Triple
T12801796
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chuo Shinkansen (maglev) planning and construction |
E306035
|
entity |
| Predicate | plannedSection |
P29774
|
FINISHED |
| Object |
Nagoya–Osaka section
The Nagoya–Osaka section is the planned western extension of Japan’s Chuo Shinkansen maglev line, intended to connect Nagoya with Osaka as part of a high-speed intercity corridor.
|
E1008270
|
NE FINISHED |
How this triple was built (4 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: Nagoya–Osaka section | Statement: [Chuo Shinkansen (maglev) planning and construction, plannedSection, Nagoya–Osaka section]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nagoya–Osaka section Context triple: [Chuo Shinkansen (maglev) planning and construction, plannedSection, Nagoya–Osaka section]
-
A.
Osaka–Kyoto corridor
The Osaka–Kyoto corridor is a heavily urbanized and industrialized region in Japan that forms a major transportation and economic link between the cities of Osaka and Kyoto.
-
B.
Tokyo–Shin-Osaka
Tokyo–Shin-Osaka is the core section of Japan’s Tōkaidō Shinkansen high-speed rail line, linking the capital Tokyo with the major Kansai hub of Osaka.
-
C.
Shin-Osaka–Okayama section
The Shin-Osaka–Okayama section is the western portion of Japan’s high-speed Sanyō Shinkansen line that connects Osaka with Okayama and serves as a key corridor toward Hiroshima and Kyushu.
-
D.
Tokyo–Okayama
Tokyo–Okayama is a major Shinkansen corridor in Japan connecting the Tokyo metropolitan area with the Chūgoku region via high-speed rail.
-
E.
Kameyama – Nagoya section
The Kameyama–Nagoya section is a key eastern segment of Japan’s Kansai Main Line, linking Kameyama in Mie Prefecture with the major transport hub of Nagoya in Aichi Prefecture.
- 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: Nagoya–Osaka section Triple: [Chuo Shinkansen (maglev) planning and construction, plannedSection, Nagoya–Osaka section]
Generated description
The Nagoya–Osaka section is the planned western extension of Japan’s Chuo Shinkansen maglev line, intended to connect Nagoya with Osaka as part of a high-speed intercity corridor.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Nagoya–Osaka section Target entity description: The Nagoya–Osaka section is the planned western extension of Japan’s Chuo Shinkansen maglev line, intended to connect Nagoya with Osaka as part of a high-speed intercity corridor.
-
A.
Osaka–Kyoto corridor
The Osaka–Kyoto corridor is a heavily urbanized and industrialized region in Japan that forms a major transportation and economic link between the cities of Osaka and Kyoto.
-
B.
Tokyo–Shin-Osaka
Tokyo–Shin-Osaka is the core section of Japan’s Tōkaidō Shinkansen high-speed rail line, linking the capital Tokyo with the major Kansai hub of Osaka.
-
C.
Shin-Osaka–Okayama section
The Shin-Osaka–Okayama section is the western portion of Japan’s high-speed Sanyō Shinkansen line that connects Osaka with Okayama and serves as a key corridor toward Hiroshima and Kyushu.
-
D.
Tokyo–Okayama
Tokyo–Okayama is a major Shinkansen corridor in Japan connecting the Tokyo metropolitan area with the Chūgoku region via high-speed rail.
-
E.
Kameyama – Nagoya section
The Kameyama–Nagoya section is a key eastern segment of Japan’s Kansai Main Line, linking Kameyama in Mie Prefecture with the major transport hub of Nagoya in Aichi Prefecture.
- F. None of above. chosen
Provenance (5 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_69d96facb2d48190bc12efc00c9da360 |
completed | April 10, 2026, 9:46 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6a544badc8190877c39728e57af6f |
completed | May 3, 2026, 1:30 a.m. |
| NEDg | Description generation | batch_69f6a69b218c8190b7a1783f4608c484 |
completed | May 3, 2026, 1:36 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69f6a7a3c9948190bc6cee51ee66103d |
completed | May 3, 2026, 1:40 a.m. |
Created at: April 9, 2026, 5:30 p.m.