Triple
T12853204
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Kodama |
E307376
|
entity |
| Predicate | rollingStockUsed |
P5426
|
FINISHED |
| Object | Shinkansen electric multiple units |
E676341
|
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: Shinkansen electric multiple units | Statement: [Kodama, rollingStockUsed, Shinkansen electric multiple units]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Shinkansen electric multiple units Context triple: [Kodama, rollingStockUsed, Shinkansen electric multiple units]
-
A.
Keisei AE series EMU
The Keisei AE series EMU is a high-speed electric multiple unit train operated by Keisei Electric Railway in Japan, primarily used for the premium airport express service between central Tokyo and Narita Airport.
-
B.
Odakyu 1000 series EMU
The Odakyu 1000 series EMU is a Japanese electric multiple unit train type operated by Odakyu Electric Railway for commuter services in the Tokyo area.
-
C.
Kintetsu limited express EMUs
Kintetsu limited express EMUs are high-speed electric multiple unit trains operated by Kintetsu Railway in Japan, providing reserved-seat limited express services across its intercity network.
-
D.
70 series EMU
The 70 series EMU is a type of electric multiple unit train used for passenger services on Osaka Metro’s Nagahori Tsurumi-ryokuchi Line in Japan.
-
E.
E2 series Shinkansen
chosen
The E2 series Shinkansen is a Japanese high-speed electric multiple unit train type operated by JR East, known for serving routes such as the Tōhoku and Jōetsu Shinkansen lines.
- 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_69d7bdf5e7cc8190be357278bc5ba3bb |
completed | April 9, 2026, 2:55 p.m. |
| NER | Named-entity recognition | batch_69d97021df7481909cd42a0f72040aa5 |
completed | April 10, 2026, 9:48 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f69ba79918819093e047ce22191923 |
completed | May 3, 2026, 12:49 a.m. |
Created at: April 9, 2026, 5:36 p.m.