Triple
T16807484
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Fukuoka City Subway Kūkō Line |
E408515
|
entity |
| Predicate | hasRollingStock |
P1305
|
FINISHED |
| Object |
Fukuoka City Subway 1000 series
The Fukuoka City Subway 1000 series is a fleet of electric multiple unit trains operated by the Fukuoka City Subway in Japan, primarily used for passenger services on its main lines.
|
E1234573
|
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: Fukuoka City Subway 1000 series | Statement: [Fukuoka City Subway Kūkō Line, hasRollingStock, Fukuoka City Subway 1000 series]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Fukuoka City Subway 1000 series Context triple: [Fukuoka City Subway Kūkō Line, hasRollingStock, Fukuoka City Subway 1000 series]
-
A.
Sendai Subway 1000 series
The Sendai Subway 1000 series is an electric multiple unit train type operated on the Sendai Subway Namboku Line in Sendai, Japan.
-
B.
Sendai Subway 3000 series
The Sendai Subway 3000 series is a type of electric multiple unit train used on the Sendai Subway system in Sendai, Japan.
-
C.
Osaka Municipal Subway 10 series
The Osaka Municipal Subway 10 series was a fleet of electric multiple unit trains that operated on Osaka’s subway network before being replaced by newer rolling stock.
-
D.
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.
-
E.
Tokyo Metro 13000 series
The Tokyo Metro 13000 series is a modern electric multiple unit train operated by Tokyo Metro, introduced to provide improved comfort, efficiency, and accessibility on urban subway 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: Fukuoka City Subway 1000 series Triple: [Fukuoka City Subway Kūkō Line, hasRollingStock, Fukuoka City Subway 1000 series]
Generated description
The Fukuoka City Subway 1000 series is a fleet of electric multiple unit trains operated by the Fukuoka City Subway in Japan, primarily used for passenger services on its main lines.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Fukuoka City Subway 1000 series Target entity description: The Fukuoka City Subway 1000 series is a fleet of electric multiple unit trains operated by the Fukuoka City Subway in Japan, primarily used for passenger services on its main lines.
-
A.
Sendai Subway 1000 series
The Sendai Subway 1000 series is an electric multiple unit train type operated on the Sendai Subway Namboku Line in Sendai, Japan.
-
B.
Sendai Subway 3000 series
The Sendai Subway 3000 series is a type of electric multiple unit train used on the Sendai Subway system in Sendai, Japan.
-
C.
Osaka Municipal Subway 10 series
The Osaka Municipal Subway 10 series was a fleet of electric multiple unit trains that operated on Osaka’s subway network before being replaced by newer rolling stock.
-
D.
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.
-
E.
Tokyo Metro 13000 series
The Tokyo Metro 13000 series is a modern electric multiple unit train operated by Tokyo Metro, introduced to provide improved comfort, efficiency, and accessibility on urban subway 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_69d88393905081908d00a86b99996ac8 |
completed | April 10, 2026, 4:58 a.m. |
| NER | Named-entity recognition | batch_69e3b2cde590819080dc474292b023ee |
completed | April 18, 2026, 4:35 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a00b28f125481909664363904f4c031 |
completed | May 10, 2026, 4:30 p.m. |
| NEDg | Description generation | batch_6a00b399786c8190acbd188ab55b1fa0 |
completed | May 10, 2026, 4:34 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a00b46ab0608190bc59abb99842e6d4 |
completed | May 10, 2026, 4:38 p.m. |
Created at: April 10, 2026, 5:22 a.m.