Triple
T21164777
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Shinano Railway Line |
E521529
|
entity |
| Predicate | usesRollingStockFrom |
P5426
|
FINISHED |
| Object |
Shinano Railway 115 series
The Shinano Railway 115 series is a type of Japanese electric multiple unit train operated by Shinano Railway for local passenger services.
|
E1469454
|
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: Shinano Railway 115 series | Statement: [Shinano Railway Line, usesRollingStockFrom, Shinano Railway 115 series]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Shinano Railway 115 series Context triple: [Shinano Railway Line, usesRollingStockFrom, Shinano Railway 115 series]
-
A.
Ohmi Railway 100 series
The Ohmi Railway 100 series is a type of Japanese electric multiple unit train operated by Ohmi Railway, primarily used for local passenger services on its regional lines in Shiga Prefecture.
-
B.
Nagoya 5000 series trains
The Nagoya 5000 series trains are Japanese-built electric multiple units originally used in Nagoya that were later exported and adapted for service on Buenos Aires’ Line D of the underground.
-
C.
Ohmi Railway 700 series
The Ohmi Railway 700 series is a type of Japanese electric multiple unit train operated by Ohmi Railway on its regional lines in Shiga Prefecture.
-
D.
JR East 205 series
The JR East 205 series is a Japanese electric multiple unit commuter train type introduced in the 1980s and widely used on various urban and suburban lines in the Tokyo area.
-
E.
Toei 6500 series EMU
The Toei 6500 series EMU is a modern Japanese electric multiple unit train operated by the Tokyo Metropolitan Bureau of Transportation, designed for through-services on Tokyo subway and interconnecting commuter lines.
- 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: Shinano Railway 115 series Triple: [Shinano Railway Line, usesRollingStockFrom, Shinano Railway 115 series]
Generated description
The Shinano Railway 115 series is a type of Japanese electric multiple unit train operated by Shinano Railway for local passenger services.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Shinano Railway 115 series Target entity description: The Shinano Railway 115 series is a type of Japanese electric multiple unit train operated by Shinano Railway for local passenger services.
-
A.
Ohmi Railway 100 series
The Ohmi Railway 100 series is a type of Japanese electric multiple unit train operated by Ohmi Railway, primarily used for local passenger services on its regional lines in Shiga Prefecture.
-
B.
Nagoya 5000 series trains
The Nagoya 5000 series trains are Japanese-built electric multiple units originally used in Nagoya that were later exported and adapted for service on Buenos Aires’ Line D of the underground.
-
C.
Ohmi Railway 700 series
The Ohmi Railway 700 series is a type of Japanese electric multiple unit train operated by Ohmi Railway on its regional lines in Shiga Prefecture.
-
D.
JR East 205 series
The JR East 205 series is a Japanese electric multiple unit commuter train type introduced in the 1980s and widely used on various urban and suburban lines in the Tokyo area.
-
E.
Toei 6500 series EMU
The Toei 6500 series EMU is a modern Japanese electric multiple unit train operated by the Tokyo Metropolitan Bureau of Transportation, designed for through-services on Tokyo subway and interconnecting commuter lines.
- 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_69e0b50e30748190b186824a206d39b9 |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e7270e15bc81908d609198e573040e |
completed | April 21, 2026, 7:28 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a096dd1dfe081908e3fdb675c4fca94 |
completed | May 17, 2026, 7:27 a.m. |
| NEDg | Description generation | batch_6a096e4d8a3c819087103e7c1090ee52 |
completed | May 17, 2026, 7:29 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a09724c35f881909d48c9dd212b3c12 |
completed | May 17, 2026, 7:46 a.m. |
Created at: April 16, 2026, 2:59 p.m.