Triple
T1081021
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | JR Shonan–Shinjuku Line |
E23944
|
entity |
| Predicate | primaryRollingStock |
P1305
|
FINISHED |
| Object |
E233 series EMU
The E233 series EMU is a modern Japanese commuter train type operated by JR East, known for its high capacity, reliability, and widespread use on busy urban and suburban lines around Tokyo.
|
E126032
|
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: E233 series EMU | Statement: [JR Shonan–Shinjuku Line, primaryRollingStock, E233 series EMU]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: E233 series EMU Context triple: [JR Shonan–Shinjuku Line, primaryRollingStock, E233 series EMU]
-
A.
E231 series EMU
The E231 series EMU is a widely used Japanese commuter train type operated by JR East, known for its high-capacity, rapid-transit service in the Greater Tokyo area.
-
B.
NS 88 series
The NS 88 series is a type of electric multiple-unit rolling stock used on the Santiago Metro system in Chile.
-
C.
Kinkisharyo light rail vehicles
Kinkisharyo light rail vehicles are modern electric multiple-unit trains manufactured by the Japanese company Kinki Sharyo, widely used in North American light rail systems for urban passenger transit.
-
D.
Sanyo Shinkansen
Sanyo Shinkansen is a high-speed railway line in Japan that connects Osaka with western Honshu cities such as Hiroshima and Fukuoka as part of the Shinkansen network.
-
E.
Class 397 Civity EMU
The Class 397 Civity EMU is a modern high-speed electric multiple unit built by CAF for intercity services in the UK, notably on routes linking north of England cities with Scotland.
- 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: E233 series EMU Triple: [JR Shonan–Shinjuku Line, primaryRollingStock, E233 series EMU]
Generated description
The E233 series EMU is a modern Japanese commuter train type operated by JR East, known for its high capacity, reliability, and widespread use on busy urban and suburban lines around Tokyo.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: E233 series EMU Target entity description: The E233 series EMU is a modern Japanese commuter train type operated by JR East, known for its high capacity, reliability, and widespread use on busy urban and suburban lines around Tokyo.
-
A.
E231 series EMU
The E231 series EMU is a widely used Japanese commuter train type operated by JR East, known for its high-capacity, rapid-transit service in the Greater Tokyo area.
-
B.
NS 88 series
The NS 88 series is a type of electric multiple-unit rolling stock used on the Santiago Metro system in Chile.
-
C.
Kinkisharyo light rail vehicles
Kinkisharyo light rail vehicles are modern electric multiple-unit trains manufactured by the Japanese company Kinki Sharyo, widely used in North American light rail systems for urban passenger transit.
-
D.
Sanyo Shinkansen
Sanyo Shinkansen is a high-speed railway line in Japan that connects Osaka with western Honshu cities such as Hiroshima and Fukuoka as part of the Shinkansen network.
-
E.
Class 397 Civity EMU
The Class 397 Civity EMU is a modern high-speed electric multiple unit built by CAF for intercity services in the UK, notably on routes linking north of England cities with Scotland.
- 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_69a493f1ddf48190a99d54b00e99f8ce |
completed | March 1, 2026, 7:30 p.m. |
| NER | Named-entity recognition | batch_69a4b946af788190b400644a2dec68c3 |
completed | March 1, 2026, 10:10 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ac4c243cbc81908d6101faad628fc8 |
completed | March 7, 2026, 4:02 p.m. |
| NEDg | Description generation | batch_69ac4cae760881909329701561ad2ba6 |
completed | March 7, 2026, 4:05 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ac4d7176808190b74d535d7e1b7c6a |
completed | March 7, 2026, 4:08 p.m. |
Created at: March 1, 2026, 7:42 p.m.