Triple
T12801627
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | JR Tōkai |
E306031
|
entity |
| Predicate | maglevLineUnderDevelopment |
P106460
|
FINISHED |
| Object | Tokyo–Osaka maglev line |
E1002373
|
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: Tokyo–Osaka maglev line | Statement: [JR Tōkai, maglevLineUnderDevelopment, Tokyo–Osaka maglev line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tokyo–Osaka maglev line Context triple: [JR Tōkai, maglevLineUnderDevelopment, Tokyo–Osaka maglev line]
-
A.
Tokyo–Nagoya maglev line
chosen
The Tokyo–Nagoya maglev line is a planned high-speed magnetic levitation railway in Japan that will form the first segment of the Chūō Shinkansen, dramatically cutting travel time between Tokyo and Nagoya.
-
B.
Minatomirai Line
The Minatomirai Line is a private railway line in Yokohama, Japan, connecting central Yokohama with the Minato Mirai 21 waterfront district and offering through services with multiple Tokyo subway and suburban lines.
-
C.
Sanyō Shinkansen line
The Sanyō Shinkansen line is a major high-speed railway corridor in Japan that connects Osaka with Fukuoka, forming the western portion of the country’s bullet train network.
-
D.
Jōetsu Shinkansen
The Jōetsu Shinkansen is a high-speed rail line in Japan that connects Tokyo with the Niigata region, providing rapid passenger service through central Honshu.
-
E.
Mita Line
The Mita Line is a major Tokyo subway line operated by the Tokyo Metropolitan Bureau of Transportation, running north–south through central Tokyo and connecting key residential and business districts.
- 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_69d96facb2d48190bc12efc00c9da360 |
completed | April 10, 2026, 9:46 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f68ec0d5dc819099a8036c6cbac634 |
completed | May 2, 2026, 11:54 p.m. |
Created at: April 9, 2026, 5:30 p.m.