Triple
T15855662
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Seibu Shinjuku Line |
E384447
|
entity |
| Predicate | rollingStock |
P1305
|
FINISHED |
| Object |
Seibu 30000 series EMU
The Seibu 30000 series EMU is a modern Japanese commuter train operated by Seibu Railway, known for its distinctive rounded design and improved passenger comfort features.
|
E1182203
|
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: Seibu 30000 series EMU | Statement: [Seibu Shinjuku Line, rollingStock, Seibu 30000 series EMU]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Seibu 30000 series EMU Context triple: [Seibu Shinjuku Line, rollingStock, Seibu 30000 series EMU]
-
A.
Seibu 2000 series EMU
The Seibu 2000 series EMU is a Japanese electric multiple unit train type operated by Seibu Railway, primarily used for commuter services in the Tokyo area.
-
B.
Tokyu 3000 series EMU
The Tokyu 3000 series EMU is a Japanese electric multiple unit train type operated by Tokyu Corporation, primarily used for commuter services on urban railway lines in the Tokyo area.
-
C.
Seibu 40000 series
The Seibu 40000 series is a modern Japanese electric multiple unit train operated by Seibu Railway, designed for commuter services with features such as long-distance comfort seating and improved passenger amenities.
-
D.
Keio 1000 series EMU
The Keio 1000 series EMU is a Japanese electric multiple unit train operated by Keio Corporation, known for serving Tokyo’s Inokashira Line with modern, colorful commuter rolling stock.
-
E.
Seibu 6000 series
The Seibu 6000 series is a Japanese electric multiple unit train type operated by Seibu Railway, commonly used for through-services on Tokyo subway 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: Seibu 30000 series EMU Triple: [Seibu Shinjuku Line, rollingStock, Seibu 30000 series EMU]
Generated description
The Seibu 30000 series EMU is a modern Japanese commuter train operated by Seibu Railway, known for its distinctive rounded design and improved passenger comfort features.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Seibu 30000 series EMU Target entity description: The Seibu 30000 series EMU is a modern Japanese commuter train operated by Seibu Railway, known for its distinctive rounded design and improved passenger comfort features.
-
A.
Seibu 2000 series EMU
The Seibu 2000 series EMU is a Japanese electric multiple unit train type operated by Seibu Railway, primarily used for commuter services in the Tokyo area.
-
B.
Tokyu 3000 series EMU
The Tokyu 3000 series EMU is a Japanese electric multiple unit train type operated by Tokyu Corporation, primarily used for commuter services on urban railway lines in the Tokyo area.
-
C.
Seibu 40000 series
The Seibu 40000 series is a modern Japanese electric multiple unit train operated by Seibu Railway, designed for commuter services with features such as long-distance comfort seating and improved passenger amenities.
-
D.
Keio 1000 series EMU
The Keio 1000 series EMU is a Japanese electric multiple unit train operated by Keio Corporation, known for serving Tokyo’s Inokashira Line with modern, colorful commuter rolling stock.
-
E.
Seibu 6000 series
The Seibu 6000 series is a Japanese electric multiple unit train type operated by Seibu Railway, commonly used for through-services on Tokyo subway 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_69d86da422088190aac39e32e6c68429 |
completed | April 10, 2026, 3:25 a.m. |
| NER | Named-entity recognition | batch_69e14cb08bd081908af2120eb2925441 |
completed | April 16, 2026, 8:55 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ffb03c8cb081908c18c7b2d143c4b4 |
completed | May 9, 2026, 10:07 p.m. |
| NEDg | Description generation | batch_69ffb0918cf88190ac04f328f295eec7 |
completed | May 9, 2026, 10:09 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ffb0f30a6c81908b12a16825eb4c3c |
completed | May 9, 2026, 10:10 p.m. |
Created at: April 10, 2026, 4:50 a.m.