Triple

T16807485
Position Surface form Disambiguated ID Type / Status
Subject Fukuoka City Subway Kūkō Line E408515 entity
Predicate hasRollingStock P1305 FINISHED
Object Fukuoka City Subway 2000 series
The Fukuoka City Subway 2000 series is a Japanese electric multiple unit train type operated on Fukuoka’s subway network, designed for efficient urban commuter service.
 E1236947 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 2000 series | Statement: [Fukuoka City Subway Kūkō Line, hasRollingStock, Fukuoka City Subway 2000 series]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Fukuoka City Subway 2000 series
Context triple: [Fukuoka City Subway Kūkō Line, hasRollingStock, Fukuoka City Subway 2000 series]
  • A. 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.
  • B. 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.
  • C. 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.
  • D. Sendai Subway 2000 series
    The Sendai Subway 2000 series is a type of electric multiple unit train used on the Sendai Subway system in Sendai, Japan.
  • E. 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.
  • 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 2000 series
Triple: [Fukuoka City Subway Kūkō Line, hasRollingStock, Fukuoka City Subway 2000 series]
Generated description
The Fukuoka City Subway 2000 series is a Japanese electric multiple unit train type operated on Fukuoka’s subway network, designed for efficient urban commuter service.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Fukuoka City Subway 2000 series
Target entity description: The Fukuoka City Subway 2000 series is a Japanese electric multiple unit train type operated on Fukuoka’s subway network, designed for efficient urban commuter service.
  • A. 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.
  • B. 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.
  • C. 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.
  • D. Sendai Subway 2000 series
    The Sendai Subway 2000 series is a type of electric multiple unit train used on the Sendai Subway system in Sendai, Japan.
  • E. 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.
  • 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_6a00bb0dce448190b20ca3d60d9fc475 completed May 10, 2026, 5:06 p.m.
NEDg Description generation batch_6a00bc9d223081909e84e78bc09c2f4c completed May 10, 2026, 5:13 p.m.
NED2 Entity disambiguation (via description) batch_6a00bd529f54819089d9f229e1801bb1 completed May 10, 2026, 5:16 p.m.
Created at: April 10, 2026, 5:22 a.m.