Triple

T11406062
Position Surface form Disambiguated ID Type / Status
Subject JR Hokkaido E270240 entity
Predicate HokkaidoShinkansenSection P39390 FINISHED
Object Shin-Aomori–Shin-Hakodate-Hokuto
Shin-Aomori–Shin-Hakodate-Hokuto is the northernmost segment of Japan’s Shinkansen high-speed rail network, linking Honshu and Hokkaido via the undersea Seikan Tunnel.
E923925 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: Shin-Aomori–Shin-Hakodate-Hokuto | Statement: [JR Hokkaido, HokkaidoShinkansenSection, Shin-Aomori–Shin-Hakodate-Hokuto]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Shin-Aomori–Shin-Hakodate-Hokuto
Context triple: [JR Hokkaido, HokkaidoShinkansenSection, Shin-Aomori–Shin-Hakodate-Hokuto]
  • A. Hakodate Main Line
    The Hakodate Main Line is a major railway corridor in Hokkaido, Japan, connecting key cities including Hakodate and Sapporo and serving as one of the region’s primary transport routes.
  • B. Furano Line
    The Furano Line is a railway line in Hokkaido, Japan, known for connecting rural towns and offering scenic views of the region’s famous flower fields and countryside.
  • C. Hokkaido Main Line
    The Hokkaido Main Line is a major railway corridor in Hokkaido, Japan, connecting key cities and serving as one of the region’s primary transportation routes.
  • D. Tenryū Hamanako Line
    The Tenryū Hamanako Line is a regional railway in Shizuoka Prefecture, Japan, running along the Tenryū River and Lake Hamana and connecting inland communities with coastal areas.
  • E. Nemuro Main Line
    The Nemuro Main Line is a major railway line in Hokkaido, Japan, operated by JR Hokkaido and connecting inland cities such as Obihiro with eastern Hokkaido.
  • 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: Shin-Aomori–Shin-Hakodate-Hokuto
Triple: [JR Hokkaido, HokkaidoShinkansenSection, Shin-Aomori–Shin-Hakodate-Hokuto]
Generated description
Shin-Aomori–Shin-Hakodate-Hokuto is the northernmost segment of Japan’s Shinkansen high-speed rail network, linking Honshu and Hokkaido via the undersea Seikan Tunnel.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Shin-Aomori–Shin-Hakodate-Hokuto
Target entity description: Shin-Aomori–Shin-Hakodate-Hokuto is the northernmost segment of Japan’s Shinkansen high-speed rail network, linking Honshu and Hokkaido via the undersea Seikan Tunnel.
  • A. Hakodate Main Line
    The Hakodate Main Line is a major railway corridor in Hokkaido, Japan, connecting key cities including Hakodate and Sapporo and serving as one of the region’s primary transport routes.
  • B. Furano Line
    The Furano Line is a railway line in Hokkaido, Japan, known for connecting rural towns and offering scenic views of the region’s famous flower fields and countryside.
  • C. Hokkaido Main Line
    The Hokkaido Main Line is a major railway corridor in Hokkaido, Japan, connecting key cities and serving as one of the region’s primary transportation routes.
  • D. Tenryū Hamanako Line
    The Tenryū Hamanako Line is a regional railway in Shizuoka Prefecture, Japan, running along the Tenryū River and Lake Hamana and connecting inland communities with coastal areas.
  • E. Nemuro Main Line
    The Nemuro Main Line is a major railway line in Hokkaido, Japan, operated by JR Hokkaido and connecting inland cities such as Obihiro with eastern Hokkaido.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: HokkaidoShinkansenSection
Context triple: [JR Hokkaido, HokkaidoShinkansenSection, Shin-Aomori–Shin-Hakodate-Hokuto]
  • A. SeikanTunnelConnects
    Indicates that the Seikan Tunnel serves as a physical connection between two geographic locations or regions.
  • B. SeikanTunnelType
    Indicates that one entity is classified as a specific type or category of Seikan Tunnel.
  • C. hasShinkansenStop chosen
    Indicates that a location is served by and includes a stop for a Shinkansen (high-speed rail) line.
  • D. miniShinkansenPrecededBy
    Indicates that one mini Shinkansen service, line, or project occurs or is implemented after and in sequence to another specified mini Shinkansen service, line, or project.
  • E. distanceToSapporo
    Indicates the measured or calculated distance between a given entity and the location of Sapporo.
  • 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_69d6aaddeaa8819088b30ef7b50598c9 completed April 8, 2026, 7:22 p.m.
NER Named-entity recognition batch_69d8014c820c81908538ba4a08e13230 completed April 9, 2026, 7:43 p.m.
NED1 Entity disambiguation (via context triple) batch_69e58d56608481908dbb19daa2abfc0a completed April 20, 2026, 2:20 a.m.
NEDg Description generation batch_69e59777b1208190a33a50da286535ee completed April 20, 2026, 3:03 a.m.
NED2 Entity disambiguation (via description) batch_69e5a3cf9d388190944340af484b3a54 completed April 20, 2026, 3:55 a.m.
PD Predicate disambiguation batch_69d7e70ffd708190b62a78ebcbce9f78 completed April 9, 2026, 5:51 p.m.
Created at: April 8, 2026, 9:34 p.m.