Triple
T11976659
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | 201 series EMU |
E285057
|
entity |
| Predicate | successor |
P78
|
FINISHED |
| Object |
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.
|
E960116
|
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: 205 series EMU | Statement: [201 series EMU, successor, 205 series EMU]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: 205 series EMU Context triple: [201 series EMU, successor, 205 series EMU]
-
A.
201 series EMU
The 201 series EMU is a Japanese electric multiple unit train type introduced by Japanese National Railways in the late 1970s and used extensively on urban commuter lines such as those in the Osaka and Tokyo areas.
-
B.
E259 series EMU
The E259 series EMU is a Japanese electric multiple unit train operated by JR East, primarily used for limited express airport services such as the Narita Express.
-
C.
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.
-
D.
JR West 201 series EMU
The JR West 201 series EMU is a Japanese electric multiple unit train type operated by West Japan Railway Company, primarily used for commuter services in the Kansai region.
-
E.
446 series EMU
The 446 series EMU is a type of electric multiple unit train used for commuter and regional 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: 205 series EMU Triple: [201 series EMU, successor, 205 series EMU]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: 205 series EMU Target entity description: 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.
-
A.
201 series EMU
The 201 series EMU is a Japanese electric multiple unit train type introduced by Japanese National Railways in the late 1970s and used extensively on urban commuter lines such as those in the Osaka and Tokyo areas.
-
B.
E259 series EMU
The E259 series EMU is a Japanese electric multiple unit train operated by JR East, primarily used for limited express airport services such as the Narita Express.
-
C.
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.
-
D.
JR West 201 series EMU
The JR West 201 series EMU is a Japanese electric multiple unit train type operated by West Japan Railway Company, primarily used for commuter services in the Kansai region.
-
E.
446 series EMU
The 446 series EMU is a type of electric multiple unit train used for commuter and regional 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_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_69f48a9628cc819095d15fd90023e57d |
completed | May 1, 2026, 11:12 a.m. |
| NEDg | Description generation | batch_69f48fc3baac8190af87b55164f00b26 |
completed | May 1, 2026, 11:34 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69f495ab52788190a886f7014267f8e2 |
completed | May 1, 2026, 11:59 a.m. |
Created at: April 8, 2026, 9:46 p.m.