Triple
T12801624
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | JR Tōkai |
E306031
|
entity |
| Predicate | developsProject |
P84254
|
FINISHED |
| Object |
Chūō Shinkansen
The Chūō Shinkansen is Japan’s next-generation maglev high-speed rail line planned to connect Tokyo and Nagoya (and eventually Osaka) at ultra-high speeds using superconducting magnetic levitation technology.
|
E1019981
|
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: Chūō Shinkansen | Statement: [JR Tōkai, developsProject, Chūō Shinkansen]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chūō Shinkansen Context triple: [JR Tōkai, developsProject, Chūō Shinkansen]
-
A.
Tokaido Shinkansen
The Tokaido Shinkansen is Japan’s pioneering high-speed rail line connecting Tokyo with Osaka and other major cities, renowned for its speed, punctuality, and heavy passenger usage.
-
B.
Sanyo Shinkansen
Sanyo Shinkansen is a high-speed railway line in Japan that connects Osaka with western Honshu cities such as Hiroshima and Fukuoka as part of the Shinkansen network.
-
C.
Yamagata Shinkansen
The Yamagata Shinkansen is a Japanese high-speed "mini-shinkansen" rail line connecting Tokyo with Yamagata Prefecture by upgrading conventional tracks for Shinkansen through-service.
-
D.
Jōetsu Shinkansen
The Jōetsu Shinkansen is a high-speed rail line in Japan that connects Tokyo with the Niigata region, providing rapid passenger service through central Honshu.
-
E.
Hokuriku Shinkansen
The Hokuriku Shinkansen is a high-speed rail line in Japan connecting Tokyo with cities along the Sea of Japan coast, including Nagano, Toyama, and Kanazawa.
- 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: Chūō Shinkansen Triple: [JR Tōkai, developsProject, Chūō Shinkansen]
Generated description
The Chūō Shinkansen is Japan’s next-generation maglev high-speed rail line planned to connect Tokyo and Nagoya (and eventually Osaka) at ultra-high speeds using superconducting magnetic levitation technology.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Chūō Shinkansen Target entity description: The Chūō Shinkansen is Japan’s next-generation maglev high-speed rail line planned to connect Tokyo and Nagoya (and eventually Osaka) at ultra-high speeds using superconducting magnetic levitation technology.
-
A.
Tokaido Shinkansen
The Tokaido Shinkansen is Japan’s pioneering high-speed rail line connecting Tokyo with Osaka and other major cities, renowned for its speed, punctuality, and heavy passenger usage.
-
B.
Sanyo Shinkansen
Sanyo Shinkansen is a high-speed railway line in Japan that connects Osaka with western Honshu cities such as Hiroshima and Fukuoka as part of the Shinkansen network.
-
C.
Yamagata Shinkansen
The Yamagata Shinkansen is a Japanese high-speed "mini-shinkansen" rail line connecting Tokyo with Yamagata Prefecture by upgrading conventional tracks for Shinkansen through-service.
-
D.
Jōetsu Shinkansen
The Jōetsu Shinkansen is a high-speed rail line in Japan that connects Tokyo with the Niigata region, providing rapid passenger service through central Honshu.
-
E.
Hokuriku Shinkansen
The Hokuriku Shinkansen is a high-speed rail line in Japan connecting Tokyo with cities along the Sea of Japan coast, including Nagano, Toyama, and Kanazawa.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: developsProject Context triple: [JR Tōkai, developsProject, Chūō Shinkansen]
-
A.
developmentProject
Indicates a relationship where an organized effort or initiative is undertaken to plan, create, improve, or expand something over a defined period.
-
B.
developsDuring
Indicates that one process, condition, or characteristic comes into existence or forms over the course of a specified time period, phase, or event.
-
C.
developmentPillar
Indicates that one entity serves as a fundamental pillar or core focus area supporting the development or growth of another entity.
-
D.
intendedProject
chosen
Indicates that an entity is the planned or targeted project associated with another entity (such as a person, organization, or activity).
-
E.
projectsOn
Indicates that one entity casts, directs, or extends itself onto the surface, area, or domain of another entity.
- 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_69d7bdf366888190a8cccb982606889c |
completed | April 9, 2026, 2:55 p.m. |
| NER | Named-entity recognition | batch_69d96e7d3f5c8190bf01bef5d263ca26 |
completed | April 10, 2026, 9:41 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6d5ed774881909d2df630820e5f21 |
completed | May 3, 2026, 4:58 a.m. |
| NEDg | Description generation | batch_69f6da9ed7bc8190b1a451ea2ada811d |
completed | May 3, 2026, 5:18 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69f6db6950b08190a868c9371ff0a34e |
completed | May 3, 2026, 5:21 a.m. |
| PD | Predicate disambiguation | batch_69d9640ed7448190b276e7fab649f7d2 |
completed | April 10, 2026, 8:56 p.m. |
Created at: April 9, 2026, 5:30 p.m.