Triple
T13037678
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sanyō Shinkansen |
E326605
|
entity |
| Predicate | openedSection |
P28341
|
FINISHED |
| Object |
Okayama–Hiroshima section
The Okayama–Hiroshima section is a major high-speed rail segment of Japan’s Sanyō Shinkansen line, linking the Chūgoku region’s key cities and facilitating rapid intercity travel in western Honshu.
|
E1020700
|
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: Okayama–Hiroshima section | Statement: [Sanyō Shinkansen, openedSection, Okayama–Hiroshima section]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Okayama–Hiroshima section Context triple: [Sanyō Shinkansen, openedSection, Okayama–Hiroshima section]
-
A.
Okayama–Hakata section
The Okayama–Hakata section is the western stretch of Japan’s Sanyō Shinkansen high-speed rail line, linking Okayama with Hakata (Fukuoka) across the Chūgoku region.
-
B.
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.
-
C.
Tokyo–Okayama
Tokyo–Okayama is a major Shinkansen corridor in Japan connecting the Tokyo metropolitan area with the Chūgoku region via high-speed rail.
-
D.
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.
-
E.
Akita–Aomori section
The Akita–Aomori section is the northern stretch of Japan’s Ōu Main Line that connects Akita Prefecture with Aomori Prefecture in the Tōhoku region.
- 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: Okayama–Hiroshima section Triple: [Sanyō Shinkansen, openedSection, Okayama–Hiroshima section]
Generated description
The Okayama–Hiroshima section is a major high-speed rail segment of Japan’s Sanyō Shinkansen line, linking the Chūgoku region’s key cities and facilitating rapid intercity travel in western Honshu.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Okayama–Hiroshima section Target entity description: The Okayama–Hiroshima section is a major high-speed rail segment of Japan’s Sanyō Shinkansen line, linking the Chūgoku region’s key cities and facilitating rapid intercity travel in western Honshu.
-
A.
Okayama–Hakata section
The Okayama–Hakata section is the western stretch of Japan’s Sanyō Shinkansen high-speed rail line, linking Okayama with Hakata (Fukuoka) across the Chūgoku region.
-
B.
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.
-
C.
Tokyo–Okayama
Tokyo–Okayama is a major Shinkansen corridor in Japan connecting the Tokyo metropolitan area with the Chūgoku region via high-speed rail.
-
D.
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.
-
E.
Akita–Aomori section
The Akita–Aomori section is the northern stretch of Japan’s Ōu Main Line that connects Akita Prefecture with Aomori Prefecture in the Tōhoku region.
- 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_69d8076cc45c81908123123f43e69266 |
completed | April 9, 2026, 8:09 p.m. |
| NER | Named-entity recognition | batch_69d9804b743c8190810dc5c14bc6d912 |
completed | April 10, 2026, 10:57 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6d5fbaea8819080ca249159d6c125 |
completed | May 3, 2026, 4:58 a.m. |
| NEDg | Description generation | batch_69f6d943a80c81909bc39b9a9ef303bd |
completed | May 3, 2026, 5:12 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69f6da1e56388190b536831b2c6d493f |
completed | May 3, 2026, 5:16 a.m. |
Created at: April 9, 2026, 8:55 p.m.