Triple
T12801772
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | JR Central conventional lines |
E306034
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | Japanese national railway network |
E925220
|
NE FINISHED |
How this triple was built (2 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: Japanese national railway network | Statement: [JR Central conventional lines, partOf, Japanese national railway network]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Japanese national railway network Context triple: [JR Central conventional lines, partOf, Japanese national railway network]
-
A.
national railway network of Japan
chosen
The national railway network of Japan is an extensive, high-density system of rail lines that forms the backbone of the country’s passenger and freight transportation, renowned for its efficiency, punctuality, and advanced train services.
-
B.
Shinkansen high-speed rail network
The Shinkansen high-speed rail network is Japan’s renowned bullet train system, known for its fast, frequent, and punctual intercity rail services connecting major cities across the country.
-
C.
Tokyu railway network
The Tokyu railway network is a major private rail system in the Greater Tokyo area, operated by Tokyu Corporation and serving key suburban and urban corridors including central hubs like Shibuya.
-
D.
Keio railway network
The Keio railway network is a private railway system in the Tokyo metropolitan area operated by Keio Corporation, linking central Tokyo with its western suburbs through multiple commuter lines.
-
E.
Urban Network (JR West)
Urban Network (JR West) is the branding for JR West’s dense commuter and regional rail system serving the greater Kansai metropolitan area and surrounding regions in western Japan.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69f6851143588190b0980e760e030b0b |
completed | May 2, 2026, 11:13 p.m. |
Created at: April 9, 2026, 5:30 p.m.