Triple

T11696179
Position Surface form Disambiguated ID Type / Status
Subject Shinetsu Main Line E277999 entity
Predicate historicalSection P101307 FINISHED
Object Takasaki–Nagaoka corridor
The Takasaki–Nagaoka corridor is a historically significant railway section in Japan that once formed a key part of the Shinetsu Main Line, linking the inland Kanto region with Niigata Prefecture.
E1094479 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: Takasaki–Nagaoka corridor | Statement: [Shinetsu Main Line, historicalSection, Takasaki–Nagaoka corridor]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Takasaki–Nagaoka corridor
Context triple: [Shinetsu Main Line, historicalSection, Takasaki–Nagaoka corridor]
  • A. Sendai-Tobu Road
    Sendai-Tobu Road is a regional expressway in Miyagi Prefecture, Japan, serving as part of the road network around the city of Sendai.
  • B. Kawagoe Line
    The Kawagoe Line is a railway line in the Greater Tokyo area of Japan operated by JR East, connecting Kawagoe with surrounding suburban cities and linking to major urban lines.
  • C. Den-en-toshi Line
    The Den-en-toshi Line is a major commuter railway line in the Greater Tokyo area that connects central Tokyo with suburban residential districts.
  • D. Biwa-ko Line
    The Biwa-ko Line is a major railway corridor in Japan operated by JR West that runs along the southern shore of Lake Biwa, connecting Kyoto and Shiga Prefecture with the broader Tōkaidō Main Line network.
  • E. Toden Arakawa Line
    The Toden Arakawa Line is one of Tokyo’s last remaining streetcar lines, running through northern and eastern parts of the city and serving as a nostalgic, tram-style alternative to subways and buses.
  • 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: Takasaki–Nagaoka corridor
Triple: [Shinetsu Main Line, historicalSection, Takasaki–Nagaoka corridor]
Generated description
The Takasaki–Nagaoka corridor is a historically significant railway section in Japan that once formed a key part of the Shinetsu Main Line, linking the inland Kanto region with Niigata Prefecture.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Takasaki–Nagaoka corridor
Target entity description: The Takasaki–Nagaoka corridor is a historically significant railway section in Japan that once formed a key part of the Shinetsu Main Line, linking the inland Kanto region with Niigata Prefecture.
  • A. Sendai-Tobu Road
    Sendai-Tobu Road is a regional expressway in Miyagi Prefecture, Japan, serving as part of the road network around the city of Sendai.
  • B. Kawagoe Line
    The Kawagoe Line is a railway line in the Greater Tokyo area of Japan operated by JR East, connecting Kawagoe with surrounding suburban cities and linking to major urban lines.
  • C. Den-en-toshi Line
    The Den-en-toshi Line is a major commuter railway line in the Greater Tokyo area that connects central Tokyo with suburban residential districts.
  • D. Biwa-ko Line
    The Biwa-ko Line is a major railway corridor in Japan operated by JR West that runs along the southern shore of Lake Biwa, connecting Kyoto and Shiga Prefecture with the broader Tōkaidō Main Line network.
  • E. Toden Arakawa Line
    The Toden Arakawa Line is one of Tokyo’s last remaining streetcar lines, running through northern and eastern parts of the city and serving as a nostalgic, tram-style alternative to subways and buses.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: historicalSection
Context triple: [Shinetsu Main Line, historicalSection, Takasaki–Nagaoka corridor]
  • A. hasHistoricalSection
    Indicates that something includes a dedicated part or segment that presents historical information or context.
  • B. historicalCategory
    Indicates that an entity is classified within a particular historical grouping, period, or type based on its time-related characteristics or context.
  • C. historicalBackground
    Indicates that one entity provides contextual historical information or circumstances that help explain the origin, development, or significance of another entity.
  • D. historicalReference
    Indicates that one entity refers to, cites, or alludes to another entity from an earlier time or historical context.
  • E. historicalFocus
    Indicates that something is primarily concerned with, centered on, or devoted to a particular historical period, event, or theme.
  • F. None of above. chosen

Provenance (7 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_69d6aafe02d881909900d54ad7d4af84 completed April 8, 2026, 7:22 p.m.
NER Named-entity recognition batch_69d8a47cef60819088b7cc3a3a711e4c completed April 10, 2026, 7:19 a.m.
NED1 Entity disambiguation (via context triple) batch_69fd4c1d31048190ab0a8d8e00515211 completed May 8, 2026, 2:36 a.m.
NEDg Description generation batch_69fd4cab717c819080d817d9851fe7c6 completed May 8, 2026, 2:38 a.m.
NED2 Entity disambiguation (via description) batch_69fd4d5b489081908016e62d4db476ce completed May 8, 2026, 2:41 a.m.
PD Predicate disambiguation batch_69d88a7b30948190b616a9db5c5488d5 completed April 10, 2026, 5:28 a.m.
PDg Predicate description generation batch_69d89546a8688190b51455b5e12caf91 completed April 10, 2026, 6:14 a.m.
Created at: April 8, 2026, 9:40 p.m.