Triple
T12801815
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chuo Shinkansen (maglev) planning and construction |
E306035
|
entity |
| Predicate | testLineUsedForDevelopment |
P76380
|
FINISHED |
| Object | Yamanashi Maglev Test Line |
E306035
|
NE FINISHED |
How this triple was built (3 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: Yamanashi Maglev Test Line | Statement: [Chuo Shinkansen (maglev) planning and construction, testLineUsedForDevelopment, Yamanashi Maglev Test Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Yamanashi Maglev Test Line Context triple: [Chuo Shinkansen (maglev) planning and construction, testLineUsedForDevelopment, Yamanashi Maglev Test Line]
-
A.
Tokyo–Nagoya maglev line
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.
Chuo Shinkansen (maglev) planning and construction
chosen
Chuo Shinkansen (maglev) planning and construction is Japan’s next-generation high-speed magnetic levitation rail project intended to link Tokyo, Nagoya, and Osaka with ultra-fast, low-vibration train service largely via deep underground tunnels.
-
C.
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.
-
D.
Chiba Urban Monorail
Chiba Urban Monorail is a suspended monorail system in Chiba, Japan, known as one of the world’s longest urban monorail networks and a key component of the city’s public transit.
-
E.
Hokkaido Shinkansen
Hokkaido Shinkansen is a high-speed railway line in Japan that connects the island of Hokkaido with the main Honshu island via the undersea Seikan Tunnel.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: testLineUsedForDevelopment Context triple: [Chuo Shinkansen (maglev) planning and construction, testLineUsedForDevelopment, Yamanashi Maglev Test Line]
-
A.
usesLineCode
Indicates that one entity employs or references a specific line code as part of its operation, identification, or communication.
-
B.
lineUse
chosen
Indicates how a particular line (such as a route, track, or service line) is utilized or purposed within a system or network.
-
C.
hasDeFactoLine
Indicates that there exists an unofficial or non-legally recognized boundary or demarcation line functioning in practice between the related entities.
-
D.
alsoUsedOnLine
Indicates that something used in one context, medium, or location is additionally used on a specific line (such as a route, circuit, or sequence).
-
E.
lineUses
Indicates that a particular line (such as a route, service, or connection) makes use of or is implemented using a specified resource, infrastructure, or element.
- F. None of above.
Provenance (4 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_69f69b9418b08190a61ee4ec4283767c |
completed | May 3, 2026, 12:49 a.m. |
| PD | Predicate disambiguation | batch_69d9640ed7448190b276e7fab649f7d2 |
completed | April 10, 2026, 8:56 p.m. |
Created at: April 9, 2026, 5:30 p.m.