Triple
T15125592
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Keikyū Airport Line |
E361280
|
entity |
| Predicate | rollingStockUsed |
P5426
|
FINISHED |
| Object |
Keikyu 2100 series EMU
The Keikyu 2100 series EMU is a Japanese electric multiple unit train operated by Keikyu, known for its distinctive front design and use on limited express and commuter services in the Tokyo–Yokohama area.
|
E1143746
|
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: Keikyu 2100 series EMU | Statement: [Keikyū Airport Line, rollingStockUsed, Keikyu 2100 series EMU]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Keikyu 2100 series EMU Context triple: [Keikyū Airport Line, rollingStockUsed, Keikyu 2100 series EMU]
-
A.
Keikyu 1000 series EMU
The Keikyu 1000 series EMU is a Japanese electric multiple unit train type operated by Keikyu for commuter and airport access services in the Tokyo–Yokohama area.
-
B.
JR West 223 series EMU
The JR West 223 series EMU is a Japanese electric multiple unit train used for high-frequency suburban and rapid services in the Kansai region.
-
C.
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.
-
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.
JR West 225 series EMU
The JR West 225 series EMU is a modern Japanese electric multiple unit train designed for high-speed, high-frequency commuter and suburban services with enhanced safety and passenger comfort features.
- 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: Keikyu 2100 series EMU Triple: [Keikyū Airport Line, rollingStockUsed, Keikyu 2100 series EMU]
Generated description
The Keikyu 2100 series EMU is a Japanese electric multiple unit train operated by Keikyu, known for its distinctive front design and use on limited express and commuter services in the Tokyo–Yokohama area.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Keikyu 2100 series EMU Target entity description: The Keikyu 2100 series EMU is a Japanese electric multiple unit train operated by Keikyu, known for its distinctive front design and use on limited express and commuter services in the Tokyo–Yokohama area.
-
A.
Keikyu 1000 series EMU
The Keikyu 1000 series EMU is a Japanese electric multiple unit train type operated by Keikyu for commuter and airport access services in the Tokyo–Yokohama area.
-
B.
JR West 223 series EMU
The JR West 223 series EMU is a Japanese electric multiple unit train used for high-frequency suburban and rapid services in the Kansai region.
-
C.
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.
-
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.
JR West 225 series EMU
The JR West 225 series EMU is a modern Japanese electric multiple unit train designed for high-speed, high-frequency commuter and suburban services with enhanced safety and passenger comfort features.
- 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_69d85a06450081909c5a14ea9851a15e |
completed | April 10, 2026, 2:01 a.m. |
| NER | Named-entity recognition | batch_69e005a1b9288190954f2d92549805e5 |
completed | April 15, 2026, 9:39 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fed321d6108190a30b32f176e6d4dc |
completed | May 9, 2026, 6:24 a.m. |
| NEDg | Description generation | batch_69fed3f5e31081908958efacf486e3a6 |
completed | May 9, 2026, 6:28 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69fed51c1b0c81908bb195af7a8a7cef |
completed | May 9, 2026, 6:33 a.m. |
Created at: April 10, 2026, 3:06 a.m.