Triple
T17824805
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tōhoku Main Line |
E445085
|
entity |
| Predicate | hasSection |
P35
|
FINISHED |
| Object |
Morioka–Aomori section
The Morioka–Aomori section is the northernmost stretch of Japan’s Tōhoku Main Line, connecting the city of Morioka in Iwate Prefecture with Aomori in Aomori Prefecture.
|
E445085
|
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: Morioka–Aomori section | Statement: [Tōhoku Main Line, hasSection, Morioka–Aomori section]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Morioka–Aomori section Context triple: [Tōhoku Main Line, hasSection, Morioka–Aomori section]
-
A.
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.
-
B.
Yamagata–Shinjō section
The Yamagata–Shinjō section is a segment of Japan’s Ōu Main Line railway connecting the city of Yamagata with Shinjō in Yamagata Prefecture.
-
C.
Keihin-Tōhoku Line
The Keihin-Tōhoku Line is a major JR East commuter rail line in the Greater Tokyo area that runs north–south through Tokyo, connecting Saitama and Kanagawa prefectures.
-
D.
Tōhoku Main Line
The Tōhoku Main Line is a major Japanese railway corridor running through the Tōhoku region, historically serving as the primary conventional rail route between Tokyo and northern Honshu.
-
E.
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.
- 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: Morioka–Aomori section Triple: [Tōhoku Main Line, hasSection, Morioka–Aomori section]
Generated description
The Morioka–Aomori section is the northernmost stretch of Japan’s Tōhoku Main Line, connecting the city of Morioka in Iwate Prefecture with Aomori in Aomori Prefecture.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Morioka–Aomori section Target entity description: The Morioka–Aomori section is the northernmost stretch of Japan’s Tōhoku Main Line, connecting the city of Morioka in Iwate Prefecture with Aomori in Aomori Prefecture.
-
A.
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.
-
B.
Yamagata–Shinjō section
The Yamagata–Shinjō section is a segment of Japan’s Ōu Main Line railway connecting the city of Yamagata with Shinjō in Yamagata Prefecture.
-
C.
Keihin-Tōhoku Line
The Keihin-Tōhoku Line is a major JR East commuter rail line in the Greater Tokyo area that runs north–south through Tokyo, connecting Saitama and Kanagawa prefectures.
-
D.
Tōhoku Main Line
chosen
The Tōhoku Main Line is a major Japanese railway corridor running through the Tōhoku region, historically serving as the primary conventional rail route between Tokyo and northern Honshu.
-
E.
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.
- F. None of above.
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_69d8b9f0de78819099395b14db75a8a6 |
completed | April 10, 2026, 8:50 a.m. |
| NER | Named-entity recognition | batch_69e4891352ac8190ad3d669fea1c9fbb |
completed | April 19, 2026, 7:49 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0313b707048190847024da11394ed3 |
completed | May 12, 2026, 11:49 a.m. |
| NEDg | Description generation | batch_6a03178c8b6481909a9c25e82609cba2 |
completed | May 12, 2026, 12:05 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0317d7493081909022cfd6ffeb4fd4 |
completed | May 12, 2026, 12:06 p.m. |
Created at: April 10, 2026, 10:15 a.m.