Triple
T9916938
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tōhoku Shinkansen |
E185892
|
entity |
| Predicate | initialSectionOpened |
P20181
|
FINISHED |
| Object |
Omiya–Morioka
Omiya–Morioka is the original northern segment of Japan’s Tōhoku Shinkansen high-speed rail line, connecting the Greater Tokyo area with the Tōhoku region.
|
E832643
|
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: Omiya–Morioka | Statement: [Tōhoku Shinkansen, initialSectionOpened, Omiya–Morioka]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Omiya–Morioka Context triple: [Tōhoku Shinkansen, initialSectionOpened, Omiya–Morioka]
-
A.
Omiya
Omiya is a major commercial and transportation hub in Saitama Prefecture, Japan, known for its busy railway station and urban center.
-
B.
Morioka
Morioka is the capital city of Iwate Prefecture in Japan’s Tōhoku region, known for its historic castle site, surrounding mountains, and distinctive local noodle dishes.
-
C.
Utsunomiya
Utsunomiya is a city in Tochigi Prefecture, Japan, known as a regional commercial center and for its specialty gyoza (dumplings).
-
D.
Kitakami, Iwate
Kitakami, Iwate is a city in Iwate Prefecture, Japan, known for its scenic Kitakami River, springtime cherry blossoms, and historical cultural sites.
-
E.
Ichinoseki, Iwate
Ichinoseki, Iwate is a city in southern Iwate Prefecture, Japan, known as a regional hub with historical sites and access to scenic areas such as the Geibi Gorge.
- 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: Omiya–Morioka Triple: [Tōhoku Shinkansen, initialSectionOpened, Omiya–Morioka]
Generated description
Omiya–Morioka is the original northern segment of Japan’s Tōhoku Shinkansen high-speed rail line, connecting the Greater Tokyo area with the Tōhoku region.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Omiya–Morioka Target entity description: Omiya–Morioka is the original northern segment of Japan’s Tōhoku Shinkansen high-speed rail line, connecting the Greater Tokyo area with the Tōhoku region.
-
A.
Omiya
Omiya is a major commercial and transportation hub in Saitama Prefecture, Japan, known for its busy railway station and urban center.
-
B.
Morioka
Morioka is the capital city of Iwate Prefecture in Japan’s Tōhoku region, known for its historic castle site, surrounding mountains, and distinctive local noodle dishes.
-
C.
Utsunomiya
Utsunomiya is a city in Tochigi Prefecture, Japan, known as a regional commercial center and for its specialty gyoza (dumplings).
-
D.
Kitakami, Iwate
Kitakami, Iwate is a city in Iwate Prefecture, Japan, known for its scenic Kitakami River, springtime cherry blossoms, and historical cultural sites.
-
E.
Ichinoseki, Iwate
Ichinoseki, Iwate is a city in southern Iwate Prefecture, Japan, known as a regional hub with historical sites and access to scenic areas such as the Geibi Gorge.
- 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_69ca829b45f481909040f7b99a1976ed |
completed | March 30, 2026, 2:03 p.m. |
| NER | Named-entity recognition | batch_69cdb540195881908f25f7dde5c66a75 |
completed | April 2, 2026, 12:16 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d23d2e676c81909e4eed258ecdf053 |
completed | April 5, 2026, 10:45 a.m. |
| NEDg | Description generation | batch_69d24135c0b88190ad018858b99e0bde |
completed | April 5, 2026, 11:02 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69d241ca07b481908a2852ed15ed5cf2 |
completed | April 5, 2026, 11:04 a.m. |
Created at: March 30, 2026, 8:42 p.m.