Triple
T2868532
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tokaido Shinkansen |
E63499
|
entity |
| Predicate | formerRollingStockSeries |
P29565
|
FINISHED |
| Object |
300 series Shinkansen
The 300 series Shinkansen was a high-speed Japanese bullet train type introduced in the early 1990s, known for inaugurating the standard 270 km/h operating speed on major Shinkansen lines.
|
E314058
|
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: 300 series Shinkansen | Statement: [Tokaido Shinkansen, formerRollingStockSeries, 300 series Shinkansen]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: 300 series Shinkansen Context triple: [Tokaido Shinkansen, formerRollingStockSeries, 300 series Shinkansen]
-
A.
100 series Shinkansen
The 100 series Shinkansen was a Japanese high-speed train type introduced in the 1980s, known for its distinctive double-deck cars and service on major bullet train lines.
-
B.
N700A series
The N700A series is an advanced Japanese Shinkansen high-speed train known for its improved acceleration, energy efficiency, and ride comfort on major bullet train lines.
-
C.
N700S series
The N700S series is a latest-generation Japanese Shinkansen high-speed train known for its improved safety, energy efficiency, and passenger comfort.
-
D.
E233 series EMU
The E233 series EMU is a modern Japanese commuter train type operated by JR East, known for its high capacity, reliability, and widespread use on busy urban and suburban lines around Tokyo.
-
E.
E235 series EMU
The E235 series EMU is a modern Japanese commuter train operated by JR East, notable for its advanced onboard information systems, energy-efficient design, and use on busy urban lines in the Tokyo area.
- 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: 300 series Shinkansen Triple: [Tokaido Shinkansen, formerRollingStockSeries, 300 series Shinkansen]
Generated description
The 300 series Shinkansen was a high-speed Japanese bullet train type introduced in the early 1990s, known for inaugurating the standard 270 km/h operating speed on major Shinkansen lines.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: 300 series Shinkansen Target entity description: The 300 series Shinkansen was a high-speed Japanese bullet train type introduced in the early 1990s, known for inaugurating the standard 270 km/h operating speed on major Shinkansen lines.
-
A.
100 series Shinkansen
The 100 series Shinkansen was a Japanese high-speed train type introduced in the 1980s, known for its distinctive double-deck cars and service on major bullet train lines.
-
B.
N700A series
The N700A series is an advanced Japanese Shinkansen high-speed train known for its improved acceleration, energy efficiency, and ride comfort on major bullet train lines.
-
C.
N700S series
The N700S series is a latest-generation Japanese Shinkansen high-speed train known for its improved safety, energy efficiency, and passenger comfort.
-
D.
E233 series EMU
The E233 series EMU is a modern Japanese commuter train type operated by JR East, known for its high capacity, reliability, and widespread use on busy urban and suburban lines around Tokyo.
-
E.
E235 series EMU
The E235 series EMU is a modern Japanese commuter train operated by JR East, notable for its advanced onboard information systems, energy-efficient design, and use on busy urban lines in the Tokyo area.
- 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_69ab4c42fb8c8190b36e161d47c03b81 |
completed | March 6, 2026, 9:50 p.m. |
| NER | Named-entity recognition | batch_69abe08c85c48190bd8c0f6680fca0c8 |
completed | March 7, 2026, 8:23 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b0fc5101208190acb6e0e9af880a46 |
completed | March 11, 2026, 5:23 a.m. |
| NEDg | Description generation | batch_69b0fcd5a03881908ad2fc97624c3bbc |
completed | March 11, 2026, 5:25 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69b0fd3333288190a47f26a3941b9fe4 |
completed | March 11, 2026, 5:27 a.m. |
Created at: March 6, 2026, 10:02 p.m.