Triple
T22566717
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ainokaze Toyama Railway Line |
E557969
|
entity |
| Predicate | usesRollingStock |
P5426
|
FINISHED |
| Object |
521 series EMU
The 521 series EMU is a Japanese electric multiple unit train type operated by several regional railways in the Hokuriku area, designed for efficient suburban and interurban passenger services.
|
E1543575
|
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: 521 series EMU | Statement: [Ainokaze Toyama Railway Line, usesRollingStock, 521 series EMU]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: 521 series EMU Context triple: [Ainokaze Toyama Railway Line, usesRollingStock, 521 series EMU]
-
A.
221 series EMU
The 221 series EMU is a Japanese suburban electric multiple unit train operated by JR West, known for its use on commuter and rapid services in the Kansai region.
-
B.
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.
-
C.
207 series EMU
The 207 series EMU is a Japanese electric multiple unit commuter train type operated primarily in the Kansai region by JR West.
-
D.
205 series EMU
The 205 series EMU is a Japanese commuter electric multiple unit train type introduced by Japanese National Railways and widely used on busy urban and suburban lines, particularly around the Tokyo area.
-
E.
447 series EMU
The 447 series EMU is a class of Spanish electric multiple-unit commuter trains widely used by Renfe for suburban rail services.
- 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: 521 series EMU Triple: [Ainokaze Toyama Railway Line, usesRollingStock, 521 series EMU]
Generated description
The 521 series EMU is a Japanese electric multiple unit train type operated by several regional railways in the Hokuriku area, designed for efficient suburban and interurban passenger services.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: 521 series EMU Target entity description: The 521 series EMU is a Japanese electric multiple unit train type operated by several regional railways in the Hokuriku area, designed for efficient suburban and interurban passenger services.
-
A.
221 series EMU
The 221 series EMU is a Japanese suburban electric multiple unit train operated by JR West, known for its use on commuter and rapid services in the Kansai region.
-
B.
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.
-
C.
207 series EMU
The 207 series EMU is a Japanese electric multiple unit commuter train type operated primarily in the Kansai region by JR West.
-
D.
205 series EMU
The 205 series EMU is a Japanese commuter electric multiple unit train type introduced by Japanese National Railways and widely used on busy urban and suburban lines, particularly around the Tokyo area.
-
E.
447 series EMU
The 447 series EMU is a class of Spanish electric multiple-unit commuter trains widely used by Renfe for suburban rail services.
- 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_69e11e5ae4ac8190b1f503457603d969 |
completed | April 16, 2026, 5:37 p.m. |
| NER | Named-entity recognition | batch_69f15faaa0b081908d5aa8f3ba1e3dd3 |
completed | April 29, 2026, 1:32 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0b2d7325dc8190b207d175b8e80d42 |
completed | May 18, 2026, 3:17 p.m. |
| NEDg | Description generation | batch_6a0b364801cc81908204a937c1099728 |
completed | May 18, 2026, 3:54 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0b37a1ecc08190ac89e862582833a0 |
completed | May 18, 2026, 4 p.m. |
Created at: April 16, 2026, 8:52 p.m.