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.