Triple
T12218300
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | JR West 207 series |
E291143
|
entity |
| Predicate | manufacturer |
P490
|
FINISHED |
| Object |
JR West (own factories)
JR West (own factories) refers to the in-house manufacturing facilities of West Japan Railway Company used to design, build, and maintain its own rolling stock.
|
E970615
|
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 (own factories) | Statement: [JR West 207 series, manufacturer, JR West (own factories)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: JR West (own factories) Context triple: [JR West 207 series, manufacturer, JR West (own factories)]
-
A.
Yamada Denki
Yamada Denki is one of Japan’s largest consumer electronics retail chains, operating big-box stores nationwide that sell home appliances, computers, and digital devices.
-
B.
Kawada Industries
Kawada Industries is a Japanese engineering and construction company known for its work on major infrastructure projects, including prominent bridges and civil works.
-
C.
Komatsu Limited
Komatsu Limited is a major Japanese multinational corporation that manufactures construction, mining, and military equipment.
-
D.
JR East Niitsu Rolling Stock Plant
JR East Niitsu Rolling Stock Plant is a major railway rolling stock manufacturing and maintenance facility operated by East Japan Railway Company in Niigata Prefecture, Japan.
-
E.
Yoshimoto Kogyo
Yoshimoto Kogyo is a major Japanese entertainment conglomerate best known for managing comedians and producing comedy shows, theater, television, and other media.
- 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 (own factories) Triple: [JR West 207 series, manufacturer, JR West (own factories)]
Generated description
JR West (own factories) refers to the in-house manufacturing facilities of West Japan Railway Company used to design, build, and maintain its own rolling stock.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: JR West (own factories) Target entity description: JR West (own factories) refers to the in-house manufacturing facilities of West Japan Railway Company used to design, build, and maintain its own rolling stock.
-
A.
Yamada Denki
Yamada Denki is one of Japan’s largest consumer electronics retail chains, operating big-box stores nationwide that sell home appliances, computers, and digital devices.
-
B.
Kawada Industries
Kawada Industries is a Japanese engineering and construction company known for its work on major infrastructure projects, including prominent bridges and civil works.
-
C.
Komatsu Limited
Komatsu Limited is a major Japanese multinational corporation that manufactures construction, mining, and military equipment.
-
D.
JR East Niitsu Rolling Stock Plant
JR East Niitsu Rolling Stock Plant is a major railway rolling stock manufacturing and maintenance facility operated by East Japan Railway Company in Niigata Prefecture, Japan.
-
E.
Yoshimoto Kogyo
Yoshimoto Kogyo is a major Japanese entertainment conglomerate best known for managing comedians and producing comedy shows, theater, television, and other media.
- 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_69d6ab65923081909acfc61b7a612233 |
completed | April 8, 2026, 7:24 p.m. |
| NER | Named-entity recognition | batch_69d91c951f5881908db6edfda1153d6f |
completed | April 10, 2026, 3:51 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f60aa31f548190bd4f8cfe3c55614b |
completed | May 2, 2026, 2:30 p.m. |
| NEDg | Description generation | batch_69f60dbe4f788190a3b4be4b31cfbffa |
completed | May 2, 2026, 2:44 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69f60ee037bc8190be486e30e03031a7 |
completed | May 2, 2026, 2:49 p.m. |
Created at: April 8, 2026, 9:51 p.m.