same point, forming a loop.
  • C. loopType
    Indicates the specific kind or category of loop structure or iteration pattern used in a process or control flow.
  • D. loopLine chosen
    Indicates that a line or path forms a closed loop, returning to its starting point without interruption.
  • E. formsLoopWith
    Indicates that two or more entities are connected in such a way that they form a closed cycle or loop with one another.
  • 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.