Triple
T11976661
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | 201 series EMU |
E285057
|
entity |
| Predicate | successor |
P78
|
FINISHED |
| Object |
321 series EMU
The 321 series EMU is a Japanese electric multiple unit train type operated by JR West for commuter services in the Kansai region.
|
E966314
|
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: 321 series EMU | Statement: [201 series EMU, successor, 321 series EMU]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: 321 series EMU Context triple: [201 series EMU, successor, 321 series EMU]
-
A.
323 series EMU
The 323 series EMU is a modern Japanese electric multiple unit train operated by JR West, introduced to provide improved comfort, efficiency, and accessibility on urban commuter services.
-
B.
287 series EMU
The 287 series EMU is a Japanese electric multiple unit train operated by JR West, primarily used for limited express services in the Kansai region.
-
C.
289 series EMU
The 289 series EMU is a Japanese electric multiple unit train type operated by JR West, primarily used for limited express services in the Kansai region.
-
D.
30000-series EMU
The 30000-series EMU is a modern electric multiple unit train used on Osaka Metro, featuring improved energy efficiency, passenger comfort, and accessibility compared to earlier rolling stock.
-
E.
21-series EMU
The 21-series EMU is a type of electric multiple unit train used for urban rapid transit services on Japan’s Osaka Metro network.
- 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: 321 series EMU Triple: [201 series EMU, successor, 321 series EMU]
Generated description
The 321 series EMU is a Japanese electric multiple unit train type operated by JR West for commuter services in the Kansai region.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: 321 series EMU Target entity description: The 321 series EMU is a Japanese electric multiple unit train type operated by JR West for commuter services in the Kansai region.
-
A.
323 series EMU
The 323 series EMU is a modern Japanese electric multiple unit train operated by JR West, introduced to provide improved comfort, efficiency, and accessibility on urban commuter services.
-
B.
287 series EMU
The 287 series EMU is a Japanese electric multiple unit train operated by JR West, primarily used for limited express services in the Kansai region.
-
C.
289 series EMU
The 289 series EMU is a Japanese electric multiple unit train type operated by JR West, primarily used for limited express services in the Kansai region.
-
D.
30000-series EMU
The 30000-series EMU is a modern electric multiple unit train used on Osaka Metro, featuring improved energy efficiency, passenger comfort, and accessibility compared to earlier rolling stock.
-
E.
21-series EMU
The 21-series EMU is a type of electric multiple unit train used for urban rapid transit services on Japan’s Osaka Metro network.
- 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_69d6ab2eaeb881909f7914758f859413 |
completed | April 8, 2026, 7:23 p.m. |
| NER | Named-entity recognition | batch_69d903926690819090e7ce982f103457 |
completed | April 10, 2026, 2:05 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f5f63e99d88190b718217005464954 |
completed | May 2, 2026, 1:03 p.m. |
| NEDg | Description generation | batch_69f6017f89d88190b766af7828794d87 |
completed | May 2, 2026, 1:51 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69f60232d89881909f254da6deb7f321 |
completed | May 2, 2026, 1:54 p.m. |
Created at: April 8, 2026, 9:46 p.m.