Triple
T12837907
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | JR West 281 series |
E306966
|
entity |
| Predicate | family |
P566
|
FINISHED |
| Object |
JR West 283 series
The JR West 283 series is a tilting electric multiple unit train operated by West Japan Railway Company, primarily used for limited express services in western Japan.
|
E1019992
|
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: JR West 283 series | Statement: [JR West 281 series, family, JR West 283 series]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: JR West 283 series Context triple: [JR West 281 series, family, JR West 283 series]
-
A.
JR West 281 series
The JR West 281 series is a Japanese electric multiple unit train operated by West Japan Railway Company, best known for serving limited express airport services in the Kansai region.
-
B.
JR West 271 series
The JR West 271 series is a Japanese limited express electric multiple unit train operated by West Japan Railway Company, primarily used for airport and intercity services.
-
C.
JR West 323 series
The JR West 323 series is a modern electric multiple unit commuter train operated by West Japan Railway Company, primarily used on urban lines in the Osaka area.
-
D.
JR West 207 series
The JR West 207 series is a Japanese electric multiple unit commuter train operated by West Japan Railway Company on urban and suburban lines in the Kansai region.
-
E.
JR West 221 series
The JR West 221 series is a Japanese electric multiple unit train type operated by West Japan Railway Company for suburban and interurban passenger 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: JR West 283 series Triple: [JR West 281 series, family, JR West 283 series]
Generated description
The JR West 283 series is a tilting electric multiple unit train operated by West Japan Railway Company, primarily used for limited express services in western Japan.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: JR West 283 series Target entity description: The JR West 283 series is a tilting electric multiple unit train operated by West Japan Railway Company, primarily used for limited express services in western Japan.
-
A.
JR West 281 series
The JR West 281 series is a Japanese electric multiple unit train operated by West Japan Railway Company, best known for serving limited express airport services in the Kansai region.
-
B.
JR West 271 series
The JR West 271 series is a Japanese limited express electric multiple unit train operated by West Japan Railway Company, primarily used for airport and intercity services.
-
C.
JR West 323 series
The JR West 323 series is a modern electric multiple unit commuter train operated by West Japan Railway Company, primarily used on urban lines in the Osaka area.
-
D.
JR West 207 series
The JR West 207 series is a Japanese electric multiple unit commuter train operated by West Japan Railway Company on urban and suburban lines in the Kansai region.
-
E.
JR West 221 series
The JR West 221 series is a Japanese electric multiple unit train type operated by West Japan Railway Company for suburban and interurban passenger 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_69d7bdf52b94819096d6f0ba4ab50a98 |
completed | April 9, 2026, 2:55 p.m. |
| NER | Named-entity recognition | batch_69d96ff015f4819090070a01f3938acc |
completed | April 10, 2026, 9:47 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6d5ed774881909d2df630820e5f21 |
completed | May 3, 2026, 4:58 a.m. |
| NEDg | Description generation | batch_69f6da9ed7bc8190b1a451ea2ada811d |
completed | May 3, 2026, 5:18 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69f6db6950b08190a868c9371ff0a34e |
completed | May 3, 2026, 5:21 a.m. |
Created at: April 9, 2026, 5:35 p.m.